Fastenmaster Headlok 0.172 In. 4-1/2 In. Wafer Structure Screw (50 Ct.) Arrowhead Brass 60-minute in-wall

60-minute in-wall

and diode protected with spare fuse included

10% sulfur helps correct excessive alkalinity while 5% iron makes lawns green

A unique heat treatment process strengthens the steel body to withstand the stress and impact of high-powered hammer drills

UL (Underwriters' Laboratories) listed for 3 hour fire door

Fastenmaster Headlok 0.172 In. 4-1/2 In. Wafer Structure Screw (50 Ct.) Arrowhead Brass 60-minute in-wallStronger design shear values than 3 8" lags. Sharp gimlet point for fast installation into wood and OSB. Aggressive thread for holding and withdrawal strength. Spider Drive offers highest level of bit engagement and drivability. Wafer head eliminates need for washer and offers increased pull through strength. Chamfer under head for increased strength. Free Spider Drive bit in every package. 50 pieces per box.