Screw, 5/16 in Thread, 6 in L, Serrated Thread, Washer Head, Star Drive, HCR, 12 PK SPAX® PowerLags® offer the largest selection of code-recognized structural wood-to-wood fasteners in the industry. Featuring SPAX® patented thread technology, they require no pre-drilling and drive faster and easier than conventional lags and other structural lag screws. HCR® high corrosion-resistant coating option for use in interior or exterior applications, including treated lumber.

Item Features

• Patented thread serrations require up to 40% less driving torque to increase installation speed while helping prevent cracking in logs
• Built-on washer head designs eliminate the need and extra cost of a separate washer
• Fastener length stamp on the head provides convenient identification without measuring and aids on-site inspections
• No pre-drilling required

Item Specifications

• Brand Name: SPAX
• Manufacturer Name: Altenloh, Brinck & Co
• Manufacturer Number: 45818208015243

Product Certification & Qualifications

• ICC-ES ESR-1782 Certified