Share Stainless Steel Security Screws Stainless steel security screws are tamper-resistant screws that resist oxidation and deterioration. Stainless steel contains chromium which when exposed to oxygen forms a chromium oxide layer which seals off the internal metal from oxygen to prevent rusting. The head of the screw can only be fit with a non-standard driving bit to prevent tampering. Security screws resist […]
Share Pan Head Screw Uses Pan head screws have a large diameter, low height, flat top and flat underside bearing surface. The sides of a pan head are slightly rounded, but not as rounded as round head or button head screws. The head looks like an upside down frying pan. The driving slot in a pan head screw is shallower […]