U.N.C. (Unified National Coarse)

14 thread count / Coarse Thread *SAE GRADE 5 BOLT / STEEL - FOR EXTRA STRENGTH *Bright Zinc Chromate Plated - Made to the dimensional requirements of I.F.I. Standard Hex. For critical applications requiring greater fastener strength.

Nylon Insert - Imperial - UNC (Coarse) Thread - Zinc Plated - Carbon Steel - For resisting loosening under vibrations and torque

METRIC - Standard Type - NC Thread - Class 8.8 Steel - DIN 934 - High Tensile - Heat Treated - 800 N/mm²=115,000 PSI - Zinc Plated 

Nylon Insert - Imperial - UNC (Coarse) Thread - 18.8 Stainless Steel - For resisting loosening under vibrations and torque

18 thread count / Coarse Thread *SAE GRADE 5 BOLT / STEEL - FOR EXTRA STRENGTH *Bright Zinc Chromate Plated - Made to the dimensional requirements of I.F.I. Standard Hex. For critical applications requiring greater fastener strength.