2" length for 1" and 3/4" boards

1 3/4-5 x 4 Socket Cap Screw Alloy

The Spike® anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism

Made in Germany

Hardness: Rockwell C45-53

1/2-20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1/2-20 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 2" length for 1" and1 2 20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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