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Miniature Nuts  FEX-U

Self Clinching Fasteners  •  Nuts For Sheet Metal
American Standard (Inches) & Metric Sizes
• Self-clinching    • FE-U, FEO-U, and UL-U are self-locking
• FEX-U, FEOX-U and U-U have 2B / 6H threads and are non-locking    • Strong threads without using too much space
• Knurled collar prevents rotation    • Installed quickly and easily
American Standard Sizes:   • Series FEX-U
Metric Sizes:   • Series FEX-U
Series  FEX-U
Series  FEX-U  /  American Standard Sizes
      • Shape-  Round
      • Thread Type-  Non-Locking
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material-  300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series FEX-U
American Standard Sizes
(SAE)
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C"
Body
Diameter
"D"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Max.
Hole in
Attached
Parts
Mil-Spec
FEX-440-U 4-40 0.060" 0.065" 0.192" 0.171" 0.145" 0.059" - 0.070" 0.172" 0.140" 0.132" M45938/7-2P
FEX-632-U 6-32 0.060" 0.075" 0.244" 0.212" 0.180" 0.059" - 0.070" 0.213" 0.170" 0.158" M45938/7-4P
FEX-832-U 8-32 0.060" 0.090" 0.322" 0.289" 0.215" 0.059" - 0.070" 0.290" 0.200" 0.184" M45938/7-6P
FEX-032-U 10-32 0.060" 0.110" 0.322" 0.289" 0.245" 0.059" - 0.070" 0.290" 0.200" 0.210" M45938/7-8P
FEX-0420-U 1/4-20 0.060" 0.120" 0.384" 0.343" 0.318" 0.059" - 0.070" 0.344" 0.280" 0.270" M45938/7-10P
FEX-0428-U 1/4-28 0.060" 0.120" 0.384" 0.343" 0.318" 0.059" - 0.070" 0.344" 0.280" 0.270" M45938/7-9P
Series  FEX-U  /  Metric Sizes
      • Shape-  Round
      • Thread Type-  Non-Locking
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material-  300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series FEX-U
Metric Sizes
Part
Number
Thread "A"
(Shank)
Max.
"T"
Head
Height
"E"
Head
Diameter
"C"
Body
Diameter
"D"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Min.
Distance
to Edge
Max.
Hole in
Attached
Parts
Mil-Spec
FEX-M3-U M3 x 0.5 1.53
mm
1.90
mm
4.88
mm
4.37
mm
3.96
mm
1.50 - 1.78
mm
4.39
mm
3.60
mm
3.50
mm
N/A
FEX-M4-U M4 x 0.7 1.53
mm
2.55
mm
8.17
mm
7.37
mm
5.23
mm
1.50 - 1.78
mm
7.39
mm
5.20
mm
4.50
mm
N/A
FEX-M5-U M5 x 0.8 1.53
mm
3.05
mm
8.17
mm
7.37
mm
6.48
mm
1.50 - 1.78
mm
7.39
mm
5.20
mm
5.50
mm
N/A
FEX-M6-U M6 x 1.0 1.53
mm
3.30
mm
9.74
mm
8.72
mm
7.72
mm
1.50 - 1.78
mm
8.74
mm
7.10
mm
6.50
mm
N/A

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in nearly every industry since 1971.


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