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DETAILS
DESCRIPTION
SAE approved alloy coil spring steel. Zinc; yellow dichromate plating for corrosion resistance. Tempered for non-linking positive locking. Greater resistance to high temperature. Greater resistance to loosening from vibration. Alloy Lock Washers for use with Grade 8 fasteners. Tighter assemblies due to greater bolt tension per unit of torque.
Highlights:
- Size: 5/16"
- ASME B18.21.1 approved
- ASTM B633 Type II SC1
- Not brittle at low temperature
- Pack of 500