50PCs New 3D Printer Accessories Extrusion Spring Nickel Plating 1.2mm Mechanical Keyboard Shaft Spring Modification
Specifications:
Material:Alloy
Style:Drum
Usage:Industrial
DIY Supplies:Woodworking
Load Type:Compression
Diameter of string: 1.2 mm
Outside diameter: 7.5 mm
Inner diameter: 5 m
Height: 20 mm
Features:
1. 9 laps in total.
2. Use 45 carbon steel (a good material for making springs, better than stainless steel, manganese steel, etc.), with elasticity and fatigue resistance.
3. Nickel-plated surface, better corrosion resistance and surface hardness.
