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Online literature contains the most current information available.
PEM Type SCBR™ Spinning Clinch Bolt installs by simply pressing it into a properly sized hole. The controlled clinching action permanently captivates the screw and spring in the panel and allows the screw to spin freely in the sheet.

Features and Benefits
  • Permanently captivates into sheets as thin as .040” / 1.02 mm.
  • Spring keeps screw retracted when disengaged.
  • Provides economical self-retracting captive screw.
  • Replaces loose hardware.
  • Allows for close centerline-to-edge distance.
  • RoHS compliant.
Type SCBR screws are shipped with mating springs.
Unit of Measure

Thread Size

N/A .112-40 (#4-40)



Thread Code

N/A 440

Screw Length Code

N/A 8

Min. Sheet Thickness

N/A .040 in

Hole Size in Sheet + 0.003 - 0.000

N/A .112 in

E + .005 -.010

N/A .348 in SCBR_2.jpg

H1 ± .005

N/A .165 in

H2 Ref.

N/A .495 in

L - Length ± .015

N/A .500 in

T Nom.

N/A .130 in

Driver Size

N/A #1 Phillips SCBR_Driver-Size.jpg

Min. Dist. Hole C/L to Edge

N/A .175 in

Thread Specification

N/A ANSI B1.1, 2A


N/A Heat-Treated Carbon Steel


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

Finish Spring

N/A Natural Finish

For Use in Sheet Hardness

N/A HRB 80 or Less (Hardness Rockwell “B” Scale) / HB 150 or Less (Hardness Brinell)

CAD View

N/A Unfastened

CAD Supplier

N/A PennEngineering® (PEM®)