HFG8 HF109- High Tensile Strength Studs

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High Tensile Strength Studs HFG8-U, HF109-U

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

• Self-clinching • Non-Flush • Strong load bearing threads • For heavy-duty applications
• Installed quickly and easily by squeezing into place • Minimum sheet thickness of 0.040" /1.00 mm

American Standard Sizes: • Series HFG8-U

Metric Sizes: • Series HF109-U

Series HFG8-U

Series HFG8-U / American Standard Sizes

• Head Shape- Round • Sheet Hardness- HRB 89 / HB 180 or Less • Material- Heat-Treated Medium Carbon Alloy Steel • Finish- Zinc Clear Plated per ASTM B633 • Mil-Spec- N/A
	Series HFG8-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

HFG8-032-8Z1-U

10-32

0.105"

0.391"

0.500"

0.077"

0.040"

0.190"

0.280"

0.469"

HFG8-032-12Z1-U

10-32

0.105"

0.391"

0.750"

0.077"

0.040"

0.190"

0.280"

0.469"

HFG8-032-16Z1-U

10-32

0.105"

0.391"

1.000"

0.077"

0.040"

0.190"

0.280"

0.469"

HFG8-0420-8Z1-U

1/4-20

0.125"

0.507"

0.500"

0.090"

0.040"

0.250"

0.340"

0.709"

HFG8-0420-12Z1-U

1/4-20

0.125"

0.507"

0.750"

0.090"

0.040"

0.250"

0.340"

0.709"

HFG8-0420-16Z1-U

1/4-20

0.125"

0.507"

1.000"

0.090"

0.040"

0.250"

0.340"

0.709"

HFG8-0518-12Z1-U

5/16-18

0.140"

0.645"

0.750"

0.126"

0.060"

0.312"

0.402"

0.827"

HFG8-0518-16Z1-U

5/16-18

0.140"

0.645"

1.000"

0.126"

0.060"

0.312"

0.402"

0.827"

Series HF109-U

Series HF109-U / Metric Sizes

• Head Shape- Round • Sheet Hardness- HRB 89 / HB 180 or Less • Material- Heat-Treated Medium Carbon Alloy Steel • Finish- Zinc Clear Plated per ASTM B633 • Mil-Spec- N/A
	Series HF109-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

HF109-M5-15ZI-U

M5 x 0.8

2.60
mm

10.30
mm

15.00
mm

2.06
mm

1.00
mm

5.00
mm

7.30
mm

11.50
mm

HF109-M5-20ZI-U

M5 x 0.8

2.60
mm

10.30
mm

20.00
mm

2.06
mm

1.00
mm

5.00
mm

7.30
mm

11.50
mm

HF109-M5-25ZI-U

M5 x 0.8

2.60
mm

10.30
mm

25.00
mm

2.06
mm

1.00
mm

5.00
mm

7.30
mm

11.50
mm

HF109-M6-15ZI-U

M6 x 1.0

2.70
mm

12.10
mm

15.00
mm

2.29
mm

1.00
mm

6.00
mm

8.30
mm

18.00
mm

HF109-M6-20ZI-U

M6 x 1.0

2.70
mm

12.10
mm

20.00
mm

2.29
mm

1.00
mm

6.00
mm

8.30
mm

18.00
mm

HF109-M6-25ZI-U

M6 x 1.0

2.70
mm

12.10
mm

25.00
mm

2.29
mm

1.00
mm

6.00
mm

8.30
mm

18.00
mm

HF109-M8-20ZI-U

M8 x 1.25

3.40
mm

16.60
mm

20.00
mm

3.25
mm

1.50
mm

8.00
mm

10.30
mm

21.00
mm

HF109-M8-25ZI-U

M8 x 1.25

3.40
mm

16.60
mm

25.00
mm

3.25
mm

1.50
mm

8.00
mm

10.30
mm

21.00
mm

UNICORP Electronic Hardware - Self Clinching Fasteners

Phone: 973-674-1700 Toll Free: 1-800-526-1389 Fax: 973-674-3803

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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