SL Lock Nuts

973-674-1700Standoffs, Spacers, Captive, Swage, Male Female Standoffs, Jack Screws, Male Male Standoffs, Handles, Thumb Screws, Thumbscrews, Shoulder Screws, Insulating Washers, Electronic Hardware.

Home Search Order Quote Cross Catalog Reps Technical Terms Distributors About Us Contact Us

Lock Nuts SL-U

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

UNICORP Electronic Hardware Self-Clinching Fasteners - Lock Nuts SL

• Self-clinching • Self-locking • Installed quickly and easily

American Standard Sizes: • Series SL-U

Metric Sizes: • Series SL-U

Series SL-U

Series SL-U / American Standard Sizes

• Shape- Round • Sheet Hardness- HRB 80 / HB 150 or Less • Material- Heat-Treated Carbon Steel • Finish- Zinc Clear Plated per ASTM B633 • Mil-Spec- N/A
					Series SL-U American Standard Sizes (SAE)

Part
Number

Thread

"A"
(Shank)
Max.

"T"
Head
Height

"E"
Head
Diameter

"C"
Body
Diameter

Min.
Sheet
Thickness

Hole
Size in
Sheet

Min.
Distance
to Edge

SL-440-1ZI-U

4-40

0.038"

0.070"

0.250"

0.165"

0.040"

0.166"

0.190"

SL-632-1ZI-U

6-32

0.038"

0.070"

0.280"

0.187"

0.040"

0.188"

0.220"

SL-832-1ZI-U

8-32

0.038"

0.090"

0.310"

0.212"

0.040"

0.213"

0.270"

SL-032-1ZI-U

10-32

0.038"

0.090"

0.340"

0.249"

0.040"

0.250"

0.280"

SL-0420-1ZI-U

1/4-20

0.054"

0.170"

0.440"

0.343"

0.056"

0.344"

0.340"

SL-0518-1ZI-U

5/16-18

0.054"

0.230"

0.500"

0.412"

0.056"

0.413"

0.380"

SL-440-2ZI-U

4-40

0.054"

0.070"

0.250"

0.165"

0.056"

0.166"

0.190"

SL-632-2ZI-U

6-32

0.054"

0.070"

0.280"

0.187"

0.056"

0.188"

0.220"

SL-832-2ZI-U

8-32

0.054"

0.090"

0.310"

0.212"

0.056"

0.213"

0.270"

SL-032-2ZI-U

10-32

0.054"

0.090"

0.340"

0.249"

0.056"

0.250"

0.280"

SL-0420-2ZI-U

1/4-20

0.087"

0.170"

0.440"

0.343"

0.091"

0.344"

0.340"

SL-0518-2ZI-U

5/16-18

0.087"

0.230"

0.500"

0.412"

0.091"

0.413"

0.380"

Series SL-U / Metric Sizes

• Shape- Round • Sheet Hardness- HRB 80 / HB 150 or Less • Material- Heat-Treated Carbon Steel • Finish- Zinc Clear Plated per ASTM B633 • Mil-Spec- N/A
	Series SL-U Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

"T"
Head
Height

"E"
Head
Diameter

"C"
Body
Diameter

Min.
Sheet
Thickness

Hole
Size in
Sheet

Min.
Distance
to Edge

SL-M3-1ZI-U

M3 x 0.5

0.98
mm

1.50
mm

6.35
mm

4.20
mm

1.00
mm

4.22
mm

4.80
mm

SL-M3.5-1ZI-U

M3.5 x 0.6

0.98
mm

1.50
mm

7.11
mm

4.73
mm

1.00
mm

4.75
mm

5.60
mm

SL-M4-1ZI-U

M4 x 0.7

0.98
mm

2.00
mm

7.87
mm

5.38
mm

1.00
mm

5.41
mm

6.90
mm

SL-M5-1ZI-U

M5 x 0.8

0.98
mm

2.00
mm

8.64
mm

6.33
mm

1.00
mm

6.35
mm

7.10
mm

SL-M6-1ZI-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

SL-M8-1ZI-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

SL-M3-2ZI-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

SL-M3.5-2ZI-U

M3.5 x 0.6

1.38
mm

1.50
mm

7.11
mm

4.73
mm

1.40
mm

4.75
mm

5.60
mm

SL-M4-2ZI-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

SL-M5-2ZI-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

SL-M6-2ZI-U

M6 x 1.0

2.21
mm

4.08
mm

11.18
mm

8.73
mm

2.30
mm

8.75
mm

8.60
mm

SL-M8-2ZI-U

M8 x 1.25

2.21
mm

5.47
mm

12.70
mm

10.47
mm

2.30
mm

10.50
mm

9.70
mm

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.

291 Cleveland St, Orange, New Jersey 07050  USA
Mailing Address:  P.O. Box 280, Orange, New Jersey 07051-0280  USA

Feedback I Legal Notice I Copyright  I Services I Jobs I Contact Us I Email Us I Privacy Statement
Copyright©2020, Unicorp Inc., unicorpinc.com or its affiliates