{"product_id":"hillman-m8-1-25-mm-d-x-40-mm-l-heat-treated-steel-hex-head-cap-screw","title":"HILLMAN M8-1.25 mm D X 40 mm L Heat Treated Steel Hex Head Cap Screw","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eHillman M8 x 40 mm Heat Treated Hex Head Cap Screw\u003c\/strong\u003e is engineered for strength, reliability, and precise performance in metric assemblies. Crafted from robust steel and subjected to heat treatment, this fastener delivers elevated hardness and a long service life in demanding projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and treatment:\u003c\/strong\u003e heat-treated steel that enhances hardness and wear resistance, helping bolts resist deformation under load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGrade:\u003c\/strong\u003e 8.8, delivering high tensile strength for secure clamping in structural, mechanical, and equipment installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and threading:\u003c\/strong\u003e coarse M8 x 1.25 mm thread for quick, confident engagement in tapped holes or with compatible nuts, ideal for rapid assembly and disassembly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead and drive:\u003c\/strong\u003e hex head designed for common wrenches and sockets, providing solid torque transfer and straightforward installation—even in tight or hard-to-reach spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 40 mm overall length with a standard hex head to fit a wide range of projects and components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e 50-piece box, giving you ample supply for bulk jobs, shop inventories, or ongoing maintenance kits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e perfect for machinery mounting, metal or wooden framing, furniture assembly, automotive brackets, and other metric fastener needs where a strong, durable screw is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation tips:\u003c\/strong\u003e pair with a compatible nut or tapped hole and a washer for load distribution; avoid over-tightening to protect threads and ensure consistent clamping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis screw stands out by merging Hillman’s trusted engineering with a heat-treated Grade 8.8 steel core, delivering ready-to-use strength that resists loosening under vibration and heavy use. It’s an excellent choice for professionals and serious DIYers who demand predictable performance from a metric fastener.\u003c\/p\u003e \u003cp\u003eIdeal for: metal fabrication shops, carpentry and framing projects, equipment mounts, and any build requiring a reliable M8 fastener. If you’re stocking up on metric hardware, this 50-piece box of Hillman M8 x 40 mm hex head cap screws offers a ready-for-use solution that blends strength, durability, and practical design.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Hillman","offers":[{"title":"Default Title","offer_id":52197929287954,"sku":"5167861","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/5167861_A.eps_High.jpg?v=1776205408","url":"https:\/\/nationalhardwaregroup.com\/products\/hillman-m8-1-25-mm-d-x-40-mm-l-heat-treated-steel-hex-head-cap-screw","provider":"National Hardware Group","version":"1.0","type":"link"}