National Nail Multi-Purpose Deck Screw, NO 10 X 3-1/2 In Screwdriver Bits & Sets segmented rim contractor dry/wet cutting

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National Nail Multi-Purpose Deck Screw, NO 10 X 3-1/2 In Screwdriver Bits & Sets segmented rim contractor dry/wet cuttingMultipurpose deck screws for face fastening wood deck boards and securing other exterior wood to wood connections Type 17 slash point for fast starts and no pre drilling Buglehead draws board tight, finishing flush 2 3 thread design offers premium holding power T 20 and T 25 Star Drive reduces cam outs and eliminates excessive wear on the screw head and bit 1 in. (31. 8mm), 1 in. (41. 3mm), 2 in. (50. 8mm), 2 in. (63. 5mm), 3 in. (76. 2mm), 3 in. (88.