Simpson Deck-Drive DSV Collated Wood Screw #10 x 3 in. T25 6-Lobe Gray Quik Guard Coating 1000-Pack Sawing 081 is a 5/16" diameter

081 is a 5/16" diameter 2 Flute Dowel Drill with Countersink (With Countersink (70mm))

a design developed specifically for I-joists to minimize splitting

Nominal drill bit size matches the anchor diameter (1/2") - simplifies tool selection and speeds up installation by eliminating guesswork on hole sizing

A built-in positive stop ensures even thread engagement into each end of the nut

Simpson Deck-Drive DSV Collated Wood Screw #10 x 3 in. T25 6-Lobe Gray Quik Guard Coating 1000-Pack Sawing 081 is a 5/16" diameterSimpson Deck Drive DSV Wood Screw #10 x 3 in., Gray, Collated (1000 Qty) Model DSVG3S is a professional grade fastening solution from Simpson Strong Tie, engineered specifically for preservative treated decking applications. Featuring a rimmed flat head with under head nibs and a high low threaded point for fast starts, these collated screws are designed for use with the Quik Drive auto feed screw driving system to deliver consistent, efficient