23 S3L (min. They can be welded to a flat surface, or in the fillet, or on the heel of an angle. 4008 COMPLEtE STUD WELDING Products • Service • Knowledge • Integrity HCA - Headed Concrete Anchor - Standard Sizes Specifications. 3. H4L - Concrete Anchor is a type of headed stud that can be welded to steel structures and embedded in concrete. It is made of low carbon steel, ASTM A29, 1010-1020. Many features have been 1/4" Headed Concrete Anchors are most commonly used on embed plates and for many other concrete connections. Atlantic Bolt stocks common sizes of F1554 anchor bolts and custom makes both bent and straight anchor bolts to order. These general purpose concrete anchors are used in all types of concrete connections. Home > Products > Weld Studs > CA06-034-11. Headed Concrete Anchor Stud Advantages Headed weld studs are engineered and manufactured to support a range of industrial and commercial concrete to metal applications. Add to Cart. Reduces the amount of reinforcement needed. In the space. com: 600 Front Street, Whitehall, PA 18052 Phone: 610-264-7587 • Fax: 610-264-8127: 110 Penn Am Drive, Quakertown, PA 18951Deformed Bar Anchors are designed for weld and bearing plates in concrete connections. Length is approximately 1/8″ shorter after welding. Stud anchors are often shipped loose with the frames or they can be welded into the jambs. We sell Weld Studs, Shear Connectors and Headed Concrete Studs by the piece or by the pallet. Nelson Grounding studs are used to make electrical contact in automotive and industrial applications. grind and finish anchor openings in double piles to a smooth condition. Fastenal is the largest fastener distributor in North America. The fastener is commonly. These general purpose concrete anchors are used in all types of concrete connections. The CA06-018-11 is 3/8″ in diameter by 1-1/8″ in length before welding. 904. Home / Weld Studs and Ferrules / Concrete Anchor Studs / Deformed Bar Anchors (D2L) Deformed Bar Anchors (D2L) Categories: Concrete Anchor Studs, Weld Studs and Ferrules Tag: arc stud. 2c(1)(2) requires ½-in. Download Nelson Stud Technical Brochure 2018. 1/2" Headed Concrete Anchors. 1 Although concepts related to headed-Welding Studs in this selection are unthreaded and each stud comes with a matching ferrule for installations on flat surfaces. Steel Stud Anchors (SSA) These are used on frames mounted to steel stud walls. In stock and ready to ship. Add to Cart. Embed Plates are the best way to attach concrete to steel. Home > Products > Weld Studs > CA10-059-11. If purchasing multiple boxes, call for an LTL shipping quote 800-426-5667. 6 Ultimate Tensile (psi), Rm 65,000 61,000 80,000 70,000 Yield, 0. weld shear studs in accordance with aashto/aws d1. They can be welded to a flat surface or to the inside or outside of an angle. com 7900 West Ridge Road 1-800-635-9353 Elyria, Ohio 44035. If the stud anchor is. Weld Studs are installed using a drawn arc stud welding gun to. It is made of low carbon steel, ASTM A29, 1010-1020. Weld studs are placed in contact with a beam or other metal work plate, and welded into place using a Stud Gun. It is designed for high-strength and fatigue-resistant applications. These stud. Length is approximately 1/8″ shorter after welding. In fact, formal de-sign concepts for headed-stud anchors have existed in the Precast/Prestressed Concrete Institute’s (PCI) PCI Design Handbook since the early 1970s. We also strive to deliver better service and unmatched expertise. They have a head, so poured concrete embeds them solidly. In stock and ready to ship. They are suitable for either concrete, block, or brick materials as the base. These general purpose concrete anchors are used in all types of concrete connections. These general purpose concrete anchors are used in all types of concrete connections. Our weld studs are also referred to as headed concrete anchor. 26. Embed Studs are used when bolting to solid concrete with no pass-through access. Home > Products > Weld Studs > CA10-099-11. Ductile concrete connections. They primarily used to anchor concrete to a steel beam. Source: Nelson Stud Welding, Inc. Unlike a weld stud, deformed bar anchors do not have a head and the bodies of the anchors are dimpled, similar to rebar. (Deformed Bar Anchors) to cater to your project needs. These general purpose concrete anchors are used in all types of concrete connections. These general purpose concrete anchors are used in all types of concrete connections. 37d to develop the stud weld. Types of Stud Welding Three major types of stud welding are equally as effective. Length is approximately 1/8″ shorter after welding. Stud welding products are suitable for the fastening needs of virtually every industry and our products include externally threaded fasteners, shear connectors, concrete anchors, punching resistor studs, and the equipment used to apply, assemble and weld these items. 1 structural welding. Choose from our selection of Anchor studs, including steel stud anchors, weld-on stud anchors, and more. Concrete Anchors range in sizes from 50 pieces per carton to 1000 pieces per carton, while Shear Connectors range in sizes from 1 piece per carton to 200 pieces per carton. Our stud welding experts can see if we have it or find it for you. Choose from our selection of concrete Anchor bolts, including steel stud anchors, heavy duty hex head tapping screws, and more. When ordering, specify Type, Diameter, Length, Material, Quantity, and Part Number. After welding, concrete anchors will be approximately 1/8″ shorter for 1/2″ studs, or 3/16″ shorter for 5/8 studs. WELD STUD 1/2" X 4-1/8" Details;Your one shop stop for stud welding. Fastenal is the largest fastener distributor in North America. Strut-and-Tie model is used to anlyze the shear transfer and to design the required tie reinft. Each of these applications requires the proper style stud and ferrule, so please specify your application when ordering. Specs Mechanical Properties Add'l Sizes Length: Length is before weld. Length is approximately 3/16″ shorter after welding. They can be welded to a flat surface or to the inside or outside of an angle. Straight F1554 anchor bolts with nut and washer tack welded. CA08-034-11: Type CA 1/2 x 2-1/8 Headed Concrete Anchor Weld Stud. Headed Studs. Length is approximately 1/8″ shorter after welding. They can be welded to a flat surface, or to the inside or outside of an angle. They have a head, so poured concrete embeds them solidly. Each Stud comes with a Ferrule ceramic cap to reduce spatter and give the weld a finished look. Shear walls. Weld studs, including concrete anchors and shear connectors, are manufactured by Tru-Weld Stud Welding in The United States. WELD STUD 1/2" X 6-1/8" Details; Item Information; Back Our weld studs are also referred to as headed concrete anchor. 5/8” concrete anchors will be 3/16” shorter after weld (burn‐off). Install them using conventional welding or specialized stud welders; a ferrule is included for use with stud. “kicking back,” which breaks out a crater of concrete behind the stud, as illustrated in Fig. Headed and Threaded Weld Studs. Concrete masonry unitNelson Stud Welding, Inc. All orders placed for weld studs included ferrules. 5/. They can be welded to a flat surface or to the inside or outside of an angle. More corrosion resistant than 18-8 stainless steel anchors, these 316 stainless steel anchors have excellent resistance to chemicals and salt water. Concrete Anchors with the diameter of 1/2” or below will be approximately 1/8” shorter after weld. Weld Studs. Stud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. NCHORAGE TO . The following provides estimated shipping weight by box and pallet for various weld stud diameters. ultimate. Ultimate-performance W6 threaded stud for use with the BX 3 cordless nailer. They have a head, so poured concrete embeds them solidly. 5/8″ will be approximately 3/16″ shorter after wedling. In place of the commonly used sticky backs, South Coast Controls uses stud welded anchors where applicable to hold wiring in place. Return to Weld StudsHeaded Concrete Anchors 3/8" Diameters 3/8" Headed Concrete Anchors are most commonly used on embed plates and for many other concrete connections. The CA08-162-12 is 1/2″ in diameter by 10-1/8″ in length before welding. 2% offset (psi), Re 51,000 49,000 70,000 35,000 % Elongation, A5, in 2” gage length 20 17 N/A 405/8" Diameter Headed Concrete Anchor. D2L Deformed Bar Anchors. The anchors are attached to steel via a drawn arc welding method. Weld Stud Concrete Anchor is available at Abrafast. The CA04-066-11 is 1/4″ in diameter by 4-1/8″ in length before welding. Stud Size. More About Weld Studs. 5. Headed Concrete Anchors. Wiewel, Harry, “Report of Tests Conducted on Nelson D2L Deformed Bar Anchors Installed in Stone Aggregate Concrete,” Nelson Stud Welding, Inc. - or ½-in. H4L Headed Concrete Anchors (HCA) H8L Axle Spring Retainer Studs. Concrete Anchoring. We have specialist weld studs for the short cycle stud welding process, coming. Insert stud anchor, clipped end first, into the predrilled hole in the concrete. These general purpose concrete anchors are used in all types of concrete connections. Minimum 390mm concrete edge distance for M22 stud 6. Weld Stud 3/4″ Shear Connector. They can be welded to a flat surface, Inside an angle , or on the heel of an angle using a stud welding system. com today!"Your Factory Source for Ohio Weld Fasteners" Employee Owned Since 1980. Length is approximately 3/16″ shorter after welding. Sales@NelsonStud. Cleveland, OH 44142 (800) 437-1689 Products. Contact us for a quote. Weld-On Stud Anchors for Wet Concrete. The steel plate with welded-on anchors is anchored in concrete by mechanical interlock between the anchor and the concrete member. Home > Products > Weld Studs > CA10-099-12. 2 Capacitor Discharge Studs 11 4. Minimum 280mm concrete edge distance for M16 stud 4. Each Stud comes with a Ferrule ceramic cap to reduce spatter and give the weld a finished look. These general purpose concrete anchors are used in all types of concrete connections. 628 inches (16 mm). 1/4" Headed Concrete Anchors. These general purpose concrete anchors are used in all types of concrete connections. These general purpose concrete anchors are used in all types of concrete connections. They can be welded to a flat surface or to the inside or outside of an angle. Headed Anchor Studs are used in all types of concrete connections. Supplier: American Floor Products Co. Home > Products > Weld Studs > CA04-066-11. They can be welded to a flat surface or to the inside or outside of an angle. They can be welded to a flat surface or to the inside or outside of an angle. All 1/2" Weld Studs in this selection have a Head Diameter of approx. They’re also known as Nelson studs. Get a Quote. Since 1959 Tru-Weld has been an industry leader of weld stud sales and manufacturing. PH 1-800-NEL-WELD E-mail: Nelson. Unless stated otherwise, all threaded studs are reduced base (Type RD). C1015 Stainless 302/304 Body Diameter. Weld them to the framing to help it. Replacement Single Shot Nose Piece DFD270. High-Temperature AnchoringAdhesives for Concrete. a plate or similar steel attachment by the stud arc welding process before casting; also referred to as a welded headed stud. (HCA) Nelson headed concrete anchors deliver code specified embedded tension and shear strength values between steel and concrete. Length is approximately 1/8″ shorter after welding. They can be welded to a flat surface or to the inside or outside of an angle. 51 Anchorage to Concrete: Cast-In Anchors 1 . They have a head, so poured concrete embeds them solidly. We are a knowledgeable and service oriented organization specializing in stud welded fasteners, stud welding equipment, and accessories. Home > Products > Weld Studs > CA08-050-11. Stud Anchor Installation. Choose from our selection of masonry anchors, including light duty anchors, stud anchors, and more. Considerations for Stud Selection 7 4. The Headed Anchor Arc Weld Stud, or headed concrete anchor, is a plain shank stud with an oversized "head" for application with arc stud welding equipment. Skip to content. CA10-147-11: Type CA 5/8 x 9-3/16 Headed Concrete Anchor Weld Stud. Use 3/4" x 5" bolts, washers and expansion shields on existing concrete docks. These general purpose concrete anchors are used in all types of concrete connections. Length of stud is before weld. Choose from our selection of concrete. These general purpose concrete anchors are used in all types of concrete connections. 1/4" Headed Concrete Anchors are most commonly used on embed plates and for many other concrete connections. Stud diameters (D) 1/2 inch and below will be approximately 1/8 inch shorter after welding. Length is before weld. It is designed for high-strength and fatigue-resistant applications. Length is approximately 1/8″ shorter after welding. Drawn Arc and Short-Cycle Welding Studs Drawn Arc Threaded and Unthreaded Studs are recommended for fastening applications where threads are needed for the full fastener. The CA06-050-11 is 3/8″ in diameter by 3-1/8″ in length before welding. Bridges. 2. They can be welded to a flat surface or to the inside or outside of an angle. The CA08-066-11 is 1/2″ in diameter by 4-1/8″ in length before welding. MASON Chemical Injection Anchors; MASON Mechanical Expansion Anchors; Tecfi Fixing System; MASON Insulation Anchors & Accessories; Pre-Cast Anchors. These stud anchors strengthen the parts of buildings where steel framing connects to concrete. , Reference 1. These general purpose concrete anchors are used in all types of concrete connections. Headed Concrete Anchor PDF print: TSA approved print of headed concrete anchors. Headed Concrete Anchors (HCA) are intended to be welded to flat surfaces or the inside or outside of angles. Headed Shear Connectors, also known as Headed Weld Studs, are used in all types of concrete connections. Shear connector studs and headed anchor studs are used in construction to attach two different materials, typically concrete and steel. The CA08-066-11 is 1/2″ in diameter by 4-1/8″ in length before welding. Headed anchors are typically used in concrete embedment [email protected](1)(2) requires ½-in. 75 was. The. They can be welded to a flat surface, or to the inside or outside of an angle. For cast-in headed studs that are continuously welded to steel attachments having a minimum thickness of > 3/8" and db/2 provided that: (a) spacing > 2. Weld threaded studs and pins to steel and stainless steel without damaging the opposite side of the material. These general purpose concrete anchors are used in all types of concrete connections. Length is approximately 1/8″ shorter after welding. D2L Deformed Bar Anchors. Concrete embed anchors are one type of concrete embed often used to connect structural steel, and other design elements such as awnings to a concrete structure or structural component. This process uses heat from resistance to an electrical current. 6. The headed stud was viewed to be an efficient and ef-fective shear transfer device, replacingHeaded Anchor Studs (HCA) are used in all types of concrete connections. The studs have a small bead of “flux” on the end to facilitate good weld contact when using the. , Reference 1. H4L - Concrete Anchor is a type of headed stud that can be welded to steel structures and embedded in concrete. 22 lbs. They can be welded to a flat surface or to the inside or outside of an angle. Description: -set anchor bolts and washer on new concrete. Headed Anchor Studs are used in all types of concrete connections. They are secured in place prior to the concrete slab being [email protected]. The Steel Supply Company offers Red Head A7+ epoxy for embed and anchoring projects. Stud diameters 1/2” and under will be approximately 1/8” shorter after weld and stud diameters of 5/8” will be approximately 3/16” shorter after weld. Length is before weld. They can be welded to a flat surface or to the inside or outside of an angle. AISI C1010 through C1020. Home > Products > Weld Studs > CA10-051-11. Concrete Fasteners - It's. Then the finished floor is poured on a different day. Arc stud welding is generally used to weld larger diameter studs to thick base metals. We offer Stud Welding Equipment Sales, Stud Welder Rentals, CD Weld Studs, Drawn Arc Weld Studs, Stud Welding Accessories, and in-house or jobsite installation. Nelson Stud Welding, Inc. 98 / each. Download the spec sheet. Length is approximately 1/8″ shorter after welding. StudWeldingStore. Design Chapter 17, “Anchoring to Concrete,” in ACI 318-141 provides design requirements for anchors in concrete used to transmit structural loads by tension, shear, or a combination thereof. CFP Small Diameter Threaded Studs. BROWSE CATALOG Weld Studs. The CA08-085-12 is 1/2″ in diameter by 5-5/16″ in length before welding. These general purpose concrete anchors, AKA HCA's, are used in all types of concrete connections. Home > Products > Weld Studs > CA06-034-12. A continuous bulb tee embedded solidly in a grouted bond beam pro-vides a welded connection between a masonry bearing wall and a steel roof joist. 60 USD. Stud welding products are suitable for the fastening needs of virtually every industry and our products include externally threaded fasteners, shear connectors, concrete anchors, punching resistor studs, and the equipment used to apply, assemble and weld these items. These general purpose concrete anchors are used in all types of concrete connections. They can be welded to a flat surface or to the inside or outside of an angle. Free shipping over $99 across Canada* Online. Our consultation services, rentals, equipment, fasteners, and training are just a phone call away. They can be welded to a flat surface, or in the fillet, or on the heel of an angle. 5/. 1-800-523-5092. Available in 302, 304, and 316 stainless steel. 1 Arc Stud Welding 7 4. On the left is a headed stud that we can say is governed by concrete tension breakout. metal deck, 3 in. MATERIAL: Low carbon steel, ASTM A29/A108, 1010-1020. 1/2" Headed Concrete Anchors are most commonly used on embed plates and for composite applications at bent plate/pour stop to anchor the building's edge to the [email protected] we're dedicated to providing you with professional customer service. diameter: 1/2 in. , Inc. These general purpose concrete anchors are used in all types of concrete connections. 3 Stud Tensile and Torque Strengths 12 5. Stud welding gun. Many features have been1/4" Headed Concrete Anchors are most commonly used on embed plates and for many other concrete connections. 1 for tubular (api or astm a53) material. 1-3/8. The fastener is commonly used for anchoring steel plates and shapes into concrete structures. 5/8″ will be approximately 3/16″ shorter after wedling. Size. FASTENERS weld gun is activated, a special preci-sion weld tip initiates a controlled electric arc from the welder capacitor bank which melts the end of the stud and a portion of the base metal. F875. PH 1-800-NEL-WELD E-mail: Nelson. Steel Stud Anchors for Concrete. Each Stud comes with a Ferrule ceramic cap to reduce spatter and give the weld a finished look. Weldable Coupler - Threaded. Headed Concrete Anchors. Welding Studs are used in a variety of concrete projects, including the creation of embed plates which attach concrete to a steel frame. It is made of low carbon steel, ASTM A29, 1010-1020. Also known as footman's loops, use these guides to prevent webbing from twisting, or as anchor points in tie-down applications. Typically, this step is still done by the mason. 1. These general purpose concrete anchors are used in all types of concrete connections. E-Z Ancor® Twist N Lock #8 Self-Drilling Nylon Drywall Anchors with Screws, Heavy Duty, 50pcs. Ferrules - All ARC Weld Studs are supplied with the correct ferrule for your application, if you do not see the option you are looking for, select other can call for exact. (HCA) Nelson headed concrete anchors deliver code specified embedded tension and shear strength values between steel and concrete. It is made of low carbon steel, ASTM A29, 1010-1020. For similar function studs, see Nelson H4L Headed Concrete Anchors and D2L Deformed Bar Anchors. Shop our huge selection of OEM, MRO, construction, industrial, and safety products. They can be welded to a flat surface, inside of an angle or outside of an angle. We also stock a large inventory of threaded stainless steel arc studs along with shoulder studs. Headed Concrete Anchors are used in all types of concrete connections. In. Remember that drilling the holes correctly plays a very important factor not only in the installation of the anchor but also in the application of concrete anchor epoxy. Length is approximately 1/8″ shorter after welding. As the studs are welded in a finite range of the steel members and each stud generally has different distance from the edge of structural concrete, it can be expected that they do not show the same pull-out and shear strength. 27. HEADED CONCRETE ANCHOR – FULL WELD BASE TYPE HCA STUD TYPE FHD FERRULE SUPPLIED Head Diameter (H) – 1” for all 1/2” Headed Concrete Anchors. Replacement Magazine Nose Piece for DFD270. com is the online store for Stud Welding & Fasteners, incorporated in 2005. Providing superior stud welding and stud welder parts and equipment isn't enough. PH 1-800-NEL-WELD E-mail: Nelson. The CA08-130-11 is 1/2″ in diameter by 8-1/8″ in length before welding. 4. Our. These general purpose concrete anchors are used in all types of concrete connections. Shop our vast selection of industrial anchor bolts and fasteners online! Anchor Bolt suppliers, concrete anchor bolts, heavy duty toggle bolts, wedge anchor suppliers, anchor bolts. Weld Studs join a stud and another piece of metal together by heating both parts with an arc. Weld threaded studs and pins to steel and stainless steel without damaging the opposite side of the material. Why would I ever use headed studs if I can use rebar to get WAY more strength in tension. Headed & Shear Weld Stud Concrete Anchors . These general purpose concrete anchors are used in all types of concrete connections. Stud Welding & Fastening. We offer high-quality anchor bolt and screw accessories. Fastenal is the largest fastener distributor in North America. Equipment for Stud Welding 12 5. Headed Weld Studs in Plain Steel with a 3/4" Diameter. This creates an increase in shear capacity of concrete and metal. Length of concrete anchors are given before weld. The Steel Supply Company provides a full line of Weld Studs, Concrete Anchors, Shear Connectors, Threaded Studs, Stainless Steel Weld Studs and Deformed Bar studs. Unlike a weld stud, deformed bar anchors do not have a head and the bodies of the anchors are dimpled, similar to rebar. 3/4" Diameter Shear Connector from $86. Introduction. Learn more about the features, specifications and benefits of H4L - Concrete Anchor from STANLEY® Engineered Fastening. Ferrules - All Weld Studs are supplied with the correct ferrule. Ties masonry to masonry for structural (load bearing) & non-structural intersecting CMU walls. Add to Cart. Cast in Anchor - is only a headed bolt, headed stud, or hooked bolt. WELD STUD SPECIFICATIONS WELD STUD PACKAGING WELD STUD WEIGHTS D Diameter L Length TRU‐WELD Part Number Pieces Per Box Boxes Per Pallet Pieces Per Pallet Box Weight Pallet Weight 1,000 Piece Weight 1/4 1-1/8 CA04‐018‐11 2,000 27 54,000 48 lbs. The CA08-024-11 is 1/2″ in diameter by 1-1/2″ in length before welding. This is a male concrete anchor which is used for fastening to the base of concrete with the use of a nut and washer. , ft. 252. Made to order lengths are. OUTSIDE ANGLE. Swiveling Extension Spring Stud Anchors. 1 right, and General Installation Notes) The steel loop. The CA04-066-12 is 1/4″ in diameter by 4-1/8″ in length before welding. 99. Install them using conventional welding or specialized stud welders; a ferrule is included for use with stud welders. , Elyria, OH, December 1994. Designed to interconnect the concrete slab to the load bearing steel beams. Compare. A weld stud loads into a compatible stud welding gun, and the gun is. Call Today for More Information: (802) 448-3053. These general purpose concrete anchors are used in all types of concrete connections. Headed Concrete Anchors are available in diameters of 1/4", 3/8", 1/2" and 5/8". Stud-Style Anchors for Hollow Block and Brick. They can be welded to a flat surface or to the inside or outside of an angle. First, one must have the proper accessories. Concrete anchor types vary and include concrete screws, hammer-set anchors, lag shields, lead screw anchors, plastic wall plugs, anchor bolts and more. thick plate perFor more information, call Image Industries at (847) 603-2233 or request a quote online today. Stainless Steel Right-Angle Weld Studs. D2L Deformed Bar Anchor. They can be welded to a flat surface or to the inside or outside of an angle. Concrete Anchors with the diameter of 1/2” or below will be approximately 1/8” shorter after weld. The anchor pictured is a snap-in sample, which can. Unthreaded studs are available in 6-20mm diameter with up to 100mm in length. Headed concrete anchors and shear connectors are used in all types of concrete connections. Commonly referred to as headed concrete anchors or headed concrete anchor studs, headed weld studs are used for welding elements to a flat surface or heel of angles. Eliminates column capitals. ACI 318-14 17. *Headed Concrete Anchors are available for welding to flat surface, inside angles, and outside angles. pad in between. Material – Low carbon steel, ASTM A496. We offer a wide range of products consisting of tools, abrasives and fasteners, epoxies, anchors and more! At Abrafast. follow d1. They can be welded to a flat surface or to the inside or outside of an angle. Cutlass has several inch sizes of HCA & HSC ARC Weld Studs in stock, with custom sizes available upon request. Nelson Stud Welding also carries a range of CD Studs in both mild steel and stainless steel. This type of stud welded fastener is flux-loaded on the weld end for studwelding in concrete embedment and other applications. 2. Length is approximately 1/8″ shorter after welding. The typical use is for anchoring steel plates and shapes in concrete. Stud diameters (D) 1/2″ and below will be 5/8″ will be approximately 1/8″ shorter after welding. Learn more about the features, specifications and benefits of H4L - Concrete Anchor from STANLEY® Engineered Fastening. AWS: The headed anchors meet AWS specifications. Time and Amps by Stud Diameter. 3 / 8. 1/2" Diameter Headed Concrete Anchor from $104. CargoSmart Forged Steel D-Ring Tie-Down Anchor - Weld On - 1/2" x 3-3/8" - 4,000 lbs - 348823. 1/8" 4001-0836: FB-08: FB-08IA: FB-08OA: 2. The sizes listed are before the stud is welded. Similar to a weld stud, a deformed bar anchor is a fastener used for anchoring in concrete.