Bulk 1/4″-20 Slotted Hex-Washer Thread-Cutting Screws — Type F, 410 Stainless Steel Size_1-1/4"-7 and industrial applications that demand

and industrial applications that demand maximum clamping strength and durability

Forged from hardened 410 stainless steel (martensitic

while the built-in washer spreads load—so you can skip separate lock-washers and nuts

With a Hot-Dip Galvanized (HDG) coating

Bulk 1/4″-20 Slotted Hex-Washer Thread-Cutting Screws — Type F, 410 Stainless Steel Size_1-1/4"-7 and industrial applications that demandMonster Overview: Engineered for trailer frames, marine fixtures, food equipment skins and hardwood to steel assemblies, these 1 4 20 Slotted Hex Washer Thread Cutting Screws deliver bolt strength clamp loads no backing nut required. Forged from 410 martensitic stainless steel, they are heat treated to Rockwell C38 45 for abrasion resistance yet retain stainless corrosion protection. The indented hex head with integral washer spreads load and covers