National Nail 3-1/2 in. #10 ProTech Green Premium Star Drive Bugle-Head Deck Screws Category_Caulk & Sealant Interior and exterior use

Interior and exterior use

Paintable and Stainable

Washerless

bi-metal ultra-hardened cutting edge

on 3" core

National Nail 3-1/2 in. #10 ProTech Green Premium Star Drive Bugle-Head Deck Screws Category_Caulk & Sealant Interior and exterior useMultipurpose 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.