1/4-20 x 2 Hex Head Flange Frame Bolt - Grade 8 Black Phosphate - Pkg of 1000

M8-1.25X45 DIN 6921 Class 8 Point 8 Metric Flange Bolt Screw Zinc Rohs. Hex flange head provides extra surface area similar to washer.

5/16-18X2 1/2 Serrated Hex Flanged Washer indented U/C Full Thread Scr Case Hard Zinc Bake. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.

Hex flange bolts are used when a hex washer head bolt is needed to spread clamping force over a larger surface area.

Stainless Steel Hex Head Tap Bolts are used in non-critical applications or where corrosion resistance is the primary concern. They are used to pull assemblies together and are manufactured with 304 stainless steel. It is recommended that Stainless Steel Hex Head Tap Bolts be used with stainless steel nuts and washers. Special Features: Fully Threaded Corrosion Resistance

Twelve-point drive types have a compact head shaped into twelve triangular points. They distribute torque well and are used with twelve-point wrenches and sockets.