A uniquely tapered head countersinks easily into wood for a sharp flush appearance

5/8-11 x 4 Hex Tap Bolt Silicon Bronze

61/64 x 6 Reduced Shank Drill Bit Cobalt (1/2 Shank)

1-8 x 12 Grade 5 Hex Cap Screw Zinc Plated

5/16-24 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1400) Combo Mushroom Toggle Bolts Zinc Plated A uniquely tapered head countersinks5 16 24 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1400) . 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