FH4-440-5 - Self-Clinching Studs for Stainless Steel Sheets - Types FH4™ and FHP™ - PEM® Fastening Products

FH4-440-5

Self-Clinching Studs for Stainless Steel Sheets – Types FH4™ and FHP™

Studs / FH4-440-5
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FH4-440-5

Self-Clinching Studs for Stainless Steel Sheets – Types FH4™ and FHP™

PEM® self-clinching studs are installed by placing them in properly sized holes in the sheets and squeezing into place with any standard press. The squeezing action embeds the head of the stud into the sheet. The metal displaced by the head flows smoothly and evenly around the ribs and into the annular groove – creating a flushhead assembly and securely locking the stud into the sheet with high torque-out and pushout resistances.

FH4 & FHP (flush-head) Studs for Stainless Steel are designed to provide strong threads in stainless steel sheets as thin as .040” . Type FHP studs have high corrosion resistance. Both types are designed for use in stainless steel sheets with a hardness of 92 or less on the Rockwell “B” scale- Recommended for use in stainless steel sheets HRB (Rockwell “B” Scale) 92 or less and HB (Hardness Brinell) 195 or less.

  • Type FHP offers high corrosion resistance and ideal for medical, foodservice, and marine applications.

Specifications

Thread Code
440
Thread Size
.112-40 (#4-40)
Thread Specification
2A, ASME B1.1
Fastener Material
400 Series Stainless Steel
Standard Finish
Passivated and/or tested per ASTM A380
For Use in Sheet Hardness
HRB 92 / HB 195 or Less
Product Category
Self-Clinching Studs for Stainless Steel Sheets – Types FH4™ and FHP™ – Unified
Thread Type
External
Brand
PEM
PEM Product Family
FH4
Product Type
Studs
H ± .015_in
0.176in
Hole Size in Sheet +.003 – .000_in
in
L Len Pm 015in Or 4mm
0.312in
Min. Dist. Hole C/L to Edge_in
0.219in
S Max._in
0.085in

Installation & Performance Data

Type Thread Code Test Sheet Material Installation (lbs.) Anvil Dim A +.003 -.000 (in.) Anvil Dim B ±.002 (in.) Anvil Dim C ±.002 (in.) Anvil Dim P ±.001 (in.) Anvil Dim R1 Max. (in.) Anvil Dim R2 Max. (in.) Haeger Part Number Anvil Haeger Punch Pemserter Part Number Anvil Pemserter Punch PULL THRU (lbs.) Pushout (lbs.) REC. NUT TIGHTENING TORQUE (in. lbs.) SHEET HARDNESS HRB TEST SHEET THICKNESS & MATERIAL Torque-out (in. lbs.) Haeger Part Number Punch Pemserter Part Number Punch Test Sheet Thickness
FH4 440 9000 0.113 0.144 0.174 0.01 0.003 0.005 H-181-4L H-108-0020L 8001645 975200048 800 450 11 87 .060″ Stainless Steel 16
FH4 440 Stainless Steel 9000 0.113 0.144 0.174 0.101 0.003 0.005 H-181-4L 8001645 800 450 11 87 16 H-108-0020L 975200048 .060”

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