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Unthreaded Flush-Head Studs  FHS-U

Self Clinching Fasteners  •  Studs for Sheet Metal
American Standard (Inches) & Metric Sizes
• 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 FHS-U
Metric Sizes:   • Series FHS-U
Series  FHS-U
Series  FHS-U  /  American Standard Sizes
      • Head Shape-  Round
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material-  300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series FHS-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
FHS-073-4-U 0.075" 0.150" 0.250" 0.073" 0.040" 0.085" 0.190" N/A
FHS-073-5-U 0.075" 0.150" 0.312" 0.073" 0.040" 0.085" 0.190" N/A
FHS-073-6-U 0.075" 0.150" 0.375" 0.073" 0.040" 0.085" 0.190" N/A
FHS-073-8-U 0.075" 0.150" 0.500" 0.073" 0.040" 0.085" 0.190" N/A
FHS-073-10-U 0.075" 0.150" 0.625" 0.073" 0.040" 0.085" 0.190" N/A
FHS-084-4-U 0.085" 0.160" 0.250" 0.084" 0.040" 0.099" 0.220" N/A
FHS-084-5-U 0.085" 0.160" 0.312" 0.084" 0.040" 0.099" 0.220" N/A
FHS-084-6-U 0.085" 0.160" 0.375" 0.084" 0.040" 0.099" 0.220" N/A
FHS-084-8-U 0.085" 0.160" 0.500" 0.084" 0.040" 0.099" 0.220" N/A
FHS-084-10-U 0.085" 0.160" 0.625" 0.084" 0.040" 0.099" 0.220" N/A
FHS-084-12-U 0.085" 0.160" 0.750" 0.084" 0.040" 0.099" 0.220" N/A
FHS-094-4-U 0.085" 0.180" 0.250" 0.094" 0.040" 0.111" 0.220" N/A
FHS-094-5-U 0.085" 0.180" 0.312" 0.094" 0.040" 0.111" 0.220" N/A
FHS-094-6-U 0.085" 0.180" 0.375" 0.094" 0.040" 0.111" 0.220" N/A
FHS-094-8-U 0.085" 0.180" 0.500" 0.094" 0.040" 0.111" 0.220" N/A
FHS-094-10-U 0.085" 0.180" 0.625" 0.094" 0.040" 0.111" 0.220" N/A
FHS-094-12-U 0.085" 0.180" 0.750" 0.094" 0.040" 0.111" 0.220" N/A
FHS-103-4-U 0.085" 0.180" 0.250" 0.103" 0.040" 0.118" 0.220" N/A
FHS-103-5-U 0.085" 0.180" 0.312" 0.103" 0.040" 0.118" 0.220" N/A
FHS-103-6-U 0.085" 0.180" 0.375" 0.103" 0.040" 0.118" 0.220" N/A
FHS-103-8-U 0.085" 0.180" 0.500" 0.103" 0.040" 0.118" 0.220" N/A
FHS-103-10-U 0.085" 0.180" 0.625" 0.103" 0.040" 0.118" 0.220" N/A
FHS-103-12-U 0.085" 0.180" 0.750" 0.103" 0.040" 0.118" 0.220" N/A
FHS-106-4-U 0.090" 0.190" 0.250" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-5-U 0.090" 0.190" 0.312" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-6-U 0.090" 0.190" 0.375" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-8-U 0.090" 0.190" 0.500" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-10-U 0.090" 0.190" 0.625" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-12-U 0.090" 0.190" 0.750" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-14-U 0.090" 0.190" 0.875" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-16-U 0.090" 0.190" 1.000" 0.106" 0.040" 0.125" 0.220" N/A
FHS-106-20-U 0.090" 0.190" 1.250" 0.106" 0.040" 0.125" 0.220" N/A
FHS-116-4-U 0.090" 0.210" 0.250" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-5-U 0.090" 0.210" 0.312" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-6-U 0.090" 0.210" 0.375" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-8-U 0.090" 0.210" 0.500" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-10-U 0.090" 0.210" 0.625" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-12-U 0.090" 0.210" 0.750" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-14-U 0.090" 0.210" 0.875" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-16-U 0.090" 0.210" 1.000" 0.116" 0.040" 0.137" 0.250" N/A
FHS-116-20-U 0.090" 0.210" 1.250" 0.116" 0.040" 0.137" 0.250" N/A
FHS-120-4-U 0.090" 0.210" 0.250" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-5-U 0.090" 0.210" 0.312" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-6-U 0.090" 0.210" 0.375" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-8-U 0.090" 0.210" 0.500" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-10-U 0.090" 0.210" 0.625" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-12-U 0.090" 0.210" 0.750" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-14-U 0.090" 0.210" 0.875" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-16-U 0.090" 0.210" 1.000" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-20-U 0.090" 0.210" 1.250" 0.120" 0.040" 0.137" 0.250" N/A
FHS-120-24-U 0.090" 0.210" 1.500" 0.120" 0.040" 0.137" 0.250" N/A
FHS-137-4-U 0.090" 0.230" 0.250" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-5-U 0.090" 0.230" 0.312" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-6-U 0.090" 0.230" 0.375" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-8-U 0.090" 0.230" 0.500" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-10-U 0.090" 0.230" 0.625" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-12-U 0.090" 0.230" 0.750" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-14-U 0.090" 0.230" 0.875" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-16-U 0.090" 0.230" 1.000" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-20-U 0.090" 0.230" 1.250" 0.137" 0.040" 0.157" 0.280" N/A
FHS-137-24-U 0.090" 0.230" 1.500" 0.137" 0.040" 0.157" 0.280" N/A
FHS-141-4-U 0.090" 0.240" 0.250" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-5-U 0.090" 0.240" 0.312" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-6-U 0.090" 0.240" 0.375" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-8-U 0.090" 0.240" 0.500" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-10-U 0.090" 0.240" 0.625" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-12-U 0.090" 0.240" 0.750" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-14-U 0.090" 0.240" 0.875" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-16-U 0.090" 0.240" 1.000" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-20-U 0.090" 0.240" 1.250" 0.141" 0.040" 0.163" 0.280" N/A
FHS-141-24-U 0.090" 0.240" 1.500" 0.141" 0.040" 0.163" 0.280" N/A
FHS-160-4-U 0.100" 0.260" 0.250" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-5-U 0.100" 0.260" 0.312" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-6-U 0.100" 0.260" 0.375" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-8-U 0.100" 0.260" 0.500" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-10-U 0.100" 0.260" 0.625" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-12-U 0.100" 0.260" 0.750" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-14-U 0.100" 0.260" 0.875" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-16-U 0.100" 0.260" 1.000" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-20-U 0.100" 0.260" 1.250" 0.160" 0.040" 0.189" 0.280" N/A
FHS-160-24-U 0.100" 0.260" 1.500" 0.160" 0.040" 0.189" 0.280" N/A
FHS-167-5-U 0.100" 0.260" 0.312" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-6-U 0.100" 0.260" 0.375" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-8-U 0.100" 0.260" 0.500" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-10-U 0.100" 0.260" 0.625" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-12-U 0.100" 0.260" 0.750" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-14-U 0.100" 0.260" 0.875" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-16-U 0.100" 0.260" 1.000" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-20-U 0.100" 0.260" 1.250" 0.167" 0.040" 0.189" 0.280" N/A
FHS-167-24-U 0.100" 0.260" 1.500" 0.167" 0.040" 0.189" 0.280" N/A
FHS-173-5-U 0.100" 0.260" 0.312" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-6-U 0.100" 0.260" 0.375" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-8-U 0.100" 0.260" 0.500" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-10-U 0.100" 0.260" 0.625" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-12-U 0.100" 0.260" 0.750" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-14-U 0.100" 0.260" 0.875" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-16-U 0.100" 0.260" 1.000" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-20-U 0.100" 0.260" 1.250" 0.173" 0.040" 0.197" 0.280" N/A
FHS-173-24-U 0.100" 0.260" 1.500" 0.173" 0.040" 0.197" 0.280" N/A
FHS-207-5-U 0.135" 0.320" 0.312" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-6-U 0.135" 0.320" 0.375" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-8-U 0.135" 0.320" 0.500" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-10-U 0.135" 0.320" 0.625" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-12-U 0.135" 0.320" 0.750" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-14-U 0.135" 0.320" 0.875" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-16-U 0.135" 0.320" 1.000" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-20-U 0.135" 0.320" 1.250" 0.207" 0.062" 0.236" 0.310" N/A
FHS-207-24-U 0.135" 0.320" 1.500" 0.207" 0.062" 0.236" 0.310" N/A
FHS-215-8-U 0.135" 0.340" 0.500" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-10-U 0.135" 0.340" 0.625" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-12-U 0.135" 0.340" 0.750" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-14-U 0.135" 0.340" 0.875" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-16-U 0.135" 0.340" 1.000" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-20-U 0.135" 0.340" 1.250" 0.215" 0.062" 0.250" 0.310" N/A
FHS-215-24-U 0.135" 0.340" 1.500" 0.215" 0.062" 0.250" 0.310" N/A
FHS-223-8-U 0.135" 0.340" 0.500" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-10-U 0.135" 0.340" 0.625" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-12-U 0.135" 0.340" 0.750" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-14-U 0.135" 0.340" 0.875" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-16-U 0.135" 0.340" 1.000" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-20-U 0.135" 0.340" 1.250" 0.223" 0.062" 0.250" 0.310" N/A
FHS-223-24-U 0.135" 0.340" 1.500" 0.223" 0.062" 0.250" 0.310" N/A
FHS-273-8-U 0.160" 0.380" 0.500" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-10-U 0.160" 0.380" 0.625" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-12-U 0.160" 0.380" 0.750" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-14-U 0.160" 0.380" 0.875" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-16-U 0.160" 0.380" 1.000" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-20-U 0.160" 0.380" 1.250" 0.273" 0.093" 0.312" 0.380" N/A
FHS-273-24-U 0.160" 0.380" 1.500" 0.273" 0.093" 0.312" 0.380" N/A
FHS-281-8-U 0.160" 0.380" 0.500" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-10-U 0.160" 0.380" 0.625" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-12-U 0.160" 0.380" 0.750" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-14-U 0.160" 0.380" 0.875" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-16-U 0.160" 0.380" 1.000" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-20-U 0.160" 0.380" 1.250" 0.281" 0.093" 0.312" 0.380" N/A
FHS-281-24-U 0.160" 0.380" 1.500" 0.281" 0.093" 0.312" 0.380" N/A
Series  FHS-U  /  Metric Sizes
      • Head Shape-  Round
      • Sheet Hardness-  HRB 70 / HB 125 or Less
      • Material-  300 Series Stainless Steel
      • Finish-  Passivated per ASTM A380
Series FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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
FHS-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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