EXAMINE THIS REPORT ON TYPES OF SCREW HEADS

A double-square screw head is often utilised on industrial-amount types along with haulmark trailers. A bulged head, in some cases using a black phosphate coating. Great for attaching drywall to a metal stud or timber. Tamper Resistant Torx- Tamper-resistant Torx drives incorporate a small pin in the center of your generate that stops tampering