Bulk 1/4"-20 Phillips Flat Undercut Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 5/8") Length:4000 Qty - 1/4-20 x 5/8" The M12 hex drive ensures

The M12 hex drive ensures secure engagement for reliable torque control and repeatable assembly results in heavy machinery and structural applications

Combo Slot + Hex Drive: Use whichever tool is handy—ideal for tight spots and repairs

Our 1-1/4"-12 L-9 (L9) Hex Head Cap Screws with fine threads are perfect for applications where precise adjustments and maximum strength are critical

Construction and heavy equipment

Bulk Packaging: Monster Bolts bulk quantities offer the best price-per-piece for individuals and businesses needing larger volumes

Bulk 1/4"-20 Phillips Flat Undercut Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 5/8") Length:4000 Qty - 1/4-20 x 5/8" The M12 hex drive ensuresMonster Overview: Tackle tight clearance countersinks with 1 4 20 Phillips Flat Undercut Head Thread Cutting Screws, Type 23, Zinc Bake from Monster Bolts. The undercut flat head sits lower than a standard 82 flat, making room for thicker sheet metal or brittle plastics without punching through. A Type 23 triangular chip relief pocket at the tip clears swarf as it cutsreducing drive torque and leaving crisp internal threads in steel, aluminum, and