Bulk 1/4″-20 Slotted Hex-Washer Thread-Cutting Screws — Type F, 410 Stainless Steel Size_1-1/4"-7 With a Hot-Dip Galvanized (HDG)

With a Hot-Dip Galvanized (HDG) coating

5/16" external hex Washer Feature Integral serrated under-head flange Point Style Taptite Alternative tri-lobular thread-rolling Material Case-hardened steel Finish CR+3 zinc plating

Dual-Drive Head: ¼″ hex plus straight slot for maximum installation options

dry wax for consistent clamp load

Bulk 1/4″-20 Slotted Hex-Washer Thread-Cutting Screws — Type F, 410 Stainless Steel Size_1-1/4"-7 With a Hot-Dip Galvanized (HDG)Monster 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