Smooth head underside helps avoid overdriving screw
Hi-Lo threads for increased holding power and reduced driving torque
Corrosion resistant
Description
Ideal for wet shimming or when longer fasteners are required. Attaches 1/4", 1/2", 5/8" and 1" thick GoBoard waterproof tile backer board to wood studs and subfloor. Space every 8" instead of 6" for all other fasteners on GoBoard.