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" Combo Slot + Hex Drive:

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

Thread Type: Metric Coarse and Fine

these fasteners create clean internal threads in sheet metal and other ductile materials

50 Stainless Steel Flat Socket Cap Screws - A2/18-8

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" Combo Slot + Hex Drive:Monster 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