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Online literature contains the most current information available.
Type CLA aluminum nuts are recommended for use in aluminum sheet with a hardness of HRB 50 or less on the Rockwell “B” scale.

Unplated threads are sized to accept a basic go gauge after .00025” plating.
Unit of Measure

Thread Size x Pitch

N/A M5 x 0.8

Thread Code

N/A M5

Shank Code

N/A 1

A (Shank) Max.

N/A 0.98 mm a1383.jpg
Min. Sheet Thickness1 N/A 1 mm

Hole Size in Sheet + 0.08

N/A 7.52 mm

C Max.

N/A 7.49 mm

E ± 0.25

N/A 9.4 mm

T ± 0.25

N/A 3.80 mm
Min. Dist. Hole C/L to Edge2 N/A 7.9 mm
For Use in Sheet Hardness3 N/A HRB 50 / HB 82 or Less

Thread Specification

N/A Internal, ASME B1.13M, 6H

Fastener Material

N/A Aluminum

Standard Finish

N/A None
  • 1 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.
  • 2 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 3 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.