This fastener is corrosion resistant guaranteed

#30 x 6 High Speed Aircraft Bit Cobalt

230" diameter casing-style head and slender #7 diameter for finish work and trim

1 3/16 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

3/4-10 x 7 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55) Phillips Bugle Decking Screws Yellow Zinc Plated This fastener is corrosion resistant1 8 x 1 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (55) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of