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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

N/A .138-32 (#6-32)

Thread Code

N/A 632
Shank Code1 N/A 2

A (Shank) Max.

N/A .054 in a1383_1.jpg
Min. Sheet Thickness2 N/A .056 in

Hole Size in Sheet + .003 - .000

N/A .213 in

C Max.

N/A .212 in

E ± .010

N/A .280 in

T ± .010

N/A .090 in
Min. Dist. Hole C/L to Edge3 N/A .27 in
For Use in Sheet Hardness4 N/A HRB 50 / HB 82 or Less

Thread Specification

N/A Internal, ASME B1.1, 2B

Fastener Material

N/A Aluminum

Standard Finish

N/A None

CAD Supplier

N/A PennEngineering® (PEM®)

Inventory

N/A {0}
  • 1 Other shank and screw lengths available.
  • 2 For maximum performance, we recommend that you use the maximum shank length for your sheet thickness.
  • 3 To minimize sheet distortion and maximize product performance, use a centerline-to-edge value greater or equal to the value specified.
  • 4 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.