Specification Brand : YOUTHINK BulletPoint1 : [PREMIUM PURE COPPER MATERIAL] Made of pure copper, these screw washers are to rot, , and oxidation. BulletPoint2 : [PRECISE MATCHING DESIGN] Ensures a tight lock and large bearing exterior for enhanced security. BulletPoint3 : [WIDE APPLICATION] Can be installed on various materials, making them versatile for different projects. BulletPoint4 : [SMALL YET ] Small size and lightweight for easy installation without compromising on strength. BulletPoint5 : [STANDARD CONCENTRICITY] Smooth exterior with concentric design for a professional finish. Color : Black IncludedComponents : Cups ItemName : Countersunk Screw Washer Pure Copper Gasket for CNC Industrial Supplies 50Pcs Pack (M4) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : countersunk-washers Manufacturer : YOUTHINK Material : Nylon ModelName : Youthinkm647qsgx5g-12 ModelNumber : YOUTHINKm647qsgx5g-12 NumberOfItems : 1 PartNumber : YOUTHINKm647qsgx5g-12 ProductDescription : 1. These screw washers have standard concentricity, smoothly exterior, concentric. 2. This screw washer is precisely matched, and the bearing exterior of the Screw/Fastener is large, and the lock is firmer. 3. The countersunk head screw gasket is made of pure copper, which is not easy to rot, , and oxidation. 4. These screw washers are small in size, light in weight and easy to install and use. 5. Can be installed on many different types of materials. Wide range of applications.
Specification: Item Type: Countersunk Screw Washer Material: Pure Copper Model Inner Diameter Approx. Outer Diameter Approx. Thickness Approx. Counterbore Angle Single Weight Approx. M3 3.1mm / 0.1in 7.9mm / 0.3in 2.05mm / 0.1in 90° 0.52 g / 0.02 oz M4 4.1mm / 0.2in 9.9mm / 0.4in 2.5mm / 0.1in 90° 0.88 g / 0.03 oz M5 5.1mm / 0.2in 11.9mm / 0.5in 3.2mm / 0.1in 90° 1.63 g / 0.06 oz M6 6.1mm / 0.2in 13.9mm / 0.5in 3.5mm / 0.1in 90° 2.35 g / 0.08 oz