3/4-10 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (120)

7/8-14 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (15)

OlyLog® is the first threaded log home fastener which requires no pre-drilling and is ACQ approved

3/4-10 x 10 A307 Grade A Carriage Bolt HDG

5/8 x 6 Reduced Shank Drill Bit (3/8 Shank)

7/8-9 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (45) #10 6-Lobe Flat-Head Simpson Deck-Drive DWP Wood Screws 316 Stainless Steel 3/4-10 x 1 3/4 Grade7 8 9 x 3 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (45) . 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