Countersunk Pure Copper Washer, M3 M4 M5 M6, CNC Washer for Bumper Washer Screws, 50-Pack (M4)

Description

• Made of pure copper; resistant to moisture and oxidation, corrosion-resistant, and durable.
• Standard concentricity with a smooth, concentric outer surface.
• Available in four sizes: M3, M4, M5, and M6; lightweight and easy to install and use.
• Precisely matched design with a large bolt-bearing outer surface for a tighter lock.
• Suitable for installation on many different materials.

Specifications: Item type: Countersunk washer Material: Pure copper Model | Approx. inner diameter | Approx. outer diameter | Approx. thickness | Countersink angle | Approx. individual weight: M3: 3.1 mm / 0.1 in, 7.9 mm / 0.3 in, 2.05 mm / 0.1 in, 90, 0.52 g / 0.02 oz M4: 4.1 mm / 0.2 in, 9.9 mm / 0.4 in, 2.5 mm / 0.1 in, 90, 0.88 g / 0.03 oz M5: 5.1 mm / 0.2 in, 11.9 mm / 0.5 in, 3.2 mm / 0.1 in, 90, 1.63 g / 0.06 oz M6: 6.1 mm / 0.2 in, 13.9 mm / 0.5 in, 3.5 mm / 0.1 in, 90, 2.35 g / 0.08 oz Package contents: 50 x countersunk washers

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