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

50 x 35 Socket Cap Screw 12

7/8-9 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (120)

15/64 x 12 High Speed Aircraft Bit Cobalt

14 x 10 TimberLOK® Heavy Duty Wood Screw (50)

1-14 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) Shopify Collective The Spike® anchor is formed1 14 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) . 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