Powers 316 Stainless 1/2" x 3 3/4" Wedge Bolt

The Power-Stud+ SD6 (316 Stainless Steel) anchors are fully threaded, torque-controlled, stainless steel wedge expansion anchors which are designed for consistent performance in cracked and uncracked concrete. Suitable base materials include normal-weight, lightweight concrete, and grouted concrete masonry (CMU). The anchor is manufactured with a stainless steel body and expansion clip. Nut and washer are included.

These are in common use as rock climbing bolts and have been tried and true for decades. 

Recommended for use in harder rock types.

*The following links are from Powers:
	R7310 3/8" 2-1/4" Type 304 SS R7312 3/8" 2-3/4" Type 304 SS R7612 3/8" 2-3/4" Type 316 SS R7313 3/8" 3" Type 304 SS R7613 3/8" 3" Type 316 SS R7314 3/8" 3-1/2" Type 304 SS R7614 3/8" 3-1/2" Type 316 SS R7322 1/2" 3-3/4" Type 304 SS R7622 1/2" 3-3/4" Type 316 SS