Unslot Hex Washer Head With Locking Serrations Bolt Heavy-Duty 5/16-12 X 1-1/2 Inch, 7/16 Across Flats, Box Of 150 Fasteners For Wood And Metal Applications For Automotive Use

Heavy-Duty 5/16-12 Hex Washer Bolt with Lock Serrations
✔️ Box of 150 fasteners for wood and metal applications

The unslot hex washer bolt with locking serrations is designed for secure fastening in vibration-prone environments. Ideal for automotive, woodworking, and metal fabrications, it provides a hex drive with a washer head that locks against loosening.

✅ Thread: 5/16-12 x 1-1/2 in (38.1 mm)✅ Across flats: 7/16 in (11.1 mm)✅ Head: unslot hex washer with locking serrations✅ Quantity: Box of 150 fasteners

💡 What is a hex washer bolt with locking serrations used for in metal and wood projects?

This handy fastener helps keep joints tight and resists loosening in vibration-prone settings.

- Used on wood and metal assemblies requiring secure, vibration-resistant connections - Works with 5/16-12 threads and 1-1/2 inch length - Hex washer head with locking serrations prevents back-out in automotive and workshop use ✝️