Designed for use with 316 stainless steel screws

9/16-12 x 1 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

3/4-16 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

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

3/8 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (4700)

3/4-10 x 18 A307 Grade A Timber Bolts Hot Dipped Galvanized 6in Thread (15) 3/4-10 Grade 5 Hex Cap Screws Plain - Domestic USA Designed for use with 3163 4 10 x 18 A307 Grade A Timber Bolts Hot Dipped Galvanized 6in Thread (15) . All timber bolts, regardless of length will have 6 inches of thread on the shank. Timber bolts are typically used in marine and treated wood applications. Slightly different than carriage bolts, timber bolts have fins on the neck underneath the head to prevent the bolt from turning during installation. The oversize head eliminates the need for a washer.