20 x 7.5 x 5mm Spring Alloy Coil Stamping Heated Bed Compression Printer Die Spring for 3D Printer Extruder DIY Accessories Spring

• Wire diameter: 1.2MM; outer diameter: 7.5MM; inner diameter: 5MM; height: 20MM; total 9 turns
• It is made of 45 carbon steel with excellent elasticity and fatigue resistance.
• Nickel-plated surface for better corrosion resistance and surface hardness.

Wire diameter: 1.2MM; outer diameter: 7.5MM; inner diameter: 5MM; height: 20MM; total 9 turns. This Printer Die Spring is widely used in the printer punching molds, metal die-casting molds, plastic injection molds and mechanical equipment with rigid structure. It is made of 45 carbon steel with excellent elasticity and fatigue resistance. Nickel-plated surface for better corrosion resistance and surface hardness. Free length: 20mm/0.8″; Color : silver ,Package Content : 20 x printer die spring