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Meets torque requirements for IFI 100/107 Grade B (unified) and ANSI B18.16.1M (metric) locknuts.
Type H is for use in sheet hardness HRB 80 or less on the Rockwell “B” scale.
Type HNL are for use in sheet hardness HRB 60 or less on the Rockwell “B” scale.

Unit of Measure

Specifications

Thread Size	N/A M8 x 1.25
Type	N/A Self-Locking HNL
Thread Code	N/A M8
A (Shank) Max.	N/A 1.48 mm
Min. Sheet Thickness	N/A 1.48 mm
Hole Size in Sheet + 0.13	N/A 10.5 mm
C Max.	N/A 10.47 mm
E ± 0.25	N/A 14.6 mm
T2 ± 0.25	N/A 6.3 mm
Min. Dist. Hole C/L to Edge	N/A 11 mm
Thread Specification	N/A ANSI B18.16.1M
Fastener Material	N/A Carbon Steel
Material Finish	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless plus sealant/lubricant
For Use in Sheet Hardness	N/A HRB 60 / HB 107 or Less
CAD Supplier	N/A PennEngineering® (PEM®)