National Nail 5-Lb. Sterling Fasteners #8 x 1-5/8-Inch Bugle-Head Deck Screws Size:#8 x 1-5/8" It is ideal for mounting

It is ideal for mounting electrical fixtures

use on wood

Welded 14-tine tempered-steel head

18 mm) national pipe thread (NPT)

Packing gland – blowout proof stem design

National Nail 5-Lb. Sterling Fasteners #8 x 1-5/8-Inch Bugle-Head Deck Screws Size:#8 x 1-5/8" It is ideal for mountingMultipurpose 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.