Self-Clinching Blind Fasteners – Types B, BS


Self-Clinching Blind Fasteners – Types B, BS

PEM® brand self-clinching blind fasteners provide permanently mounted blind threads in metal sheets as thin as .040”.– Provides barrier to protect threads against foreign matter.

  • Protects internal components from intrusion of screws.

PEM blind fasteners employ the proven PEM self-clinching design and are easily installed in properly sized holes. Shanks of PEM fasteners act as their own pilots. PEM blind fasteners can be installed with any standard press applying squeezing forces between parallel surfaces.

PEM self-clinching blind fasteners are available in thread sizes from #4-40 through 1/4-20 in carbon or stainless steel.


Thread Code
Thread Size
.112-40 (#4-40)
Thread Specification
2B, ANSI B1.1, Internal
Shank Code
Fastener Material
Heat-Treated Carbon Steel
Standard Finish
colorless, SC1 (5µm), Type III, Zinc plated per ASTM B633
For Use in Sheet Hardness
HRB 80 / HB 150 or less
Product Category
Self-Clinching Blind Fasteners – Types B, BS
CAD Supplier
PennEngineering® (PEM®)
Application Type
Aerospace, Automotive, Automotive Electronics, Commercial Vehicles, Datacom, Electric Vehicle Chargers, Electric Vehicles, Electronics, Industrial, Manufacturing & Sheet Metal Fabrication, Marine, Medical, Renewable Energy, Telecom
Base Panel Material
Aluminum, Steel
Fastener Characteristics
Threaded Internal
Automotive, Automotive Electronics, Datacom & Telecom, Defense, Electic Vehicles, Industrial & Commercial, Medical
Installation Equipment/Method
C-Frame Automatic Feed, C-Frame Manual Feed
Product Type
Technology Type
A Shank Max
B Max._in
E ± .010_in
F Min._in
Hole Size in Sheet + .003 – .000_in
L Max._in
Min. Dist. Hole C/L to Edge_in
Min. Sheet Thickness_in
C Max._in
T ± .010_in


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