System of Measurement System of Measurement |
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Anchor Type Anchor Type |
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 | Female Threaded |
For Use In For Use In |
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Material Material |
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Finish Finish |
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Pull-Out Strength Pull-Out Strength |
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Removable Removable |
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Shear Strength Shear Strength |
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Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Steel Female-Threaded Anchors for Concrete
A zinc plating provides corrosion resistance in wet environments. Also known as drop-in anchors, these are often used for overhead applications because the anchor's internal plug expands in four directions to hold the anchor firmly inside the hole before inserting a threaded rod or bolt. To install, place the anchor into the hole, insert the required installation tool (sold separately) into the anchor, and drive with a hammer until the thicker portion of the tool makes contact with the anchor. Pull-out strength and shear strength values are 25% of the ultimate values for normal-weight concrete.
Anchors can be installed below the base of the surface as well as flush with the surface. Use those with a coil thread to support temporary concrete formwork. Their threads are shallow and widely spaced for quick threading with a compatible rod or bolt. They are not for permanent applications.
Flanged anchors are easy to set in holes that are longer than the anchor. They sit flush with the surface when installed.
For technical drawings and 3-D models, click on a part number.
Strength, lbs. | ||||||||||||
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| Thread Size | Lg. | Drill Bit Size | Min. Installation Dp. | Dia. | Thread Dp. | Pull-Out | Shear | Tested In | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Carbon Steel | ||||||||||||
Anchor with Coil Threads | ||||||||||||
| 1/2"-6 | 2" | 5/8" | 2" | 5/8" | 13/16" | 1,440 | 1,600 | 4,000 psi Concrete | FM Approved, UL Listed | 1 | 000000000 | 00000 |
| 3/4"-4 1/2 | 3 3/16" | 1" | 3 3/16" | 1" | 1 3/8" | 2,350 | 3,920 | 4,000 psi Concrete | FM Approved, UL Listed | 1 | 000000000 | 0000 |
Anchor with UNC Threads | ||||||||||||
| 1/4"-20 | 1" | 3/8" | 1" | 3/8" | 7/16" | 495 | 530 | 4,000 psi Concrete | __ | 25 | 000000000 | 0000 |
| 3/8"-16 | 1 9/16" | 1/2" | 1 9/16" | 1/2" | 5/8" | 1,045 | 1,145 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 0000 |
| 1/2"-13 | 2" | 5/8" | 2" | 5/8" | 13/16" | 1,440 | 1,600 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 00000 |
| 5/8"-11 | 2 1/2" | 7/8" | 2 1/2" | 7/8" | 1 3/16" | 1,860 | 3,095 | 4,000 psi Concrete | FM Approved, UL Listed | 4 | 000000000 | 00000 |
| 3/4"-10 | 3 3/16" | 1" | 3 3/16" | 1" | 1 3/8" | 2,350 | 3,920 | 4,000 psi Concrete | FM Approved, UL Listed | 1 | 000000000 | 0000 |
Flanged Anchor with UNC Threads | ||||||||||||
| 1/4"-20 | 5/8" | 3/8" | 5/8" | 3/8" | 3/8" | 285 | 415 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 0000 |
| 1/4"-20 | 1" | 3/8" | 1" | 3/8" | 7/16" | 495 | 530 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 0000 |
| 3/8"-16 | 3/4" | 1/2" | 3/4" | 1/2" | 13/32" | 530 | 1,055 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 0000 |
| 3/8"-16 | 1 9/16" | 1/2" | 1 9/16" | 1/2" | 5/8" | 1,045 | 1,145 | 4,000 psi Concrete | FM Approved, UL Listed | 10 | 000000000 | 0000 |
| 1/2"-13 | 1" | 5/8" | 1" | 5/8" | 5/8" | 840 | 1,220 | 4,000 psi Concrete | FM Approved, UL Listed | 1 | 000000000 | 0000 |
| 1/2"-13 | 2" | 5/8" | 2" | 5/8" | 13/16" | 1,440 | 1,600 | 4,000 psi Concrete | FM Approved, UL Listed | 5 | 000000000 | 0000 |