{"id":15862729900192,"title":"| (50-Pk) CST 5\/16-inch x 4-inch T40 Star Drive Structural Screw 5\/16 in x 4 in 50.0","handle":"50-pk-cst-5-16-inch-x-4-inch-t40-star-drive-structural-screw-5-16-in-x-4-in-50-0","description":"\u003ch3\u003e| (50-Pk) CST 5\/16-inch x 4-inch T40 Star Drive Structural Screw\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eThe PWR DRIVE CST screw is made of hardened steel to provide a degree of high\ntensile strength, high torque, and super shear strength that a regular lag\nscrew just cannot offer. This gives an instant advantage of not having to pre-\ndrill, which is quite a time saver on the job site. The sharp threads and\npoints bite quickly, a type 17 tip reduces wood splitting and a clearing\nthread, called the \"U\" thread, reduces the friction on the screw shank, for\nreduced driving torque and more importantly increased battery life for your\ntools. The PWR DRIVE CST has a wide flat head with nibs and under-head cutting\nserrations for easy countersinks and will embed in wood with an incomparable\nclean finish. This screw also has a T-40 firm-grip drive provides exceptional\ntorque strength and allows the CST to stick to the bit, which is paramount\nwhen working in tight spaces. The PWR DRIVE CST is part of the ICC\/ESR-4558\nevaluation, which certifies CST as fully compliant with the International\nBuilding Code (IBC) and the International Residential Code (IRC), for both its\nstructural properties and corrosion resistance. This is why all CST have head\nmarkings for easy job site inspections.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eIdeal for general construction, decking, fencing or any framing applications\u003c\/li\u003e\n \u003cli\u003eNo pre-drilling necessary thanks to self-drilling threads and Type 17 point | Rustproof ACQ certified Gold finish, perfect for pressure treated wood\u003c\/li\u003e\n \u003cli\u003eOversized flat head with ribbing that imbeds into the wood for an incomparably clean finish | Specially engineered threads for added strength\u003c\/li\u003e\n \u003cli\u003eDiameter: 5\/16 in | Length: 4 in\u003c\/li\u003e\n \u003cli\u003eSold in pack of 50 | Includes a T-40 driver bit\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-12T16:03:11+10:00","created_at":"2026-09-09T23:46:05+10:00","vendor":"PWR Drive","type":"Wood Screws","tags":["heavy_industrial_Sep2026"],"price":27400,"price_min":27400,"price_max":27400,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":58887774404768,"title":"5\/16 in x 4 in \/ 50","option1":"5\/16 in x 4 in","option2":"50","option3":null,"sku":"B0FDXCN3PB","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"| (50-Pk) CST 5\/16-inch x 4-inch T40 Star Drive Structural Screw 5\/16 in x 4 in 50.0 - 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This gives an instant advantage of not having to pre-\ndrill, which is quite a time saver on the job site. The sharp threads and\npoints bite quickly, a type 17 tip reduces wood splitting and a clearing\nthread, called the \"U\" thread, reduces the friction on the screw shank, for\nreduced driving torque and more importantly increased battery life for your\ntools. The PWR DRIVE CST has a wide flat head with nibs and under-head cutting\nserrations for easy countersinks and will embed in wood with an incomparable\nclean finish. This screw also has a T-40 firm-grip drive provides exceptional\ntorque strength and allows the CST to stick to the bit, which is paramount\nwhen working in tight spaces. The PWR DRIVE CST is part of the ICC\/ESR-4558\nevaluation, which certifies CST as fully compliant with the International\nBuilding Code (IBC) and the International Residential Code (IRC), for both its\nstructural properties and corrosion resistance. This is why all CST have head\nmarkings for easy job site inspections.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eIdeal for general construction, decking, fencing or any framing applications\u003c\/li\u003e\n \u003cli\u003eNo pre-drilling necessary thanks to self-drilling threads and Type 17 point | Rustproof ACQ certified Gold finish, perfect for pressure treated wood\u003c\/li\u003e\n \u003cli\u003eOversized flat head with ribbing that imbeds into the wood for an incomparably clean finish | Specially engineered threads for added strength\u003c\/li\u003e\n \u003cli\u003eDiameter: 5\/16 in | Length: 4 in\u003c\/li\u003e\n \u003cli\u003eSold in pack of 50 | Includes a T-40 driver bit\u003c\/li\u003e\n \u003c\/ul\u003e"}