Bulk 1/4"-14 Indented Hex Washer Head Self-Tapping Screws (Type AB) – Zinc CR+3 – Monster Bolts 440390 410 stainless delivers higher tensile

410 stainless delivers higher tensile strength and wear resistance than 18-8 grades yet retains solid corrosion resistance in mild environments

The fully threaded shaft and hardened steel construction deliver secure fastening strength with excellent vibration resistance

Their lobular 7500 M groove cold-forms 6g ISO-metric threads in aluminum

precise torque transfer

Monster Bolts carries a full lineup of bulk self-tapping screws in Type A

Bulk 1/4"-14 Indented Hex Washer Head Self-Tapping Screws (Type AB) – Zinc CR+3 – Monster Bolts 440390 410 stainless delivers higher tensileMonster Overview: Fix your project right the first time with Bulk 1 4" Type AB Indented Hex Washer Head Self Tapping Screws from Monster Bolts. Designed for demanding applications, these fasteners use a Type AB self tapping thread to form secure threads in metal or wood without pre tapping. The hex washer head (HWH) with integral indentation provides a wide bearing surface for improved load distribution and resistance to pull through. The external hex