Bulk 1/2"-13 × 1-1/2" Slotted Indented Hex Washer Thread Cutting Screw Type 1 – Zinc-Bake Length:250 Qty - 1/2-13 x 1-1/2" DIN 7500 C Lobular Thread:

DIN 7500 C Lobular Thread: Rolls—not cuts—metal for superior strip-out & fatigue resistance

Consistent Inventory: Ensure sufficient stock for long-term projects

shipping from our Florida warehouse

Pair with complementary USA-made hardware:

then finished with a factory dry-film wax that lowers driving torque and adds corrosion protection

Bulk 1/2"-13 × 1-1/2" Slotted Indented Hex Washer Thread Cutting Screw Type 1 – Zinc-Bake Length:250 Qty - 1/2-13 x 1-1/2" DIN 7500 C Lobular Thread:Monster Overview: Fix your project right the first time with 1 2 13 1 Slotted Indented Hex Washer Head Thread Cutting Screws, Type 1, Zinc Bake Finish from Monster Bolts. Designed with a single cutting edge and tapered machine screw threads, these fasteners cut precise internal threads in structural steel, thick sheet metal, and other ductile materials. The large integrated washer head spreads load without the bulk of a separate washer, while the