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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Studs and Pins for Sheet Metal > Type HFLH™ Hard Panel Studs > Type HFLH™ Hard Panel Studs - Metric > Part # HFLH-M8-25ZI  

Part # HFLH-M8-25ZI, Type HFLH™ Hard Panel Studs - Metric


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  • Installs into thinner, harder, high strength steel materials (high strength steel sheets up to 700 MPa maximum ultimate tensile)
  • Allows overall weight reduction for all vehicles
  • Provides lower installed cost
Compare to other thin sheet fastening devices:
  • Addresses environmental concerns
  • Lighter weight
  • Close to edge of panel mounting
  • No embossing required
  • Hardened stud material provides stronger thread strength
  • Can be installed automatically using press or in-die technology





 Specifications   

Thread Size x Pitch

M8 x 1.25

Thread Code

M8

Length Code

25

Min. Sheet Thickness

1.5 mm

Hole Size in Sheet + 0.13

8 mm

L - Length ± 0.4

View
25 mm

H ± 0.25

15.3 mm

S Max.1

3.3 mm

T Max.

2.13 mm

Max. Hole in Attached Parts

10.3 mm

Min. Dist. Hole C/L to Edge

14.5 mm

Tensile strength

900 MPa

For Use in Sheet Hardness2

HRB 96 / HB 216 or Less

Thread Specification

External, ASME B1.1, 2A / ASME B1.13M, 6g

Fastener Material

Heat-Treated Alloy Steel

Standard Finish

Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier

PennEngineering® (PEM®)
1 Threads are gageable to within 2 pitches of the "S" Max. dimension. A class 3B/5H maximum material commercial nut shall pass up to the "S" Max. dimension.
2 HRB - Hardness Rockwell "B" Scale. HB - Hardness Brinell



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