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

7/8-9 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (15)

Over-sized threads are wider than gutter spikes

1/16 x 12 High Speed Aircraft Bit Cobalt

1/4-20 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) M20-2.5 Hex Cap Screws 8.8 DIN 933 Zinc Plated (Fully Threaded) 1 x 6 Reduced Shank1 4 20 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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