Description
Hex Nuts Grade 2 Zinc NC
- Zinc plated to meet ASTM Specification B633, Class SC4, Type 1.
- Used in conjunction with low carbon bolts and screws that are not treated.
- Formed from Grade 2 steel.
- Rockwell Hardness ranges from B68-C32.
- THREADS are Unified Standard, Class 2B fit.
- DIMENSIONS are to ANSI Standard , B18.2.2 latest series
