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Weld Nuts  WN-U,  WNS-U

Self Clinching Fasteners  •  Weld Nuts
American Standard (Inches) & Metric Sizes
• Clinches permanently    • Load bearing threads in sheets too thin to tap    • Self-aligning    • 3-point projection
• Head mounts flush    • Prevents weld spatter    • Installed on stainless steel sheets
American Standard Sizes:   • Series WN-U       • Series WN-U  (Copper Flash)      • Series WNS-U
Metric Sizes:   • Series WN-U       • Series WN-U  (Copper Flash)       • Series WNS-U
Series  WN-U
Series  WN-U  /  American Standard Sizes
      • Shape-  Round
      • Material-  Carbon Steel
      • Finish-  Light Oil
Series WN-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WN-440-0-U 4-40 0.030" 0.063" 0.308" 0.172" 0.030" 0.173" 0.154" N/A
WN-632-0-U 6-32 0.030" 0.093" 0.341" 0.192" 0.030" 0.193" 0.171" N/A
WN-632-1-U 6-32 0.060" 0.093" 0.341" 0.192" 0.060" 0.193" 0.171" N/A
WN-832-0-U 8-32 0.030" 0.107" 0.371" 0.217" 0.030" 0.218" 0.186" N/A
WN-832-1-U 8-32 0.060" 0.107" 0.371" 0.217" 0.060" 0.218" 0.186" N/A
WN-024-0-U 10-24 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WN-024-1-U 10-24 0.060" 0.155" 0.440" 0.249" 0.060" 0.250" 0.220" N/A
WN-032-0-U 10-32 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WN-032-1-U 10-32 0.060" 0.155" 0.440" 0.249" 0.060" 0.250" 0.220" N/A
WN-0420-0-U 1/4-20 0.048" 0.185" 0.522" 0.315" 0.048" 0.316" 0.261" N/A
Series  WN-U  /  Metric Sizes
      • Shape-  Round
      • Material-  Carbon Steel
      • Finish-  Light Oil
Series WN-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WN-M3-0-U M3 x 0.5 0.77
mm
1.48
mm
7.82
mm
4.37
mm
0.77
mm
4.40
mm
3.91
mm
N/A
WN-M4-0-U M4 x 0.7 0.77
mm
2.58
mm
9.42
mm
5.51
mm
0.77
mm
5.54
mm
4.71
mm
N/A
WN-M5-0-U M5 x 0.8 0.77
mm
3.77
mm
11.18
mm
6.32
mm
0.77
mm
6.35
mm
5.59
mm
N/A
WN-M6-0-U M6 x 1.0 1.22
mm
4.56
mm
13.26
mm
8.01
mm
1.24
mm
8.04
mm
6.63
mm
N/A
Series  WN-U
Series  WN-U  (Copper Flash)  /  American Standard Sizes
      • Shape-  Round
      • Material-  Carbon Steel
      • Finish-  Copper Flash
Series WN-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WN-440-0-CU-U 4-40 0.030" 0.063" 0.308" 0.172" 0.030" 0.173" 0.154" N/A
WN-632-0-CU-U 6-32 0.030" 0.093" 0.341" 0.192" 0.030" 0.193" 0.171" N/A
WN-632-1-CU-U 6-32 0.060" 0.093" 0.341" 0.192" 0.060" 0.193" 0.171" N/A
WN-832-0-CU-U 8-32 0.030" 0.107" 0.371" 0.217" 0.030" 0.218" 0.186" N/A
WN-832-1-CU-U 8-32 0.060" 0.107" 0.371" 0.217" 0.060" 0.218" 0.186" N/A
WN-024-0-CU-U 10-24 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WN-024-1-CU-U 10-24 0.060" 0.155" 0.440" 0.249" 0.060" 0.250" 0.220" N/A
WN-032-0-CU-U 10-32 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WN-032-1-CU-U 10-32 0.060" 0.155" 0.440" 0.249" 0.060" 0.250" 0.220" N/A
WN-0420-0-CU-U 1/4-20 0.048" 0.185" 0.522" 0.315" 0.048" 0.316" 0.261" N/A
Series  WN-U  (Copper Flash)  /  Metric Sizes
      • Shape-  Round
      • Material-  Carbon Steel
      • Finish-  Copper Flash
Series WN-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WN-M3-0-CU-U M3 x 0.5 0.77
mm
1.48
mm
7.82
mm
4.37
mm
0.77
mm
4.40
mm
3.91
mm
N/A
WN-M4-0-CU-U M4 x 0.7 0.77
mm
2.58
mm
9.42
mm
5.51
mm
0.77
mm
5.54
mm
4.71
mm
N/A
WN-M5-0-CU-U M5 x 0.8 0.77
mm
3.77
mm
11.18
mm
6.32
mm
0.77
mm
6.35
mm
5.59
mm
N/A
WN-M6-0-CU-U M6 x 1.0 1.22
mm
4.56
mm
13.26
mm
8.01
mm
1.24
mm
8.04
mm
6.63
mm
N/A
Series  WNS-U
Series  WNS-U  /  American Standard Sizes
      • Shape-  Round
      • Material-  Stainless Steel
      • Finish-  Passivated per ASTM A380
Series WNS-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WNS-440-0-U 4-40 0.030" 0.063" 0.308" 0.172" 0.030" 0.173" 0.154" N/A
WNS-632-0-U 6-32 0.030" 0.093" 0.341" 0.192" 0.030" 0.193" 0.171" N/A
WNS-832-0-U 8-32 0.030" 0.107" 0.371" 0.217" 0.030" 0.218" 0.186" N/A
WNS-024-0-U 10-24 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WNS-032-0-U 10-24 0.030" 0.155" 0.440" 0.249" 0.030" 0.250" 0.220" N/A
WNS-0420-0-U 1/4-20 0.048" 0.185" 0.522" 0.315" 0.048" 0.316" 0.261" N/A
Series  WNS-U  /  Metric Sizes
      • Shape-  Round
      • Material-  Stainless Steel
      • Finish-  Passivated per ASTM A380
Series WNS-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C" Max.
Body
Diameter
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Mil-Spec
WNS-M3-0-U M3 x 0.5 0.77
mm
1.48
mm
7.82
mm
4.37
mm
0.77
mm
4.40
mm
3.91
mm
N/A
WNS-M4-0-U M4 x 0.7 0.77
mm
2.58
mm
9.42
mm
5.51
mm
0.77
mm
5.54
mm
4.71
mm
N/A
WNS-M5-0-U M5 x 0.8 0.77
mm
3.77
mm
11.18
mm
6.32
mm
0.77
mm
6.35
mm
5.59
mm
N/A
WNS-M6-0-U M6 x 1.0 1.22
mm
4.56
mm
13.26
mm
8.01
mm
1.24
mm
8.04
mm
6.63
mm
N/A

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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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