Die Springs Pack Of 20 For 3D Printer And Electric Parts 8mm Outer Diameter 30mm Long Blue Dope Light Load Spiral Mould Die Springs For Gentle Compression And Stamp Tooling In Projects Durable Spring Steel With Closed Rectangular Section

Blue 8mm Die Springs for 3D Printers, 20pc, 30mm length
✔️ 20pcs blue die springs, 8mm OD, 30mm length, 40% compression

These compression die springs are light-load springs with a closed-end, rectangular profile for tight spaces in die tooling, plastic injection equipment, and 3D printer parts. The blue-painted spring steel design offers durability and resistance to rust in busy workshop environments.

✅ Outer diameter 8 mm (0.31"), inner diameter 4 mm (+0.5 mm tolerance)
✅ Free length 30 mm (1.18") +/- 2 mm
✅ Max compression rate 40%
✅ Maximum load 98.1 N
✅ Material: Spring steel; Surface: blue paint
✅ Color: Blue; Load type: Light Load
✅ Rectangular section, closed-end design
✅ Pack content: 20 pieces

💡 What is a compression die spring used for in stamping and tooling?

This handy piece provides reliable, gentle compression in dies, molding, and printer assemblies. - Used to maintain consistent pressure during multiple cycles - Absorbs shock and reduces wear in repeated tooling - Blue-painted spring steel offers corrosion resistance in light-load apps