The Grisham 4 in. one-way screw (4-pack) features a black powder-coated finish for weather durability. For use with all Grisham spearpoint window bar mounting brackets or fastener applications where possible tampering could occur. The non-reversing safety screw design inhibits removal of the fastener.
- For use in fastening all Grisham window bar mounting brackets and accessories
- Can be used in many security applications to inhibit potential tampering
- Non-reversing design impedes removal
- Rust-resistant finish
- 4-pack of x 4 in. long by 5/16 in. Dia with a 5/8 in. round head