CLS-440-3-TP

PEM® PreTect™ Thread Masking Plugs

CLS-440-3-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
440
Thread Size
#4-40
Thread Specification
2B, ASME B1.1, Internal
Shank Code
3
Fastener Material
300 Series Stainless Steel
Standard Finish
Passivated and/or tested per ASTM A380
For Use in Sheet Hardness
HRB 70 / HB 125 or Less
CAD Supplier
PennEngineering® (PEM®)
PD _in
0.098in
PEM Product Family
PreTect
PL _in
0.005in
Unit (Metric/Unified)
Unified
A Shank Max
0.087in
E .010_in
.250 in
Hole Size in Sheet + 0.003 – 0.000_in
.166 in
Min. Dist. Hole C/L to Edge_in
.19 in
C Max._in
.165 in
Rec. Min. Sheet Thickness_in
.090 in
T .010_in
.070 in

Installation & Performance Data

cl-s-cls-clss-nuts-unified
TYPE THREAD CODE SHANK CODE TEST SHEET MATERIAL INSTALLATION (lbs.) PUSHOUT (lbs.) TORQUE-OUT (in. lbs.)
S, CLS 256, 348, 440 0 5052-H34 Aluminum 1500-2000 63 8
S, CLS 256, 348, 440 1 5052-H34 Aluminum 1500-2000 90 10
S, CLS 256, 348, 440 2 5052-H34 Aluminum 1500-2000 170 13
S, CLS 256, 348, 440 3 5052-H34 Aluminum 1500-2000 170 13
S, CLS 256, 348, 440 0 Cold-Rolled Steel 2500-3500 105 13
S, CLS 256, 348, 440 1 Cold-Rolled Steel 2500-3500 125 15
S, CLS 256, 348, 440 2 Cold-Rolled Steel 2500-3500 230 18
S, CLS 256, 348, 440 3 Cold-Rolled Steel 2500-3500 230 18

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