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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
• 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
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" 0.038" 0.290" 0.289" 0.290" 0.360" 0.190" 0.300" M45938/11-1L
LAS-632-1MD-U 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.200" 0.320" M45938/11-3L
LAS-832-1MD-U 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.210" 0.340" M45938/11-5L
LAS-024-1MD-U 10-24 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-7L
LAS-032-1MD-U 10-32 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-9L
LAS-440-2MD-U 4-40 0.054" 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" 0.054" 0.328" 0.327" 0.335" 0.390" 0.200" 0.320" M45938/11-4L
LAS-832-2MD-U 8-32 0.054" 0.054" 0.368" 0.367" 0.365" 0.440" 0.210" 0.340" M45938/11-6L
LAS-024-2MD-U 10-24 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-8L
LAS-032-2MD-U 10-32 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-10L
LAS-0420-2MD-U 1/4-20 0.054" 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" 0.054" 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
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
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
0.97
mm
10.31
mm
10.29
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
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
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
1.38
mm
10.31
mm
10.29
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
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" 0.038" 0.290" 0.289" 0.290" 0.360" 0.190" 0.300" M45938/11-1CL
LAC-632-1MD-U 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.200" 0.320" M45938/11-2CL
LAC-832-1MD-U 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.210" 0.340" M45938/11-3CL
LAC-024-1MD-U 10-24 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-4CL
LAC-032-1MD-U 10-32 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-5CL
LAC-440-2MD-U 4-40 0.054" 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" 0.054" 0.328" 0.327" 0.335" 0.390" 0.200" 0.320" M45938/11-7CL
LAC-832-2MD-U 8-32 0.054" 0.054" 0.368" 0.367" 0.365" 0.440" 0.210" 0.340" M45938/11-8CL
LAC-024-2MD-U 10-24 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-9CL
LAC-032-2MD-U 10-32 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.270" 0.360" M45938/11-10CL
LAC-0420-2MD-U 1/4-20 0.054" 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" 0.054" 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
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
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
0.97
mm
10.31
mm
10.29
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
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
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
1.38
mm
10.31
mm
10.29
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
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" 0.038" 0.290" 0.289" 0.290" 0.360" 0.190" 0.300" N/A
LA4-632-1MD-U 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.200" 0.320" N/A
LA4-832-1MD-U 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.210" 0.340" N/A
LA4-032-1MD-U 10-32 0.038" 0.038" 0.406" 0.405" 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
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
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
0.97
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
6.86
mm
9.14
mm
N/A

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