Bulk 3/8-12 Unslotted Indented Hex Washer Thread-Cutting Screw — Type 25, Fully Threaded, Zinc Length:600 Qty - 3/8-12 x 1-1/2" 5/16"-18 Hex Flange Bolts

5/16"-18 Hex Flange Bolts

Drive Style: 6-Lobe (Torx) – high torque with minimal slippage

while a Type 23 triangular chip-relief pocket clears swarf as it cuts— lowering drive torque and leaving crisp internal threads in steel

General construction and mechanical applications

Outer Diameter: Smaller O

Bulk 3/8-12 Unslotted Indented Hex Washer Thread-Cutting Screw — Type 25, Fully Threaded, Zinc Length:600 Qty - 3/8-12 x 1-1/2" 5/16"-18 Hex Flange BoltsMonster Overview: Fix your project right the first time with 3 8 12 Unslotted Indented Hex Washer Head Type 25 Thread Cutting Screws from Monster Bolts. Crafted for heavy duty assemblies, these fasteners carve their own deep, coarse threads in drilled holesreducing drive torque and preventing stress cracks in soft plastics, composites, and thin metals. The indented hex washer head supplies ample bearing surface and high drive torque with any standard