All posts in "Individual Screw Types"
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 […]