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Self-clinching high-strength studs
HFHS-M8-25
Type HFH (carbon steel)
Type HFHS (stainless steel)
M5-M10 HFH high-strength studs for extremely high pull-through and torque-out applications. Head protrudes 1, 1-2, 3 mm after installation. Available in different lengths.

Technical Specification
Thread d1
M8
Min. sm
2.0 mm
L ±0.4
25 mm
Hole-Ø in the sheet
+0.13
0
8 mm
Material
Passivated grade 18/8 stainless steel (AISI 300).
3D-Data available
Order description
HFHS-M8-25
d2 ±0.25
12.5 mm
d3
8.1 mm
Max. a
3.5 mm
Max. t
1.78 mm
Min. edge distance up to the hole centre
12.7 mm
Use
For sheet hardnesses up to HRB 70.
Tools
Identify order numbers of PEMSERTER® tools (anvils and punches): Tooling Selector