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

Floating Clinch Nuts  AS-U,  AC-U,  A4-U

Self Clinching Fasteners  •  Nuts For Sheet Metal
American Standard (Inches) & Metric Sizes
• Self-clinching     • Load bearing threads     • Non-locking threads
• Installed quickly and easily by squeezing into prepared holes     • Sheet is flush     • Fastener is permanently installed
• Offsets mating hole misalignments to 0.030"/ 0.8 mm
American Standard Sizes:   • Series AS-U    • Series AC-U    • Series A4-U
Metric Sizes:   • Series AS-U    • Series AC-U    • Series A4-U
Series  AS-U
Series  AS-U  /  American Standard Sizes
      • Shape-  Round
      • Thread Type-  Non-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-  Carbon Steel
      • Finish- Retainer& Nut-  Zinc Clear Plated per ASTM B633
Series AS_U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
AS-440-1ZI 4-40 0.038" 0.038" 0.290" 0.289" 0.290" 0.360" 0.130" 0.300" M45938/11-1Z
AS-632-1ZI 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.130" 0.320" M45938/11-3Z
AS-832-1ZI 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.130" 0.340" M45938/11-5Z
AS-024-1ZI 10-24 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-7Z
AS-032-1ZI 10-32 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-9Z
 
AS-440-2ZI 4-40 0.054" 0.054" 0.290" 0.289" 0.290" 0.360" 0.130" 0.300" M45938/11-2Z
AS-632-2ZI 6-32 0.054" 0.054" 0.328" 0.327" 0.335" 0.390" 0.130" 0.320" M45938/11-4Z
AS-832-2ZI 8-32 0.054" 0.054" 0.368" 0.367" 0.365" 0.440" 0.130" 0.340" M45938/11-6Z
AS-024-2ZI 10-24 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-8Z
AS-032-2ZI 10-32 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-10Z
AS-0420-2ZI 1/4-20 0.054" 0.054" 0.515" 0.514" 0.510" 0.600" 0.210" 0.420" M45938/11-11Z
AS-0428-2ZI 1/4-28 0.054" 0.054" 0.515" 0.514" 0.510" 0.600" 0.210" 0.420" M45938/11-12Z
Series  AS-U  /  Metric Sizes
      • Shape-  Round
      • Thread Type-  Non-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-  Carbon Steel
      • Finish- Retainer & Nut-  Zinc Clear Plated per ASTM B633
Series AS-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
AS-M3-1ZI M3 x 0.5 0.97
mm
0.97
mm
7.37
mm
7.35
mm
7.37
mm
9.14
mm
3.31
mm
7.62
mm
N/A
AS-M4-1ZI M4 x 0.7 0.97
mm
0.97
mm
9.35
mm
9.33
mm
9.28
mm
11.18
mm
3.31
mm
8.64
mm
N/A
AS-M5-1ZI M5 x 0.8 0.97
mm
0.97
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
4.32
mm
9.14
mm
N/A
 
AS-M3-2ZI M3 x 0.5 1.38
mm
1.38
mm
7.37
mm
7.35
mm
7.37
mm
9.14
mm
3.31
mm
7.62
mm
N/A
AS-M4-2ZI M4 x 0.7 1.38
mm
1.38
mm
9.35
mm
9.33
mm
9.28
mm
11.18
mm
3.31
mm
8.64
mm
N/A
AS-M5-2ZI M5 x 0.8 1.38
mm
1.38
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
4.32
mm
9.14
mm
N/A
AS-M6-2ZI M6 x 1.0 1.38
mm
1.38
mm
13.08
mm
13.06
mm
12.96
mm
15.24
mm
5.34
mm
10.67
mm
N/A
Series  AC-U
Series  AC-U  /  American Standard Sizes
      • Shape-  Round
      • Thread Type-  Non-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
      • Finish- Retainer & Nut-  Passivated per ASTM A380
Series AC-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
AC-440-1 4-40 0.038" 0.038" 0.290" 0.289" 0.290" 0.360" 0.130" 0.300" M45938/11-1C
AC-632-1 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.130" 0.320" M45938/11-3C
AC-832-1 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.130" 0.340" M45938/11-5C
AC-024-1 10-24 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-7C
AC-032-1 10-32 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-9C
 
AC-440-2 4-40 0.054" 0.054" 0.290" 0.289" 0.290" 0.360" 0.130" 0.300" M45938/11-2C
AC-632-2 6-32 0.054" 0.054" 0.328" 0.327" 0.335" 0.390" 0.130" 0.320" M45938/11-4C
AC-832-2 8-32 0.054" 0.054" 0.368" 0.367" 0.365" 0.440" 0.130" 0.340" M45938/11-6C
AC-024-2 10-24 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-8C
AC-032-2 10-32 0.054" 0.054" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" M45938/11-10C
AC-0420-2 1/4-20 0.054" 0.054" 0.515" 0.514" 0.510" 0.600" 0.210" 0.420" M45938/11-11C
AC-0428-2 1/4-28 0.054" 0.054" 0.515" 0.514" 0.510" 0.600" 0.210" 0.420" M45938/11-12C
Series  AC-U  /  Metric Sizes
      • Shape-  Round
      • Thread Type-  Non-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
      • Finish- Retainer & Nut-  Passivated per ASTM A380
Series AC-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
AC-M3-1 M3 x 0.5 0.97
mm
0.97
mm
7.37
mm
7.35
mm
7.37
mm
9.14
mm
3.31
mm
7.62
mm
N/A
AC-M4-1 M4 x 0.7 0.97
mm
0.97
mm
9.35
mm
9.33
mm
9.28
mm
11.18
mm
3.31
mm
8.64
mm
N/A
AC-M5-1 M5 x 0.8 0.97
mm
0.97
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
4.32
mm
9.14
mm
N/A
 
AC-M3-2 M3 x 0.5 1.38
mm
1.38
mm
7.37
mm
7.35
mm
7.37
mm
9.14
mm
3.31
mm
7.62
mm
N/A
AC-M4-2 M4 x 0.7 1.38
mm
1.38
mm
9.35
mm
9.33
mm
9.28
mm
11.18
mm
3.31
mm
8.64
mm
N/A
AC-M5-2 M5 x 0.8 1.38
mm
1.38
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
4.32
mm
9.14
mm
N/A
AC-M6-2 M6 x 1.0 1.38
mm
1.38
mm
13.08
mm
13.06
mm
12.96
mm
15.24
mm
5.34
mm
10.67
mm
N/A
Series  A4-U
Series  A4-U  /  American Standard Sizes
      • Shape-  Round
      • Thread Type-  Non-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
      • Finish- Retainer & Nut-  Passivated per ASTM A380
Series A4-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
A4-440-1 4-40 0.038" 0.038" 0.290" 0.289" 0.290" 0.360" 0.130" 0.300" N/A
A4-632-1 6-32 0.038" 0.038" 0.328" 0.327" 0.335" 0.390" 0.130" 0.320" N/A
A4-832-1 8-32 0.038" 0.038" 0.368" 0.367" 0.365" 0.440" 0.130" 0.340" N/A
A4-032-1 10-32 0.038" 0.038" 0.406" 0.405" 0.405" 0.470" 0.170" 0.360" N/A
Series  A4-U  /  Metric Sizes
      • Shape-  Round
      • Thread Type-  Non-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
      • Finish- Retainer & Nut-  Passivated per ASTM A380
Series A4-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
"C"
Max.
"D"
Max.
"E" "T1"
Max.
Min.
Distance
to Edge
Mil-Spec
A4-M3-1 M3 x 0.5 0.97
mm
0.97
mm
7.37
mm
7.35
mm
7.37
mm
9.14
mm
3.31
mm
7.62
mm
N/A
A4-M4-1 M4 x 0.7 0.97
mm
0.97
mm
9.35
mm
9.33
mm
9.28
mm
11.18
mm
3.31
mm
8.64
mm
N/A
A4-M5-1 M5 x 0.8 0.97
mm
0.97
mm
10.31
mm
10.29
mm
10.29
mm
11.94
mm
4.32
mm
9.14
mm
N/A

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