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GRK Fasteners - Caliburn 19/64" x 3 1/2" XL Concrete Screws (Handy Pak -25pc)
$27.29
--ON BACKORDER UNTIL FURTHER NOTICE--
Orders made during the backorder period will be shipped as soon as the shipment arrives in stock. Contact Us for more information
Super strong for concrete installations - Recommend using min 4 screws per anchor. 1 Handy Pak per 6 anchors. These patented fasteners are "UberGrade" as the manufacturer likes to say.
This fastener rates 2523 lbs/in of Tension Pullout and 3200 lbs/in of Shear strength in 2000 psi concrete.
NOTE: If your concrete is very old or you are in the Eastern States where many concretes contain higher granite composition you will require a high end drill bit. The drill bit provided is medium quality and not designed for extreme concrete density.
Use a minimum of four or a maximum of eight 9/64” x 3.5” screws to secure 6x6 or 4x4 anchor to concrete surfaces.
Requires T40 star drive bit. Handy pack includes a concrete drill bit.
GRK Fasteners - Caliburn 19... reviews
Global Rating: 5.00 from 1 reviews
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| Fantastic | Jun 1, 2011 | Keith Ganzenmuller | Salina Ka US | |
| These fasteners are just short of miraculous. First, they came with bits to screw them in and a drill bit of exactly the right proportions. Not only are... more... | ||||
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