LAS LAC LA4 Locking Thread Floating Nuts

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Locking Thread Floating Nuts LAS-U, LAC-U, LA4-U

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

UNICORP Electronic Hardware Self-Clinching Fasteners - Locking Thread Floating Nuts LAS, LAC, LA4

• Self-clinching     • Self-locking threads     • Load bearing threads
• Installed quickly and easily by squeezing into prepared holes     • Provides torque for mating screw     • Sheet is flush
• Fastener is permanently installed     • Offsets mating hole misalignments to 0.030"/ 0.8 mm

American Standard Sizes: • Series LAS-U • Series LAC-U • Series LA4-U

Metric Sizes: • Series LAS-U • Series LAC-U • Series LA4-U

Series LAS-U

Series LAS-U / American Standard Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.015" min. in all directions from center, 0.030" total
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Fastener Material-  Steel
      • Fastener Materials- Retainer-  Heat-Treated Carbon Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Zinc Clear Plated per ASTM B633
      • Nut Finish-  Black Dry-Film Lubricant

UNICORP Electronic Hardware Self-Clinching Fasteners - Locking Thread Floating Nuts LAS-U, LAC-U, LA4-U

Series LAS-U
American Standard Sizes
(SAE)

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LAS-440-1MD-U

4-40

0.038"

0.290"

0.289"

0.290"

0.360"

0.190"

0.300"

M45938/11-1L

LAS-632-1MD-U

6-32

0.038"

0.328"

0.327"

0.335"

0.390"

0.200"

0.320"

M45938/11-3L

LAS-832-1MD-U

8-32

0.038"

0.368"

0.367"

0.365"

0.440"

0.210"

0.340"

M45938/11-5L

LAS-024-1MD-U

10-24

0.038"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-7L

LAS-032-1MD-U

10-32

0.038"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-9L

LAS-440-2MD-U

4-40

0.054"

0.290"

0.289"

0.290"

0.360"

0.190"

0.300"

M45938/11-2L

LAS-632-2MD-U

6-32

0.054"

0.328"

0.327"

0.335"

0.390"

0.200"

0.320"

M45938/11-4L

LAS-832-2MD-U

8-32

0.054"

0.368"

0.367"

0.365"

0.440"

0.210"

0.340"

M45938/11-6L

LAS-024-2MD-U

10-24

0.054"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-8L

LAS-032-2MD-U

10-32

0.054"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-10L

LAS-0420-2MD-U

1/4-20

0.054"

0.515"

0.514"

0.510"

0.600"

0.310"

0.420"

M45938/11-11L

LAS-0428-2MD-U

1/4-28

0.054"

0.515"

0.514"

0.510"

0.600"

0.310"

0.420"

M45938/11-12L

Series LAS-U / Metric Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.38 mm min. in all directions from center, 0.76 mm total
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Fastener Material-  Steel
      • Fastener Materials- Retainer-  Heat-Treated Carbon Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Zinc Clear Plated per ASTM B633
      • Nut Finish-  Black Dry-Film Lubricant

Series LAS-U
Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LAS-M3-1MD-U

M3 x 0.5

0.97
mm

7.37
mm

7.35
mm

7.37
mm

9.14
mm

4.83
mm

7.62
mm

N/A

LAS-M4-1MD-U

M4 x 0.7

0.97
mm

9.35
mm

9.33
mm

9.28
mm

11.18
mm

5.34
mm

8.64
mm

N/A

LAS-M5-1MD-U

M5 x 0.8

0.97
mm

10.31
mm

10.29
mm

11.94
mm

6.86
mm

9.14
mm

N/A

LAS-M3-2MD-U

M3 x 0.5

1.38
mm

7.37
mm

7.35
mm

7.37
mm

9.14
mm

4.83
mm

7.62
mm

N/A

LAS-M4-2MD-U

M4 x 0.7

1.38
mm

9.35
mm

9.33
mm

9.28
mm

11.18
mm

5.34
mm

8.64
mm

N/A

LAS-M5-2MD-U

M5 x 0.8

1.38
mm

10.31
mm

10.29
mm

11.94
mm

6.86
mm

9.14
mm

N/A

LAS-M6-2MD-U

M6 x 1.0

1.38
mm

13.08
mm

13.06
mm

12.96
mm

15.24
mm

7.88
mm

10.67
mm

N/A

Series LAC-U

Series LAC-U / American Standard Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.015" min. in all directions from center, 0.030" total
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Fastener Material-  300 Series Stainless Steel
      • Fastener Materials- Retainer-  300 Series Stainless Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Passivated per ASTM A380
      • Nut Finish-  Black Dry-Film Lubricant

Series LAC-U
American Standard Sizes
(SAE)

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LAC-440-1MD-U

4-40

0.038"

0.290"

0.289"

0.290"

0.360"

0.190"

0.300"

M45938/11-1CL

LAC-632-1MD-U

6-32

0.038"

0.328"

0.327"

0.335"

0.390"

0.200"

0.320"

M45938/11-2CL

LAC-832-1MD-U

8-32

0.038"

0.368"

0.367"

0.365"

0.440"

0.210"

0.340"

M45938/11-3CL

LAC-024-1MD-U

10-24

0.038"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-4CL

LAC-032-1MD-U

10-32

0.038"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-5CL

LAC-440-2MD-U

4-40

0.054"

0.290"

0.289"

0.290"

0.360"

0.190"

0.300"

M45938/11-6CL

LAC-632-2MD-U

6-32

0.054"

0.328"

0.327"

0.335"

0.390"

0.200"

0.320"

M45938/11-7CL

LAC-832-2MD-U

8-32

0.054"

0.368"

0.367"

0.365"

0.440"

0.210"

0.340"

M45938/11-8CL

LAC-024-2MD-U

10-24

0.054"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-9CL

LAC-032-2MD-U

10-32

0.054"

0.406"

0.405"

0.470"

0.270"

0.360"

M45938/11-10CL

LAC-0420-2MD-U

1/4-20

0.054"

0.515"

0.514"

0.510"

0.600"

0.310"

0.420"

M45938/11-11CL

LAC-0428-2MD-U

1/4-28

0.054"

0.515"

0.514"

0.510"

0.600"

0.310"

0.420"

M45938/11-12CL

Series LAC-U / Metric Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.38 mm min. in all directions from center, 0.76 mm total
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Fastener Material-  300 Series Stainless Steel
      • Fastener Materials- Retainer-  300 Series Stainless Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Passivated per ASTM A380
      • Nut Finish-  Black Dry-Film Lubricant

Series LAC-U
Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LAC-M3-1MD-U

M3 x 0.5

0.97
mm

7.37
mm

7.35
mm

7.37
mm

9.14
mm

4.83
mm

7.62
mm

N/A

LAC-M4-1MD-U

M4 x 0.7

0.97
mm

9.35
mm

9.33
mm

9.28
mm

11.18
mm

5.34
mm

8.64
mm

N/A

LAC-M5-1MD-U

M5 x 0.8

0.97
mm

10.31
mm

10.29
mm

11.94
mm

6.86
mm

9.14
mm

N/A

LAC-M3-2MD-U

M3 x 0.5

1.38
mm

7.37
mm

7.35
mm

7.37
mm

9.14
mm

4.83
mm

7.62
mm

N/A

LAC-M4-2MD-U

M4 x 0.7

1.38
mm

9.35
mm

9.33
mm

9.28
mm

11.18
mm

5.34
mm

8.64
mm

N/A

LAC-M5-2MD-U

M5 x 0.8

1.38
mm

10.31
mm

10.29
mm

11.94
mm

6.86
mm

9.14
mm

N/A

LAC-M6-2MD-U

M6 x 1.0

1.38
mm

13.08
mm

13.06
mm

12.96
mm

15.24
mm

7.88
mm

10.67
mm

N/A

Series LA4-U

Series LA4-U / American Standard Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.015" min. in all directions from center, 0.030" total
      • Sheet Hardness-  HRB 88 / HB 183 or Less
      • Fastener Material-  400 Series Stainless Steel
      • Fastener Materials- Retainer-  400 Series Stainless Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Passivated per ASTM A380
      • Nut Finish-  Black Dry-Film Lubricant

Series LA4-U
American Standard Sizes
(SAE)

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LA4-440-1MD-U

4-40

0.038"

0.290"

0.289"

0.290"

0.360"

0.190"

0.300"

N/A

LA4-632-1MD-U

6-32

0.038"

0.328"

0.327"

0.335"

0.390"

0.200"

0.320"

N/A

LA4-832-1MD-U

8-32

0.038"

0.368"

0.367"

0.365"

0.440"

0.210"

0.340"

N/A

LA4-032-1MD-U

10-32

0.038"

0.406"

0.405"

0.470"

0.270"

0.360"

N/A

Series LA4-U / Metric Sizes

      • Shape-  Round
      • Thread Type-  Self-Locking
      • Float-  0.38 mm min. in all directions from center, 0.76 mm total
      • Sheet Hardness-  HRB 88 / HB 183 or Less
      • Fastener Material-  400 Series Stainless Steel
      • Fastener Materials- Retainer-  400 Series Stainless Steel
      • Fastener Materials- Nut-  300 Series Stainless Steel
      • Retainer Finish-  Passivated per ASTM A380
      • Nut Finish-  Black Dry-Film Lubricant

Series LA4-U
Metric Sizes

Part
Number

Thread

"A"
(Shank)
Max.

Min.
Sheet
Thickness

Hole
Size in
Sheet

"C"
Max.

"D"
Max.

"E"

"T2"
Max.

Min.
Distance
to Edge

Mil-Spec

LA4-M3-1MD-U

M3 x 0.5

0.97
mm

7.37
mm

7.35
mm

7.37
mm

9.14
mm

4.83
mm

7.62
mm

N/A

LA4-M4-1MD-U

M4 x 0.7

0.97
mm

9.35
mm

9.33
mm

9.28
mm

11.18
mm

5.34
mm

8.64
mm

N/A

LA4-M5-1MD-U

M5 x 0.8

0.97
mm

10.31
mm

10.29
mm

11.94
mm

6.86
mm

9.14
mm

N/A

UNICORP Electronic Hardware - Self Clinching Fasteners

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electronic hardware, handles and precision fasteners used by leading companies
in nearly every industry since 1971.

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