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(10) reusable taper concrete anchors 5/8" x 3-1/2"


This is for a lot of 10 Taper Bolt Anchors. These are 5/8" x 3-1/2". These work different than any other expansion anchor, the bolt is actually tapered thread and the bolt expands the nut... From another wesite:
taper bolts Size: 5/8", length: 3-1/2", min. embedment: 2-5/8", hole diameter: 5/8", required torque to set: 125 (ft. lbs), required head clearance: 5/16": required hole diameter equals anchor diameter, undersize/oversize holes can be accommodated by turning the pre-expanded nut a few times, equipment may be removed and replaced. The bolt is simply re-inserted and torqued to obtain original holding power (the nut stays in the hole), bolt can be removed and re-used with a new nut, strength-the highest tensile and shear strength of any expansion anchor, withstands vibratory loads better than any other expansion anchor. installation: drill hole the same diameter as the taper bolt using fixture as a template. taper bolt works in a bottomless hole, drive taper bolt into place leaving recommended head clearance. If hole is oversized simply remove and pre-expand the expander nut to fit hole, tighten taper-bolt recemmended number of turns and/or recommended torque, for big jobs, set taper bolt with an impact wrench. This method offers speed, consistency and greater installer productivity
Would make a good anchor for rock climbing.
These normally sale for $3.00 - $6.00 each.
http:// /web/products/detail.ex?sku=51511



(10) reusable taper concrete anchors 5/8