FHA Unthreaded Flush Head Studs

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Unthreaded Flush-Head Studs FHA-U

Self Clinching Fasteners • Studs for Sheet Metal
American Standard (Inches) & Metric Sizes

UNICORP Electronic Hardware Self-Clinching Fasteners - Unthreaded Flush-Head Studs FH, FHS, FHA

• Self-clinching • Unthreaded • Installed quickly and easily by squeezing into place
• Creates flush-head assembly • Stud locked into place
• Minimum sheet thickness of 0.040" /1.00 mm

American Standard Sizes: • Series FHA-U

Metric Sizes: • Series FHA-U

Series FHA-U

Series FHA-U / American Standard Sizes

• Head Shape- Round • Sheet Hardness- HRB 50 / HB 82 or Less • Material- Aluminum • Finish- None
	Series FHA-U American Standard Sizes (SAE)

Part
Number

"S"
Max.

"H"
Head
Diameter

"L"
Overall
Length

"P"
Nominal
Pin
Diameter

Min.
Sheet
Thickness

Hole
Size in
Sheet

Min.
Distance
to Edge

Mil-Spec

FHA-073-4-U

0.075"

0.150"

0.250"

0.073"

0.040"

0.085"

0.190"

N/A

FHA-073-5-U

0.075"

0.150"

0.312"

0.073"

0.040"

0.085"

0.190"

N/A

FHA-073-6-U

0.075"

0.150"

0.375"

0.073"

0.040"

0.085"

0.190"

N/A

FHA-073-8-U

0.075"

0.150"

0.500"

0.073"

0.040"

0.085"

0.190"

N/A

FHA-073-10-U

0.075"

0.150"

0.625"

0.073"

0.040"

0.085"

0.190"

N/A

FHA-084-4-U

0.085"

0.160"

0.250"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-084-5-U

0.085"

0.160"

0.312"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-084-6-U

0.085"

0.160"

0.375"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-084-8-U

0.085"

0.160"

0.500"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-084-10-U

0.085"

0.160"

0.625"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-084-12-U

0.085"

0.160"

0.750"

0.084"

0.040"

0.099"

0.220"

N/A

FHA-094-4-U

0.085"

0.180"

0.250"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-094-5-U

0.085"

0.180"

0.312"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-094-6-U

0.085"

0.180"

0.375"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-094-8-U

0.085"

0.180"

0.500"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-094-10-U

0.085"

0.180"

0.625"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-094-12-U

0.085"

0.180"

0.750"

0.094"

0.040"

0.111"

0.220"

N/A

FHA-103-4-U

0.085"

0.180"

0.250"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-103-5-U

0.085"

0.180"

0.312"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-103-6-U

0.085"

0.180"

0.375"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-103-8-U

0.085"

0.180"

0.500"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-103-10-U

0.085"

0.180"

0.625"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-103-12-U

0.085"

0.180"

0.750"

0.103"

0.040"

0.118"

0.220"

N/A

FHA-106-4-U

0.090"

0.190"

0.250"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-5-U

0.090"

0.190"

0.312"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-6-U

0.090"

0.190"

0.375"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-8-U

0.090"

0.190"

0.500"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-10-U

0.090"

0.190"

0.625"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-12-U

0.090"

0.190"

0.750"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-14-U

0.090"

0.190"

0.875"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-16-U

0.090"

0.190"

1.000"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-106-20-U

0.090"

0.190"

1.250"

0.106"

0.040"

0.125"

0.220"

N/A

FHA-116-4-U

0.090"

0.210"

0.250"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-5-U

0.090"

0.210"

0.312"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-6-U

0.090"

0.210"

0.375"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-8-U

0.090"

0.210"

0.500"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-10-U

0.090"

0.210"

0.625"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-12-U

0.090"

0.210"

0.750"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-14-U

0.090"

0.210"

0.875"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-16-U

0.090"

0.210"

1.000"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-116-20-U

0.090"

0.210"

1.250"

0.116"

0.040"

0.137"

0.250"

N/A

FHA-120-4-U

0.090"

0.210"

0.250"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-5-U

0.090"

0.210"

0.312"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-6-U

0.090"

0.210"

0.375"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-8-U

0.090"

0.210"

0.500"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-10-U

0.090"

0.210"

0.625"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-12-U

0.090"

0.210"

0.750"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-14-U

0.090"

0.210"

0.875"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-16-U

0.090"

0.210"

1.000"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-20-U

0.090"

0.210"

1.250"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-120-24-U

0.090"

0.210"

1.500"

0.120"

0.040"

0.137"

0.250"

N/A

FHA-137-4-U

0.090"

0.230"

0.250"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-5-U

0.090"

0.230"

0.312"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-6-U

0.090"

0.230"

0.375"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-8-U

0.090"

0.230"

0.500"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-10-U

0.090"

0.230"

0.625"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-12-U

0.090"

0.230"

0.750"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-14-U

0.090"

0.230"

0.875"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-16-U

0.090"

0.230"

1.000"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-20-U

0.090"

0.230"

1.250"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-137-24-U

0.090"

0.230"

1.500"

0.137"

0.040"

0.157"

0.280"

N/A

FHA-141-4-U

0.090"

0.240"

0.250"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-5-U

0.090"

0.240"

0.312"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-6-U

0.090"

0.240"

0.375"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-8-U

0.090"

0.240"

0.500"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-10-U

0.090"

0.240"

0.625"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-12-U

0.090"

0.240"

0.750"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-14-U

0.090"

0.240"

0.875"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-16-U

0.090"

0.240"

1.000"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-20-U

0.090"

0.240"

1.250"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-141-24-U

0.090"

0.240"

1.500"

0.141"

0.040"

0.163"

0.280"

N/A

FHA-160-4-U

0.100"

0.260"

0.250"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-5-U

0.100"

0.260"

0.312"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-6-U

0.100"

0.260"

0.375"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-8-U

0.100"

0.260"

0.500"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-10-U

0.100"

0.260"

0.625"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-12-U

0.100"

0.260"

0.750"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-14-U

0.100"

0.260"

0.875"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-16-U

0.100"

0.260"

1.000"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-20-U

0.100"

0.260"

1.250"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-160-24-U

0.100"

0.260"

1.500"

0.160"

0.040"

0.189"

0.280"

N/A

FHA-167-5-U

0.100"

0.260"

0.312"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-6-U

0.100"

0.260"

0.375"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-8-U

0.100"

0.260"

0.500"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-10-U

0.100"

0.260"

0.625"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-12-U

0.100"

0.260"

0.750"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-14-U

0.100"

0.260"

0.875"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-16-U

0.100"

0.260"

1.000"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-20-U

0.100"

0.260"

1.250"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-167-24-U

0.100"

0.260"

1.500"

0.167"

0.040"

0.189"

0.280"

N/A

FHA-173-5-U

0.100"

0.260"

0.312"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-6-U

0.100"

0.260"

0.375"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-8-U

0.100"

0.260"

0.500"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-10-U

0.100"

0.260"

0.625"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-12-U

0.100"

0.260"

0.750"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-14-U

0.100"

0.260"

0.875"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-16-U

0.100"

0.260"

1.000"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-20-U

0.100"

0.260"

1.250"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-173-24-U

0.100"

0.260"

1.500"

0.173"

0.040"

0.197"

0.280"

N/A

FHA-207-5-U

0.135"

0.320"

0.312"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-6-U

0.135"

0.320"

0.375"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-8-U

0.135"

0.320"

0.500"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-10-U

0.135"

0.320"

0.625"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-12-U

0.135"

0.320"

0.750"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-14-U

0.135"

0.320"

0.875"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-16-U

0.135"

0.320"

1.000"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-20-U

0.135"

0.320"

1.250"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-207-24-U

0.135"

0.320"

1.500"

0.207"

0.062"

0.236"

0.310"

N/A

FHA-215-8-U

0.135"

0.340"

0.500"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-10-U

0.135"

0.340"

0.625"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-12-U

0.135"

0.340"

0.750"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-14-U

0.135"

0.340"

0.875"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-16-U

0.135"

0.340"

1.000"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-20-U

0.135"

0.340"

1.250"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-215-24-U

0.135"

0.340"

1.500"

0.215"

0.062"

0.250"

0.310"

N/A

FHA-223-8-U

0.135"

0.340"

0.500"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-10-U

0.135"

0.340"

0.625"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-12-U

0.135"

0.340"

0.750"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-14-U

0.135"

0.340"

0.875"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-16-U

0.135"

0.340"

1.000"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-20-U

0.135"

0.340"

1.250"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-223-24-U

0.135"

0.340"

1.500"

0.223"

0.062"

0.250"

0.310"

N/A

FHA-273-8-U

0.160"

0.380"

0.500"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-10-U

0.160"

0.380"

0.625"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-12-U

0.160"

0.380"

0.750"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-14-U

0.160"

0.380"

0.875"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-16-U

0.160"

0.380"

1.000"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-20-U

0.160"

0.380"

1.250"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-273-24-U

0.160"

0.380"

1.500"

0.273"

0.093"

0.312"

0.380"

N/A

FHA-281-8-U

0.160"

0.380"

0.500"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-10-U

0.160"

0.380"

0.625"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-12-U

0.160"

0.380"

0.750"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-14-U

0.160"

0.380"

0.875"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-16-U

0.160"

0.380"

1.000"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-20-U

0.160"

0.380"

1.250"

0.281"

0.093"

0.312"

0.380"

N/A

FHA-281-24-U

0.160"

0.380"

1.500"

0.281"

0.093"

0.312"

0.380"

N/A

Series FHA-U / Metric Sizes

• Head Shape- Round • Sheet Hardness- HRB 50 / HB 82 or Less • Material- Aluminum • Finish- None
	Series FHA-U Metric Sizes

Part
Number

"S"
Max.

"H"
Head
Diameter

"L"
Overall
Length

"P"
Nominal
Pin
Diameter

Min.
Sheet
Thickness

Hole
Size in
Sheet

Min.
Distance
to Edge

Mil-Spec

FHA-3MM-6-U

2.30
mm

5.30
mm

6.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-8-U

2.30
mm

5.30
mm

8.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-10-U

2.30
mm

5.30
mm

10.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-12-U

2.30
mm

5.30
mm

12.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-15-U

2.30
mm

5.30
mm

15.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-18-U

2.30
mm

5.30
mm

18.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-20-U

2.30
mm

5.30
mm

20.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-25-U

2.30
mm

5.30
mm

25.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-3MM-30-U

2.30
mm

5.30
mm

30.00
mm

3.00
mm

1.00
mm

3.50
mm

6.40
mm

N/A

FHA-4MM-8-U

2.30
mm

6.00
mm

8.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-10-U

2.30
mm

6.00
mm

10.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-12-U

2.30
mm

6.00
mm

12.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-15-U

2.30
mm

6.00
mm

15.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-18-U

2.30
mm

6.00
mm

18.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-20-U

2.30
mm

6.00
mm

20.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-25-U

2.30
mm

6.00
mm

25.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-4MM-30-U

2.30
mm

6.00
mm

30.00
mm

4.00
mm

1.00
mm

4.10
mm

7.10
mm

N/A

FHA-5MM-8-U

2.55
mm

7.50
mm

8.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-10-U

2.55
mm

7.50
mm

10.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-12-U

2.55
mm

7.50
mm

12.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-15-U

2.55
mm

7.50
mm

15.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-18-U

2.55
mm

7.50
mm

18.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-20-U

2.55
mm

7.50
mm

20.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-25-U

2.55
mm

7.50
mm

25.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-30-U

2.55
mm

7.50
mm

30.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

FHA-5MM-35-U

2.55
mm

7.50
mm

35.00
mm

5.00
mm

1.00
mm

5.50
mm

7.60
mm

N/A

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