SP-0420-1-TP

PEM® PreTect™ Thread Masking Plugs

SP-0420-1-TP

PEM® PreTect™ Thread Masking Plugs

PEM® PreTect™ Thread Masking Plugs reduce labor and protect threads from paint and powder coating processes. PreTect™ Thread Masking Plugs are available for standard type self-clinching nuts in variety of thread sizes and materials.

Features include:

  • Fasteners are shipped with plugs already in place.
  • Plugs easily removed by end user with fine tip tool.
  • Plugs can withstand 482˚F/250˚C temperatures

Specifications

Thread Code
420
Thread Size
1/4-20
Thread Specification
2B, ASME B1.1, Internal
Shank Code
1
Fastener Material
Age Hardened A286 Stainless Steel 
Standard Finish
Passivated and/or tested per ASTM A380
For Use in Sheet Hardness
HRB 90 / HB 185 or Less
CAD Supplier
PennEngineering® (PEM®)
PD _in
0.216in
PEM Product Family
PreTect
PL _in
0.067in
Unit (Metric/Unified)
Unified
A Shank Max
0.054in
E .010_in
.440 in
Hole Size in Sheet + 0.003 – 0.000_in
.344 in
Min. Dist. Hole C/L to Edge_in
.34 in
C Max._in
.343 in
Rec. Min. Sheet Thickness_in
.056 in
T .010_in
.170 in

Installation & Performance Data

cl-sp-nuts-unified
TYPE THREAD CODE SHANK CODE TEST SHEET MATERIAL INSTALLATION (lbs.) PUSHOUT (lbs.) TORQUE-OUT (in. lbs.)
SP 0420 1 304 Stainless Steel 13500 450 150
SP 0420 2 304 Stainless Steel 13500 600 170

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