Specification Brand : HSCRSTAR BulletPoint1 : 1. Material: T2 Red copper BulletPoint2 : 2. Size: mm. Please refer to the attached figure for detailed dimensions of the product BulletPoint3 : M8 head thickness 5.54-5.26 hexagonal opposite side 13.0-12.77 BulletPoint4 : M10 head thickness 6.69-6.38 hexagonal across flats 17.0-16.72 M12 head thickness 7.79-7.41 hexagonal opposite side 19.0-18.58 BulletPoint5 : M14 head thickness 9.09-8.51 hexagonal opposite side 22.0-21.16 M16 head thickness10.29-9.71 hexagonal opposite side 24-23.16 Color : Red ExteriorFinish : T2 Red copper ItemName : HSCRSTAR M12x80mm 1set T2 Pure Copper Hexagonal Screw Bolt, nut Washer, Conductive red Copper Conductive Bolt ItemPackageDimensions_Height : 10 millimeters ItemPackageDimensions_Length : 120 millimeters ItemPackageDimensions_Width : 100 millimeters ItemTypeKeyword : hardware-nut-and-bolt-sets Manufacturer : shitong Material : T2 Red copper PartNumber : STZ012 ProductDescription : 1. Standard hexagonal, easy to use, increases work efficiency. 2. Deep thread, uniform pitch, stable force, and good tightening force. 3. The surface is flat and smooth without burrs, with high-quality workmanship and quality assurance. 4、Introducing our T2 Purple Copper Hex Screw Set! This set includes everything you need for your construction projects, including purple copper screws, washers, and nuts in various sizes from M3 to M16. 5、Crafted from high-quality purple copper, these screws offer exceptional durability and resistance to corrosion. Their unique hex shape ensures a secure grip and easy installation, saving you time and hassle on your projects. 6、Whether you're building furniture, installing hardware, or working on other DIY projects, our T2 Purple Copper Hex Screw Set is the perfect choice. With its comprehensive assortment of sizes and exceptional quality, it's the best value for your money. Buy now and experience the difference in your projects!