THE SINGLE BEST STRATEGY TO USE FOR LEAD SCREW THREAD TYPE

Hex Head- Hex head screws let for better torque. They are usually mounted using a wrench and socket. Hex heads are widespread in screws and bolts.This can be a variation of your counter sunk screw head, although the under surface area of The pinnacle is curved, just like a bugle. This lessens damage to plasterboard minimizing tearing of your paper,