15in x .220 Timber Screw Interior Grade

Simpson Strong-Tie SDWS221500-RP1 15in Log Home Structural Screw Interior Ecoat 1ctThe Strong-Drive SDWS Timber Interior Grade screw, formerly, the SDWS Log screw, is a structural wood screw available in a variety of Length s and is designed for cross-laminated timber assemblies, mass timber construction, log-home construction, ledgers and general interior applications. These 0.195in- and 0.220in-diameter structural fasteners require less torque to install than comparable fasteners, and the large-diameter washer head pulls members down easily, eliminating the need to use extra washers. It is code listed under IAPMO-UES ER-192 and meets 2015 and 2018 IRC1/4 and IBC1/4 code requirements for several common wood framing applications.Key Features SawTooth, point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications Serrated thread reduces splitting and damage Large, low-profile .075in-diameter washer head with nibs provides maximum bearing area and makes countersinking easy 6-lobe, T40 drive provides positive engagement that makes the screw easy to drive and improves bit life replacement driver bit: BIT40T-134 Size identification on all Simpson Strong-Tie screws US Patent: 9,523,383 Applications Surface splines, lap joints, timber framing, ledgers, log-home construction and general interior applicationsTesting in a variety of mass timber applications is underway Product IncludesReplacement driver bit: BIT40T-134 WarningIndustry studies show that hardened fasteners can experience performance problems in wet and corrosive environments. Accordingly, use this product in dry, interior and noncorrosive environments only. Specifications: Coating/MaterialE-coat1/4 ElectrocoatingLength in.15Head Diameter in.0.750Shank Diameter in.0.220Drive TypeT40 6-LobeHead TypeLow Profile HeadThread TypeSerrated ThreadsThread Length 2 3/4Point TypeSawTooth, PointColorBlackPackaging Qty.1