Fastenmaster FMHLGM007-250 Headlok Heavy Duty Flathead Fastener, 7" Fortifier / Filler Heavy-gauge high carbon steel for

Heavy-gauge high carbon steel for extended life

Guaranteed to fit all standard door preparations

Difference over straight link is twist link chain lies flat

Teeth per in=6

Fastenmaster FMHLGM007-250 Headlok Heavy Duty Flathead Fastener, 7" Fortifier / Filler Heavy-gauge high carbon steel forHighlights: Aggressive thread for holding and withdrawal strength Chamfer under head for increased strength Free Spider Drive bit in every package Harp gimlet point for fast installation into wood and OSB Stronger design shear values than 3 8" Lags Variety of lengths to match wide range of applications Wafer head eliminates need for washer and offers dramatically increased pull through strength