System of Measurement System of Measurement |
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Length Length |
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Anchor Type Anchor Type |
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 | Stud |
Head Type Head Type |
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 | Flat |
Material Material |
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For Use In For Use In |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Tensile Strength Tensile Strength |
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Removable Removable |
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Shear Strength Shear Strength |
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Pull-Out Strength Pull-Out Strength |
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Mount Type Mount Type |
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Weld-On Stud Anchors for Wet Concrete
Anchor with Included Ferrule
These stud anchors strengthen the parts of buildings where steel framing connects to concrete. Weld them to the framing to help it adhere to the concrete and resist sheer forces. They have a head, so poured concrete embeds them solidly. Install them using conventional welding or specialized stud welders; a ferrule is included for use with stud welders. All anchors meet ASTM A108 material specifications and AWS D1.1 structural welding specifications. They’re also known as Nelson studs.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||||
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| Length | Diameter | Height | Ferrule Material | Tensile Strength, psi | Pull-Out Strength | Shear Strength | Specifications Met | Pkg. Qty. | Pkg. | |
Low-Carbon Steel | ||||||||||
1/4" Diameter | ||||||||||
| 4 1/8" | 1/2" | 0.187" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 00000 |
3/8" Diameter | ||||||||||
| 2 1/8" | 3/4" | 0.281" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 0000 |
| 3 1/8" | 3/4" | 0.281" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 0000 |
| 4 1/8" | 3/4" | 0.281" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 0000 |
| 6 1/8" | 3/4" | 0.281" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 00000 |
1/2" Diameter | ||||||||||
| 2 1/8" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 00000 |
| 3 1/8" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 00000 |
| 4 1/8" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 10 | 000000000 | 00000 |
| 5 5/16" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 0000 |
| 6 1/8" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 0000 |
| 8 1/8" | 1" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
5/8" Diameter | ||||||||||
| 4 3/16" | 1 1/4" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 5 3/16" | 1 1/4" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 6 3/16" | 1 1/4" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 6 9/16" | 1 1/4" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 8 3/16" | 1 1/4" | 0.312" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
3/4" Diameter | ||||||||||
| 3 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 3 3/8" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 4 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 4 3/8" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 4 7/8" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 5 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 5 3/8" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 5 7/8" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 6 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 8 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 9 3/16" | 1 1/4" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
7/8" Diameter | ||||||||||
| 4 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 5 | 000000000 | 00000 |
| 5 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 6 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 7 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 8 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 9 3/16" | 1 3/8" | 0.375" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
1" Diameter | ||||||||||
| 4 1/4" | 1 5/8" | 0.5" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 6 1/4" | 1 5/8" | 0.5" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |
| 8 1/4" | 1 5/8" | 0.5" | Ceramic | 65,000 | Not Rated | Not Rated | ASTM A108, AWS D1.1 | 1 | 000000000 | 0000 |