SP Standard Nuts

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Standard Nuts SP-U

Self Clinching Fasteners • Nuts For Sheet Metal
American Standard (Inches) & Metric Sizes

UNICORP Electronic Hardware Self-Clinching Fasteners - Standard Nuts S, SS, CLS, CLSS, SP, CLA

• 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 SP-U

Metric Sizes: • Series SP-U

Series SP-U

Series SP-U / American Standard Sizes

• Shape- Round • Sheet Hardness- HRB 90 / HB 185 or Less • Material- Age Hardened A286 Stainless Steel • Finish- Passivated per ASTM A380
	Series SP-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

SP-256-0-U

2-56

0.030"

0.070"

0.250"

0.165"

0.030"

0.166"

0.190"

N/A

SP-256-1-U

2-56

0.038"

0.070"

0.250"

0.165"

0.040"

0.166"

0.190"

N/A

SP-256-2-U

2-56

0.054"

0.070"

0.250"

0.165"

0.056"

0.166"

0.190"

N/A

SP-440-0-U

4-40

0.030"

0.070"

0.250"

0.165"

0.030"

0.166"

0.190"

N/A

SP-440-1-U

4-40

0.038"

0.070"

0.250"

0.165"

0.040"

0.166"

0.190"

N/A

SP-440-2-U

4-40

0.054"

0.070"

0.250"

0.165"

0.056"

0.166"

0.190"

N/A

SP-632-0-U

6-32

0.030"

0.070"

0.280"

0.187"

0.030"

0.188"

0.220"

N/A

SP-632-1-U

6-32

0.038"

0.070"

0.280"

0.187"

0.040"

0.188"

0.220"

N/A

SP-632-2-U

6-32

0.054"

0.070"

0.280"

0.187"

0.056"

0.188"

0.220"

N/A

SP-832-0-U

8-32

0.030"

0.090"

0.310"

0.212"

0.030"

0.213"

0.270"

N/A

SP-832-1-U

8-32

0.038"

0.090"

0.310"

0.212"

0.040"

0.213"

0.270"

N/A

SP-832-2-U

8-32

0.054"

0.090"

0.310"

0.212"

0.056"

0.213"

0.270"

N/A

SP-024-0-U

10-24

0.030"

0.090"

0.340"

0.249"

0.030"

0.250"

0.280"

N/A

SP-024-1-U

10-24

0.038"

0.090"

0.340"

0.249"

0.040"

0.250"

0.280"

N/A

SP-024-2-U

10-24

0.054"

0.090"

0.340"

0.249"

0.056"

0.250"

0.280"

N/A

SP-032-0-U

10-32

0.030"

0.090"

0.340"

0.249"

0.030"

0.250"

0.280"

N/A

SP-032-1-U

10-32

0.038"

0.090"

0.340"

0.249"

0.040"

0.250"

0.280"

N/A

SP-032-2-U

10-32

0.054"

0.090"

0.340"

0.249"

0.056"

0.250"

0.280"

N/A

SP-0420-0-U

1/4-20

0.045"

0.170"

0.440"

0.343"

0.047"

0.344"

0.340"

N/A

SP-0420-1-U

1/4-20

0.054"

0.170"

0.440"

0.343"

0.056"

0.344"

0.340"

N/A

SP-0420-2-U

1/4-20

0.087"

0.170"

0.440"

0.343"

0.090"

0.344"

0.340"

N/A

SP-0518-1-U

5/16-18

0.054"

0.230"

0.500"

0.412"

0.056"

0.413"

0.380"

N/A

SP-0518-2-U

5/16-18

0.087"

0.230"

0.500"

0.412"

0.090"

0.413"

0.380"

N/A

SP-0524-1-U

5/16-24

0.054"

0.230"

0.500"

0.412"

0.056"

0.413"

0.380"

N/A

SP-0524-2-U

5/16-24

0.087"

0.230"

0.500"

0.412"

0.090"

0.413"

0.380"

N/A

SP-0616-1-U

3/8-16

0.087"

0.270"

0.560"

0.499"

0.090"

0.500"

0.440"

N/A

SP-0616-2-U

3/8-16

0.120"

0.270"

0.560"

0.499"

0.125"

0.500"

0.440"

N/A

SP-0624-1-U

3/8-24

0.087"

0.270"

0.560"

0.499"

0.090"

0.500"

0.440"

N/A

SP-0624-2-U

3/8-24

0.120"

0.270"

0.560"

0.499"

0.125"

0.500"

0.440"

N/A

Series SP-U / Metric Sizes

• Shape- Round • Sheet Hardness- HRB 90 / HB 185 or Less • Material- Age Hardened A286 Stainless Steel • Finish- Passivated per ASTM A380
	Series SP-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

SP-M3-0-U

M3 x 0.5

0.77
mm

1.50
mm

6.35
mm

4.20
mm

0.80
mm

4.22
mm

4.80
mm

N/A

SP-M4-0-U

M4 x 0.7

0.77
mm

2.00
mm

7.87
mm

5.38
mm

0.80
mm

5.41
mm

6.90
mm

N/A

SP-M5-0-U

M5 x 0.8

0.77
mm

2.00
mm

8.64
mm

6.33
mm

0.80
mm

6.35
mm

7.10
mm

N/A

SP-M3-1-U

M3 x 0.5

0.97
mm

1.50
mm

6.35
mm

4.20
mm

1.00
mm

4.22
mm

4.80
mm

N/A

SP-M4-1-U

M4 x 0.7

0.97
mm

2.00
mm

7.87
mm

5.38
mm

1.00
mm

5.41
mm

6.90
mm

N/A

SP-M5-1-U

M5 x 0.8

0.97
mm

2.00
mm

8.64
mm

6.33
mm

1.00
mm

6.35
mm

7.10
mm

N/A

SP-M6-1-U

M6 x 1.0

1.38
mm

4.08
mm

11.18
mm

8.73
mm

1.40
mm

8.75
mm

8.60
mm

N/A

SP-M8-1-U

M8 x 1.25

1.38
mm

5.47
mm

12.70
mm

10.47
mm

1.40
mm

10.50
mm

9.70
mm

N/A

SP-M10-1-U

M10 x 1.5

2.21
mm

7.48
mm

17.35
mm

13.97
mm

2.29
mm

14.00
mm

13.50
mm

N/A

SP-M3-2-U

M3 x 0.5

1.38
mm

1.50
mm

6.35
mm

4.20
mm

1.40
mm

4.22
mm

4.80
mm

N/A

SP-M4-2-U

M4 x 0.7

1.38
mm

2.00
mm

7.87
mm

5.38
mm

1.40
mm

5.41
mm

6.90
mm

N/A

SP-M5-2-U

M5 x 0.8

1.38
mm

2.00
mm

8.64
mm

6.33
mm

1.40
mm

6.35
mm

7.10
mm

N/A

SP-M6-2-U

M6 x 1.0

2.21
mm

4.08
mm

11.18
mm

8.73
mm

2.29
mm

8.75
mm

8.60
mm

N/A

SP-M8-2-U

M8 x 1.25

2.21
mm

5.47
mm

12.70
mm

10.47
mm

2.29
mm

10.50
mm

9.70
mm

N/A

UNICORP Electronic Hardware - Self Clinching Fasteners

Phone: 973-674-1700 Toll Free: 1-800-526-1389 Fax: 973-674-3803

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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