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Wedge Anchor
Heavy duty expansion anchor used in solid base materials. They feature an expansion mechanism at the base of the anchor and a nut and flat washer on top. Wedge anchors are the most common heavy duty anchor.
Base Materials: Concrete, Masonry. Solid Only.
Other Names: Stud Anchor, Kwik-Bolt®, Redi-Bolt®, Power-Stud®
Installation: Drill recommended sized hole in base material. Drive the anchor into the hole with a hammer until the nut and washer are flush. Tighten the nut until the anchor is secure.
Drill Bit and Allowable Load Data
| Anchor Dia | Drill Bit | Min Embed (in) | Tension (lbs.) | Shear (lbs.) |
|---|---|---|---|---|
| 1/4 | 1/4 | 1 1/8 | 415 | 315 |
| 1 3/4 | 695 | 315 | ||
| 3/8 | 3/8 | 1 5/8 | 775 | 635 |
| 2 3/8 | 1105 | 635 | ||
| 1/2 | 1/2 | 2 1/4 | 1200 | 1050 |
| 2 1/2 | 1240 | 1050 | ||
| 3 3/4 | 2515 | 1050 | ||
| 5/8 | 5/8 | 2 3/4 | 1570 | 1705 |
| 3 3/8 | 2095 | 1705 | ||
| 4 5/8 | 3560 | 1705 | ||
| 3/4 | 3/4 | 3 3/8 | 2270 | 3145 |
| 4 | 3015 | 3145 | ||
| 5 5/8 | 5590 | 3145 | ||
| 7/8 | 7/8 | 3 7/8 | 2890 | 2925 |
| 4 1/2 | 3780 | 2925 | ||
| 1 | 1 | 4 1/2 | 3920 | 5290 |
| 5 1/2 | 5230 | 5290 | ||
| 8 | 6215 | 5290 | ||
| 1 1/4 | 1 1/4 | 5 1/2 | 5850 | 7275 |
| 6 1/2 | 7110 | 7275 |
Allowable Load (Safety Factor of 4). Based off 4000 psi Normal Weight Concrete
Powers Spec Sheet