Bulk #4-24 Slotted Indent Hex Washer Head Type B Self-Tapping Screws – Zinc CR+3 – Monster Bolts Length:25000 Qty - #4-24 x 3/8" If your original blocks are

If your original blocks are worn

Duo-Drive Convenience: Install with a 5/16″ hex socket/wrench or a flat-blade screwdriver via the slotted indent

(Note: these are not locking nuts screws

reinforced wear zones

Engineered to meet DIN 6926 standards

Bulk #4-24 Slotted Indent Hex Washer Head Type B Self-Tapping Screws – Zinc CR+3 – Monster Bolts Length:25000 Qty - #4-24 x 3/8" If your original blocks areMonster Overview: Fix your project right the first time with Bulk #4 24 Slotted Indent Hex Washer Head Type B Self Tapping Screws from Monster Bolts. Finished with a zinc CR+3 coating, these fasteners provide dependable corrosion resistance for general purpose indoor and light outdoor applications. Type B self tapping threads feature a more uniform, machine screw like profile than Type A, making them ideal for controlled thread forming in pre punched