Medium Carbon Steel

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.

ISO Metric *Property Class 8.8 / MEDIUM CARBON STEEL - Quenched & Tempered *Bright Zinc Chromate Plated - Made to DIN 13 (ISO Metric Specs)

ISO Metric *Property Class 8.8 / MEDIUM CARBON STEEL - Quenched & Tempered *Bright Zinc Chromate Plated - Made to DIN 13 (ISO Metric Specs)

Bare / No Finish - ASTM F436 - For various functions when assembled between the bearing surface of a fastener and the part being attached