TFH-832-20ZI

Non-Flush Studs – Types TFH, TFHS

TFH-832-20ZI

Non-Flush Studs – Types TFH, TFHS

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.

TFH (non-flush) Studs are for sheets as thin as .020 inches. They may also be used in thicker sheets where flush head studs are not required. TFH studs are installed in the sheets in the same manner as flush-head studs; however, different punches and anvils are required. When installed, the TFH stud will be securely locked into the thin sheet with ample torque-out and pushout resistances. The stud head will not be flush but will project above the sheet surface approximately .025 in.- Non-flush for sheets as thin as .020”.

  • Type TFH is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 80 or less and HB (Hardness Brinell) 150 or less.
  • Type TFHS is recommended for use in steel or aluminum sheets HRB (Rockwell “B” Scale) 70 or less and HB (Hardness Brinell) 125 or less.

Specifications

Thread Code
832
Thread Size
#8-32
Thread Specification
2A, ANSI B1.1, External
Fastener Material
Carbon Steel
Standard Finish
Zinc plus Clear Chromate
For Use in Sheet Hardness
HRB 80 / HB 150 or less
Length Code
20
Product Category
Non-Flush Studs – Types TFH, TFHS
CAD Supplier
PennEngineering® (PEM®)
CADPartID
103712
Application Type
Automotive, Datacom, Electric Vehicles, Telecom
Base Panel Material
Aluminum, Steel
Brand
PEM
Fastener Characteristics
Threaded External
Industry
Automotive, Datacom & Telecom, Industrial & Commercial
Installation Equipment/Method
C-Frame Automatic Feed, C-Frame Manual Feed, In-Die
PEM Product Family
FH
Product Type
Studs
Technology Type
Self-Clinching
Unit (Metric/Unified)
Unified
H ± .015_in
0.234in
Hole Size in Sheet + .003 – .000_in
0.163in
L Len Pm 015in Or 4mm
1.25in
Max. Hole in Attached Parts_in
0.183in
Min. Dist. Hole C/L to Edge_in
0.281in
Min. Sheet Thickness_in
0.02in
S Max._in
0.07in
T Max._in
0.025in

Resources

Installation & Performance Data

fh-tfh-tfhs-studs-unified
TYPE THREAD CODE REC. NUT TIGHTENING TORQUE (in. lbs.) TEST SHEET THICKNESS & MATERIAL SHEET HARDNESS HRB INSTALLATION (lbs.) PUSHOUT (lbs.) TORQUE-OUT (in. lbs.) PULL THRU (lbs.) PULL THRU TEST BUSHING HOLE SIZE (in.)
TFH 832 19 .025" Aluminum 41 2100 94 14 943 .184
TFH 832 21 .022" Steel 57 3500 111 23 1065 .184

Inventory

Distributor Quantity Contact Phone Address Locations

Search

What are you looking for?

You can search our website in different ways. You can search for inventory or product specifications using the full part number or partial part number. You don’t even need to type the words “inventory” or "product spec"!
Examples of what to type:
Full or partial part number: “S-632-1ZI”, “CLS 632” Type: “CLS”, “FH”, “SO” Website content: “Self-clinching Nuts” or “PEM studs”