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Standard Nuts  CLA-U

Self Clinching Fasteners  •  Nuts For Sheet Metal
American Standard (Inches) & Metric Sizes
• Self-clinching     • Used as load-bearing threads in stainless steel panels
• High push-out and torque resistance     • Installed quickly and easily by squeezing
American Standard Sizes:   • Series CLA-U
Metric Sizes:   • Series CLA-U
Series  CLA-U
Series  CLA-U  /  American Standard Sizes
      • Shape-  Round
      • Sheet Hardness-  HRB 50 / HB 82 or Less
      • Material-  Aluminum
      • Finish-  None
Series CLA-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Height
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
CLA-256-1-U 2-56 0.038" 0.070" 0.250" 0.165" 0.040" 0.166" 0.190" M45938/1-2A
CLA-256-2-U 2-56 0.054" 0.070" 0.250" 0.165" 0.056" 0.166" 0.190" N/A
 
CLA-440-1-U 4-40 0.038" 0.090" 0.250" 0.187" 0.040" 0.188" 0.220" M45938/1-6A
CLA-440-2-U 4-40 0.054" 0.090" 0.250" 0.187" 0.056" 0.188" 0.220" M45938/1-7A
 
CLA-632-1-U 6-32 0.038" 0.090" 0.280" 0.212" 0.040" 0.213" 0.270" M45938/1-10A
CLA-632-2-U 6-32 0.054" 0.090" 0.280" 0.212" 0.056" 0.213" 0.270" M45938/1-11A
 
CLA-832-1-U 8-32 0.038" 0.130" 0.310" 0.233" 0.040" 0.234" 0.280" M45938/1-14A
CLA-832-2-U 8-32 0.054" 0.130" 0.310" 0.233" 0.056" 0.234" 0.280" M45938/1-15A
 
CLA-024-1-U 10-24 0.038" 0.160" 0.370" 0.295" 0.040" 0.296" 0.310" N/A
CLA-024-2-U 10-24 0.054" 0.160" 0.370" 0.295" 0.056" 0.296" 0.310" N/A
 
CLA-032-1-U 10-32 0.038" 0.160" 0.370" 0.295" 0.040" 0.296" 0.310" N/A
CLA-032-2-U 10-32 0.054" 0.160" 0.370" 0.295" 0.056" 0.296" 0.310" M45938/1-18A
 
CLA-0420-1-U 1/4-20 0.054" 0.170" 0.440" 0.343" 0.056" 0.344" 0.340" M45938/1-27A
CLA-0420-2-U 1/4-20 0.087" 0.170" 0.440" 0.343" 0.091" 0.344" 0.340" M45938/1-28A
CLA-0420-3-U 1/4-20 0.120" 0.170" 0.440" 0.343" 0.125" 0.344" 0.340" M45938/1-29A
Series  CLA-U  /  Metric Sizes
      • Shape-  Round
      • Sheet Hardness-  HRB 50 / HB 82 or Less
      • Material-  Aluminum
      • Finish-  None
Series CLA-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Height
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
CLA-M2-1-U M2 x 0.4 0.98
mm
1.50
mm
6.30
mm
4.22
mm
1.00
mm
4.25
mm
4.80
mm
N/A
CLA-M2-2-U M2 x 0.4 1.38
mm
1.50
mm
6.30
mm
4.22
mm
1.40
mm
4.25
mm
4.80
mm
N/A
 
CLA-M3-1-U M3 x 0.5 0.98
mm
2.00
mm
6.30
mm
4.73
mm
1.00
mm
4.75
mm
5.60
mm
N/A
CLA-M3-2-U M3 x 0.5 1.38
mm
2.00
mm
6.30
mm
4.73
mm
1.40
mm
4.75
mm
5.60
mm
N/A
 
CLA-M3.5-1-U M3.5 x 0.6 0.98
mm
2.00
mm
7.10
mm
5.38
mm
1.00
mm
5.40
mm
6.90
mm
N/A
CLA-M3.5-2-U M3.5 x 0.6 1.38
mm
2.00
mm
7.10
mm
5.38
mm
1.40
mm
5.40
mm
6.90
mm
N/A
 
CLA-M4-1-U M4 x 0.7 0.98
mm
3.00
mm
7.90
mm
5.97
mm
1.00
mm
6.00
mm
7.10
mm
N/A
CLA-M4-2-U M4 x 0.7 1.38
mm
3.00
mm
7.90
mm
5.97
mm
1.40
mm
6.00
mm
7.10
mm
N/A
 
CLA-M5-1-U M5 x 0.8 0.98
mm
3.80
mm
9.50
mm
7.47
mm
1.00
mm
7.50
mm
7.90
mm
N/A
CLA-M5-2-U M5 x 0.8 1.38
mm
3.80
mm
9.50
mm
7.47
mm
1.40
mm
7.50
mm
7.90
mm
N/A
 
CLA-M6-1-U M6 x 1.0 1.38
mm
4.08
mm
11.05
mm
8.72
mm
1.40
mm
8.75
mm
8.60
mm
N/A
CLA-M6-2-U M6 x 1.0 2.21
mm
4.08
mm
11.05
mm
8.72
mm
2.30
mm
8.75
mm
8.60
mm
N/A

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UNICORP is a leader in manufacturing stock and custom
electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.


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Mailing Address:  P.O. Box 280,  Orange,  New Jersey  07051-0280  USA

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