M1.5 To M6 Spring Type Straight Pins 20mm Long 65Mn Carbon Steel Black Zinc Coated Pro Grade Heavy Duty Cotter Pins Dowel Pins For Automotive Agricultural Industrial Use Includes M1.5 M2 M3 M4 M5 M6 M8 Sizes

Heavy Duty Cotter Pins Set M1.5 to M8 20mm 65Mn Black Zinc
✔️ Includes M1.5 to M8 sizes, 20 mm long, carbon steel, black zinc

These spring type straight pins provide strong shaft fastenings for automotive, agricultural, and industrial equipment. Sized from M1.5 to M8 with a 20 mm length, they use 65Mn carbon steel with a black zinc finish for durability and corrosion resistance.

✅ Size range: M1.5, M2, M2.5, M3, M4, M5, M6, M8
✅ Length: 20 mm
✅ Material: 65Mn carbon steel
✅ Surface: Black zinc coating
✅ Type: Spring type straight pins (cotter pins)
✅ Applications: Automotive, agricultural, industrial use
✅ Pack: set of 8 sizes (M1.5 to M8)

💡 What is a cotter pin used for in mechanical assemblies?

Cotter pins are handy fasteners that lock components in place during operation.
- They secure wheels, pulleys, and linkage on shafts
- They resist loosening under vibration while allowing easy maintenance
- They come in metric sizes M1.5 to M8 with 20 mm length
- They are made from 65Mn carbon steel with a black zinc finish for durability