Bulk #4-40 Phillips Flat Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (5/16" & 3/8") Metric Standard_DIN 1587 while the tri-lobular Plastite® flank

while the tri-lobular Plastite® flank cold-flows thermoplastic to create chip-free internal threads—no taps

Vibration Grip: Integral serrated washer flange bites into the mating surface to resist loosening

Buy with confidence — every Monster Bolts bulk order is backed by our strict quality standards

providing excellent resistance against vibration and rotation

80 stainless steel button socket cap screws in bulk

Bulk #4-40 Phillips Flat Thread Cutting Screw Type 23 – Full Thread Zinc-Bake (5/16" & 3/8") Metric Standard_DIN 1587 while the tri-lobular Plastite® flankMonster Overview: Achieve clean, low profile assemblies with #4 40 Phillips Flat Head Thread Cutting Screws, Type 23, Zinc Bake from Monster Bolts. The 82 countersunk head sits flush with the surface, while a Type 23 triangular chip relief pocket ejects swarf as it cutsreducing drive torque and leaving crisp internal threads in steel, aluminum, and plastics. Bright zinc plating followed by a hydrogen relief bake delivers dependable corrosion