Bulk 1/4"-20 Phillips Flat Undercut Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 5/8") Length:5000 Qty - 1/4-20 x 1/2" Finish: Plain (unplated) — suitable

Finish: Plain (unplated) — suitable where extra corrosion protection is not essential

but more is possible

Wide Range of US Inch Sizes: Available in various sizes to suit your specific requirements

Pan Head Design: Provides a clean

Bulk External Tooth Keps K-Lock Hex Locknuts – Steel Zinc CR+3 (US Inch Sizes)

Bulk 1/4"-20 Phillips Flat Undercut Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (1/2" & 5/8") Length:5000 Qty - 1/4-20 x 1/2" Finish: Plain (unplated) — suitableMonster 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