{"product_id":"simpson-strong-tie-sdhr31614-r25-strong-drive-sdhr-combo-head-screw-0-315-in-x-6-1-4-in-blue-zinc-25-pack","title":"Simpson Strong-Tie SDHR31614-R25 Strong-Drive SDHR COMBO-HEAD Screw,  0.315-in. x 6-1\/4-in., Blue Zinc, 25-Pack","description":"\u003cul\u003e\n\u003cli\u003eDesigned for use with steel side plates\u003c\/li\u003e\n\u003cli\u003eCan be driven by either a hex-head or 6-lobe driver bit\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, partially-threaded shaft with knurl provides strength, with superb pull-out resistance\u003c\/li\u003e\n\u003cli\u003eType-17 point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications\u003c\/li\u003e\n\u003cli\u003eDeep T40, 6-lobe recess for a secure drive\u003c\/li\u003e\n\u003cli\u003eInterior grade blue-zinc coating\u003c\/li\u003e\n\u003cli\u003eShank diameter: 0.315 in. (8.1 mm)\u003c\/li\u003e\n\u003cli\u003eLength: 6-1\/4 in. (160 mm)\u003c\/li\u003e\n\u003cli\u003eQuantity: 25 per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe Strong-Drive SDHR Combo-Head screw is a structural fastener designed for cross-laminated timber construction, mass timber construction and general interior applications. These partially-threaded, sturdy 0.390 in. and 0.470 in. outer-diameter structural fasteners are designed to pull structural members together while providing excellent connection strength. The unique “combination” head allows for effortless driving using either a hex driver bit or T40 6-lobe driver bit. The SDHR Combo-Head has an interior-grade, blue-zinc coating, a robust knurled shaft and Type-17 point for fast starts and low-torque driving.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for use with steel side plates\u003c\/li\u003e\n\u003cli\u003eCan be driven by either a hex-head or 6-lobe driver bit\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, partially-threaded shaft with knurl provides strength, with superb pull-out resistance\u003c\/li\u003e\n\u003cli\u003eType-17 point ensures fast starts, reduces installation torque and eliminates the need for predrilling in most applications\u003c\/li\u003e\n\u003cli\u003eDeep T40, 6-lobe recess for a secure drive\u003c\/li\u003e\n\u003cli\u003eInterior grade blue-zinc coating\u003c\/li\u003e\n\u003cli\u003eShank diameter: 0.315 in. (8.1 mm)\u003c\/li\u003e\n\u003cli\u003eLength: 6-1\/4 in. (160 mm)\u003c\/li\u003e\n\u003cli\u003eQuantity: 25 per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eInstall With:\u003c\/strong\u003e Install using 6-lobe T40 or 17-mm hex-head driver bit\u003c\/p\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":53222948602150,"sku":"SDHR31614-R25","price":90.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/SDHR31614-R25_00707392012177_Base_Product_Image_w__Overlay_19062ac8-9264-4e67-ae35-2e793d95707f.jpg?v=1779136101","url":"https:\/\/www.toolnut.com\/products\/simpson-strong-tie-sdhr31614-r25-strong-drive-sdhr-combo-head-screw-0-315-in-x-6-1-4-in-blue-zinc-25-pack","provider":"Tool Nut","version":"1.0","type":"link"}