{"product_id":"5-16-18-x-3-20-pcs-flat-countersunk-head-socket-head-cap-screws-10-9-grade-alloy-steel-black-oxide-finish-allen-hex-socket-drive-full-thread-coarse-thread-unc","title":"5\/16-18 x 3\" (20 pcs) Flat Countersunk Head Socket Head Cap Screws, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Socket Drive, Full Thread, Coarse Thread UNC","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAllen Hex Drive Size: 3\/16 inch; Package: 20 PCS 5\/16-18 x 3\" Flat Head Socket Cap Screws\u003c\/li\u003e\n\u003cli\u003eScrew Length: 3 inch or 75mm (including the height of the flat head); Diameter of the head: 0.656 inch (max); height of the head:0.198 inch (max);\u003c\/li\u003e\n\u003cli\u003eCountersunk 82+-2 degree; Thread Size: 5\/16-18; Thread Pitch: 18 TPI Coarse Thread UNC; Outside Diameter of the Head: approximately 0.6-0.656 inch\u003c\/li\u003e\n\u003cli\u003eIdeal for use in confined areas where the head needs to be flush or below the surface.\u003c\/li\u003e\n\u003cli\u003eThe high quality 10.9 grade alloy steel provide perfect strength and good corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePackage Included: 20 PCS x 5\/16-18 x 3\" Flat Head Socket Cap Screws  Specification Thread Size:5\/16-18 UNC  Thread Pitch: 18 TPI  Screw Length: 3\"  Color: Black  Material: Grade 10.9 Alloy Steel About Flat Head Socket Cap Screws Flat head socket cap screws have a flat top that tapers down to a cone shape that will sit flush into a countersunk hole and give a finished appearance. They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on and serves a wide range of use for professionals, amateurs, landlords, repairmen and DIYers. The high quality alloy steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance. Note The flat head socket cap screws length are measured from the top to the end of the thread and the thread length is the overall length minus the height of the head.  Contact Us: If you have any questions when using, please feel free to contact us by Amazon message.\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43358104027345,"sku":"BW-B08MZK3Q1P","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/51cIQNevAsL._SL1000.jpg?v=1790989319","url":"https:\/\/belmontwarehouse.com\/products\/5-16-18-x-3-20-pcs-flat-countersunk-head-socket-head-cap-screws-10-9-grade-alloy-steel-black-oxide-finish-allen-hex-socket-drive-full-thread-coarse-thread-unc","provider":"Belmont Warehouse","version":"1.0","type":"link"}