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Identification markings
Metric hex head, flange hex head and carriage bolts, Classes (CL) 5.6 and upward
1. Manufacturer's identification
2. Property class
Metric hex nuts and locknuts, Classes (CL) 05 and upward
• (1) – Manufacturer's identification
• (3) – Property class
• (2) – Clockwise type markings indicate property class and may include manufacturer identification (if applied),
Example: property marks 240 ° apart (shown) at the eight o'clock position indicate a Class 8 property, and marks
300 ° apart at the ten o'clock position indicate a Class 10 property.
INTRODUCTION
NHIL14RB00662AA
Metric bolt identification markings
NHIL14RB00663AA
Metric hex nut identification markings
47816352 10/12/2014
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