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High Strength Studs for Thin Sheets  HFE-U

Self Clinching Fasteners  •  Studs for Sheet Metal
American Standard (Inches) & Metric Sizes
• Self-clinching    • Wide head    • Non-Flush    • Strong load bearing threads
• Installed quickly and easily by squeezing into place    • Minimum sheet thickness of 0.040" /1.00 mm
American Standard Sizes:   • Series HFE-U (Zinc Clear)    • Series HFE-U (Zinc Yellow)   
Metric Sizes:   • Series HFE-U (Zinc Clear)   • Series HFE-U (Zinc Yellow)
Series  HFE-U
Series  HFE-U  (Zinc Clear)  /  American Standard Sizes
      • Head Shape-  Round
      • Thread Strength-  120 ksi
      • Sheet Hardness-  HRB 85 / HB 165 or Less
      • Material-  Heat-Treated Carbon Steel
      • Finish-  Zinc Clear Plated per ASTM B633
      • Mil-Spec-  N/A
Series HFE-U
American Standard Sizes
(SAE)
Part
Number
Thread "S"
Max.
"H"
Head
Diameter
"L"
Overall
Length
"T"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Max.
Hole in
Attached
Parts
Min.
Distance
to Edge
HFE-032-8ZI-U 10-32 0.102" 0.357" 0.500" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-12ZI-U 10-32 0.102" 0.357" 0.750" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-16ZI-U 10-32 0.102" 0.357" 1.000" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-20ZI-U 10-32 0.102" 0.357" 1.250" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-24ZI-U 10-32 0.102" 0.357" 1.500" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-28ZI-U 10-32 0.102" 0.357" 1.750" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-32ZI-U 10-32 0.102" 0.357" 2.000" 0.048" 0.040" 0.190" 0.280" 0.360"
 
HFE-0420-8ZI-U 1/4-20 0.118" 0.462" 0.500" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-12ZI-U 1/4-20 0.118" 0.462" 0.750" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-16ZI-U 1/4-20 0.118" 0.462" 1.000" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-20ZI-U 1/4-20 0.118" 0.462" 1.250" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-24ZI-U 1/4-20 0.118" 0.462" 1.500" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-28ZI-U 1/4-20 0.118" 0.462" 1.750" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-32ZI-U 1/4-20 0.118" 0.462" 2.000" 0.060" 0.040" 0.250" 0.340" 0.470"
 
HFE-0518-8ZI-U 5/16-18 0.133" 0.586" 0.500" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-12ZI-U 5/16-18 0.133" 0.586" 0.750" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-16ZI-U 5/16-18 0.133" 0.586" 1.000" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-20ZI-U 5/16-18 0.133" 0.586" 1.250" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-24ZI-U 5/16-18 0.133" 0.586" 1.500" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-28ZI-U 5/16-18 0.133" 0.586" 1.750" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-32ZI-U 5/16-18 0.133" 0.586" 2.000" 0.083" 0.060" 0.312" 0.402" 0.560"
Series  HFE-U  (Zinc Clear)  /  Metric Sizes
      • Head Shape-  Round
      • Thread Strength-  900 mPa
      • Sheet Hardness-  HRB 85 / HB 165 or Less
      • Material-  Heat-Treated Carbon Steel
      • Finish-  Zinc Clear Plated per ASTM B633
      • Mil-Spec-  N/A
Series HFE-U
Metric Sizes
Part
Number
Thread "S"
Max.
"H"
Head
Diameter
"L"
Overall
Length
"T"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Max.
Hole in
Attached
Parts
Min.
Distance
to Edge
HFE-M5-15ZI-U M5 x 0.8 2.60
mm
9.60
mm
15.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-20ZI-U M5 x 0.8 2.60
mm
9.60
mm
20.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-25ZI-U M5 x 0.8 2.60
mm
9.60
mm
25.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-30ZI-U M5 x 0.8 2.60
mm
9.60
mm
30.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-35ZI-U M5 x 0.8 2.60
mm
9.60
mm
35.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-40ZI-U M5 x 0.8 2.60
mm
9.60
mm
40.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-50ZI-U M5 x 0.8 2.60
mm
9.60
mm
50.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
 
HFE-M6-15ZI-U M6 x 1.0 2.80
mm
11.35
mm
15.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-20ZI-U M6 x 1.0 2.80
mm
11.35
mm
20.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-25ZI-U M6 x 1.0 2.80
mm
11.35
mm
25.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-30ZI-U M6 x 1.0 2.80
mm
11.35
mm
30.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-35ZI-U M6 x 1.0 2.80
mm
11.35
mm
35.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-40ZI-U M6 x 1.0 2.80
mm
11.35
mm
40.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-50ZI-U M6 x 1.0 2.80
mm
11.35
mm
50.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
 
HFE-M8-15ZI-U M8 x 1.25 3.30
mm
15.30
mm
15.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-20ZI-U M8 x 1.25 3.30
mm
15.30
mm
20.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-25ZI-U M8 x 1.25 3.30
mm
15.30
mm
25.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-30ZI-U M8 x 1.25 3.30
mm
15.30
mm
30.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-35ZI-U M8 x 1.25 3.30
mm
15.30
mm
35.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-40ZI-U M8 x 1.25 3.30
mm
15.30
mm
40.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-50ZI-U M8 x 1.25 3.30
mm
15.30
mm
50.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
Series  HFE-U
Series  HFE-U  (Zinc Yellow)   /  American Standard Sizes
      • Head Shape-  Round
      • Thread Strength-  120 ksi
      • Sheet Hardness-  HRB 85 / HB 165 or Less
      • Material-  Heat-Treated Carbon Steel
      • Finish-  Zinc Yellow Plated per ASTM B633
      • Mil-Spec-  N/A
Series HFE-U
American Standard Sizes
(SAE)
Part
Number
Thread "S"
Max.
"H"
Head
Diameter
"L"
Overall
Length
"T"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Max.
Hole in
Attached
Parts
Min.
Distance
to Edge
HFE-032-8ZC-U 10-32 0.102" 0.357" 0.500" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-12ZC-U 10-32 0.102" 0.357" 0.750" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-16ZC-U 10-32 0.102" 0.357" 1.000" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-20ZC-U 10-32 0.102" 0.357" 1.250" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-24ZC-U 10-32 0.102" 0.357" 1.500" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-28ZC-U 10-32 0.102" 0.357" 1.750" 0.048" 0.040" 0.190" 0.280" 0.360"
HFE-032-32ZC-U 10-32 0.102" 0.357" 2.000" 0.048" 0.040" 0.190" 0.280" 0.360"
 
HFE-0420-8ZC-U 1/4-20 0.118" 0.462" 0.500" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-12ZC-U 1/4-20 0.118" 0.462" 0.750" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-16ZC-U 1/4-20 0.118" 0.462" 1.000" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-20ZC-U 1/4-20 0.118" 0.462" 1.250" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-24ZC-U 1/4-20 0.118" 0.462" 1.500" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-28ZC-U 1/4-20 0.118" 0.462" 1.750" 0.060" 0.040" 0.250" 0.340" 0.470"
HFE-0420-32ZC-U 1/4-20 0.118" 0.462" 2.000" 0.060" 0.040" 0.250" 0.340" 0.470"
 
HFE-0518-8ZC-U 5/16-18 0.133" 0.586" 0.500" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-12ZC-U 5/16-18 0.133" 0.586" 0.750" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-16ZC-U 5/16-18 0.133" 0.586" 1.000" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-20ZC-U 5/16-18 0.133" 0.586" 1.250" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-24ZC-U 5/16-18 0.133" 0.586" 1.500" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-28ZC-U 5/16-18 0.133" 0.586" 1.750" 0.083" 0.060" 0.312" 0.402" 0.560"
HFE-0518-32ZC-U 5/16-18 0.133" 0.586" 2.000" 0.083" 0.060" 0.312" 0.402" 0.560"
Series  HFE-U  (Zinc Yellow)   /  Metric Sizes
      • Head Shape-  Round
      • Thread Strength-  900 mPa
      • Sheet Hardness-  HRB 85 / HB 165 or Less
      • Material-  Heat-Treated Carbon Steel
      • Finish-  Zinc Yellow Plated per ASTM B633
      • Mil-Spec-  N/A
Series HFE-U
Metric Sizes
Part
Number
Thread "S"
Max.
"H"
Head
Diameter
"L"
Overall
Length
"T"
Max.
Min.
Sheet
Thickness
Hole
Size in
Sheet
Max.
Hole in
Attached
Parts
Min.
Distance
to Edge
HFE-M5-15ZC-U M5 x 0.8 2.60
mm
9.60
mm
15.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-20ZC-U M5 x 0.8 2.60
mm
9.60
mm
20.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-25ZC-U M5 x 0.8 2.60
mm
9.60
mm
25.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-30ZC-U M5 x 0.8 2.60
mm
9.60
mm
30.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-35ZC-U M5 x 0.8 2.60
mm
9.60
mm
35.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-40ZC-U M5 x 0.8 2.60
mm
9.60
mm
40.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
HFE-M5-50ZC-U M5 x 0.8 2.60
mm
9.60
mm
50.00
mm
1.35
mm
1.00
mm
5.00
mm
7.30
mm
10.00
mm
 
HFE-M6-15ZC-U M6 x 1.0 2.80
mm
11.35
mm
15.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-20ZC-U M6 x 1.0 2.80
mm
11.35
mm
20.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-25ZC-U M6 x 1.0 2.80
mm
11.35
mm
25.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-30ZC-U M6 x 1.0 2.80
mm
11.35
mm
30.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-35ZC-U M6 x 1.0 2.80
mm
11.35
mm
35.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-40ZC-U M6 x 1.0 2.80
mm
11.35
mm
40.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
HFE-M6-50ZC-U M6 x 1.0 2.80
mm
11.35
mm
50.00
mm
1.52
mm
1.00
mm
6.00
mm
8.30
mm
11.50
mm
 
HFE-M8-15ZC-U M8 x 1.25 3.30
mm
15.30
mm
15.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-20ZC-U M8 x 1.25 3.30
mm
15.30
mm
20.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-25ZC-U M8 x 1.25 3.30
mm
15.30
mm
25.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-30ZC-U M8 x 1.25 3.30
mm
15.30
mm
30.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-35ZC-U M8 x 1.25 3.30
mm
15.30
mm
35.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-40ZC-U M8 x 1.25 3.30
mm
15.30
mm
40.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm
HFE-M8-50ZC-U M8 x 1.25 3.30
mm
15.30
mm
50.00
mm
2.13
mm
1.50
mm
8.00
mm
10.30
mm
14.50
mm

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