This square recess screw drive is analogous to regular sq. recess screw drives with 1 critical addition — a small pin in the middle that prevents tampering, just like the tamper-resistant Phillips travel screws https://types.blog/types-of-screw-heads/
Considerations To Know About types of screw heads
Internet 38 days ago philipdzpl687864Web Directory Categories
Web Directory Search
New Site Listings