Description
Acute tri-lock threadform and shank. Enhanced dual-start with opposing thread gives an easy straight drive. Stick-tite recess for maximum grip between bit and screw. Zinc and yellow-passivated. Double Self-Countersunk with Underhead Ribs TS Thread System Offers a Single Twin Thread in One, Gripping Fast with a Firm Fix Net-Coat Yellow-Plated Carbon Steel Construction Wax-Coated Fully Threaded
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