System of Measurement System of Measurement |
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Anchor Type Anchor Type |
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![]() | Stud |
For Use In For Use In |
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Material Material |
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Finish Finish |
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Removable Removable |
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Pull-Out Strength Pull-Out Strength |
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Shear Strength Shear Strength |
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Thread Type Thread Type |
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Drill Bit Decimal Size Equivalent Drill Bit DecimalSize Equivalent |
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Required Installation Torque Required Installation Torque |
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Thread Direction Thread Direction |
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Thread Spacing Thread Spacing |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Vibration-Resistant Stud Anchors for Concrete

Keep fixtures solidly in place—these anchors have two locking wedges that won't shake loose. Also known as wedge anchors, the base expands as you tighten the nut for a secure hold in concrete. They're often used to anchor machinery. Made from zinc-plated steel, they resist corrosion in wet environments. Pull-out strength and shear strength values are 25% of the ultimate values.
For technical drawings and 3-D models, click on a part number.
Thread | Strength, lbs. | ||||||||||||
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Lg. | Size | Lg. | Washer OD | Nut Wd. | Drill Bit Size | Min. Installation Dp. | Pull-Out | Shear | Tested In | Required Installation Torque, ft.-lbs. | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel | |||||||||||||
1/4" Dia. | |||||||||||||
1 3/4" | 1/4"-20 | 1/2" | 5/8" | 7/16" | 1/4" | 1 1/8" | 370 | 500 | 4,000 psi Concrete | 8 | 6 | 000000000 | 00000 |
2 3/4" | 1/4"-20 | 1/2" | 5/8" | 7/16" | 1/4" | 1 1/8" | 370 | 500 | 4,000 psi Concrete | 8 | 6 | 000000000 | 00000 |
3" | 1/4"-20 | 1/2" | 5/8" | 7/16" | 1/4" | 1 1/8" | 370 | 500 | 4,000 psi Concrete | 8 | 6 | 000000000 | 00000 |
5/16" Dia. | |||||||||||||
2" | 5/16"-18 | 5/8" | 11/16" | 1/2" | 5/16" | 1 1/4" | 600 | 520 | 4,000 psi Concrete | 15 | 6 | 000000000 | 00000 |
3" | 5/16"-18 | 5/8" | 11/16" | 1/2" | 5/16" | 1 1/4" | 600 | 520 | 4,000 psi Concrete | 15 | 4 | 000000000 | 0000 |
3/8" Dia. | |||||||||||||
2" | 3/8"-16 | 3/4" | 13/16" | 9/16" | 3/8" | 1 1/2" | 820 | 1,100 | 4,000 psi Concrete | 25 | 4 | 000000000 | 0000 |
2 3/4" | 3/8"-16 | 3/4" | 13/16" | 9/16" | 3/8" | 1 1/2" | 820 | 1,100 | 4,000 psi Concrete | 25 | 4 | 000000000 | 00000 |
3 1/2" | 3/8"-16 | 3/4" | 13/16" | 9/16" | 3/8" | 1 1/2" | 820 | 1,100 | 4,000 psi Concrete | 25 | 4 | 000000000 | 00000 |
5" | 3/8"-16 | 3/4" | 13/16" | 9/16" | 3/8" | 1 1/2" | 820 | 1,100 | 4,000 psi Concrete | 25 | 2 | 000000000 | 0000 |
6" | 3/8"-16 | 3/4" | 13/16" | 9/16" | 3/8" | 1 1/2" | 820 | 1,100 | 4,000 psi Concrete | 25 | 2 | 000000000 | 0000 |
1/2" Dia. | |||||||||||||
2 3/4" | 1/2"-13 | 1" | 1 1/16" | 3/4" | 1/2" | 2 1/4" | 1,100 | 2,200 | 4,000 psi Concrete | 55 | 4 | 000000000 | 00000 |
3 1/2" | 1/2"-13 | 1" | 1 1/16" | 3/4" | 1/2" | 2 1/4" | 1,100 | 2,200 | 4,000 psi Concrete | 55 | 2 | 000000000 | 0000 |
5" | 1/2"-13 | 1" | 1 1/16" | 3/4" | 1/2" | 2 1/4" | 1,100 | 2,200 | 4,000 psi Concrete | 55 | 1 | 000000000 | 0000 |
6" | 1/2"-13 | 1" | 1 1/16" | 3/4" | 1/2" | 2 1/4" | 1,100 | 2,200 | 4,000 psi Concrete | 55 | 1 | 000000000 | 0000 |
7" | 1/2"-13 | 1" | 1 1/16" | 3/4" | 1/2" | 2 1/4" | 1,100 | 2,200 | 4,000 psi Concrete | 55 | 1 | 000000000 | 0000 |
5/8" Dia. | |||||||||||||
3 1/2" | 5/8"-11 | 1 1/4" | 1 5/16" | 15/16" | 5/8" | 3" | 2,500 | 3,200 | 4,000 psi Concrete | 95 | 1 | 000000000 | 0000 |
4 1/2" | 5/8"-11 | 1 1/4" | 1 5/16" | 15/16" | 5/8" | 3 1/2" | 2,500 | 3,200 | 4,000 psi Concrete | 95 | 1 | 000000000 | 0000 |
5" | 5/8"-11 | 1 1/4" | 1 5/16" | 15/16" | 5/8" | 3 1/2" | 2,500 | 3,200 | 4,000 psi Concrete | 95 | 1 | 000000000 | 0000 |
6" | 5/8"-11 | 1 1/4" | 1 5/16" | 15/16" | 5/8" | 3 1/2" | 2,500 | 3,200 | 4,000 psi Concrete | 95 | 1 | 000000000 | 0000 |
7" | 5/8"-11 | 1 1/4" | 1 5/16" | 15/16" | 5/8" | 3 1/2" | 2,500 | 3,200 | 4,000 psi Concrete | 95 | 1 | 000000000 | 0000 |
3/4" Dia. | |||||||||||||
4" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 0000 |
5" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 00000 |
6" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 00000 |
7" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 00000 |
8 1/2" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 00000 |
10" | 3/4"-10 | 1 1/2" | 1 1/2" | 1 1/8" | 3/4" | 3" | 3,800 | 4,500 | 4,000 psi Concrete | 170 | 1 | 000000000 | 00000 |
1" Dia. | |||||||||||||
10" | 1"-8 | 2" | 2" | 1 1/2" | 1" | 5 1/2" | 5,300 | Not Rated | 4,000 psi Concrete | 300 | 1 | 000000000 | 00000 |