PennEngineering
PennEngineering
Corporate Headquarters – Danboro, PA
5190 Old Easton Rd.
Danboro, PA 18916
Phone: 215-766-8853
Toll-Free Phone: 1-800-237-4736 (U.S. only)
Email: info@pemnet.com
Website: www.pemnet.com
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PEM® PreTect™ Thread Masking Plugs reduce labor and protect threads from paint and powder coating processes. PreTect TMthread maskind plugs are avaible 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
PEM<sup>®</sup> PreTect<sup>TM</sup> Thread Masking Plugs
Unit of Measure
1 2 3 4 5 

Part #

Thread Size

A (Shank) Max.

Plug Hardness

Hole Size in Sheet + .003 - .000

E ± .010

Fastener Material

Standard Finish

CAD

CLS-0420-0-TP N/A .250-20 (1/4-20) N/A .045 in N/A Shore a 70 N/A .344 in N/A .440 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-440-1-TP N/A .112-40 (#4-40) N/A 0.038 in N/A Shore a 70 N/A .166 in N/A .250 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-632-1-TP N/A .138-32 (#6-32) N/A 0.038 in N/A Shore a 70 N/A .1875 in N/A .280 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-832-1-TP N/A .164-32 (#8-32) N/A 0.038 in N/A Shore a 70 N/A .213 in N/A .310 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0420-1-TP N/A .250-20 (1/4-20) N/A .054 in N/A Shore a 70 N/A .344 in N/A .440 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0518-1-TP N/A .313-18 (5/16-18) N/A .054 in N/A Shore a 70 N/A .413 in N/A .500 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0616-1-TP N/A .375-16 (3/8-16) N/A .087 in N/A Shore a 70 N/A .500 in N/A .560 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-440-2-TP N/A .112-40 (#4-40) N/A .054 in N/A Shore a 70 N/A .166 in N/A .250 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-632-2-TP N/A .138-32 (#6-32) N/A .054 in N/A Shore a 70 N/A .1875 in N/A .280 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-832-2-TP N/A .164-32 (#8-32) N/A .054 in N/A Shore a 70 N/A .213 in N/A .310 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0420-2-TP N/A .250-20 (1/4-20) N/A .087 in N/A Shore a 70 N/A .344 in N/A .440 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0518-2-TP N/A .313-18 (5/16-18) N/A .087 in N/A Shore a 70 N/A .413 in N/A .500 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0616-2-TP N/A .375-16 (3/8-16) N/A .120 in N/A Shore a 70 N/A .500 in N/A .560 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-440-3-TP N/A .112-40 (#4-40) N/A .087 in N/A Shore a 70 N/A .166 in N/A .250 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-632-3-TP N/A .138-32 (#6-32) N/A .087 in N/A Shore a 70 N/A .1875 in N/A .280 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-832-3-TP N/A .164-32 (#8-32) N/A .087 in N/A Shore a 70 N/A .213 in N/A .310 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0420-3-TP N/A .250-20 (1/4-20) N/A .120 in N/A Shore a 70 N/A .344 in N/A .440 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0518-3-TP N/A .313-18 (5/16-18) N/A .120 in N/A Shore a 70 N/A .413 in N/A .500 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
CLS-0616-3-TP N/A .375-16 (3/8-16) N/A .235 in N/A Shore a 70 N/A .500 in N/A .560 in N/A 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-632-0-TP N/A .138-32 (#6-32) N/A .030 in N/A Shore a 70 N/A .1875 in N/A .280 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-832-0-TP N/A .164-32 (#8-32) N/A .030 in N/A Shore a 70 N/A .213 in N/A .310 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-032-0-TP N/A .190-32 (#10-32) N/A .030 in N/A Shore a 70 N/A .250 in N/A .340 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-0420-0-TP N/A .250-20 (1/4-20) N/A .045 in N/A Shore a 70 N/A .344 in N/A .440 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-632-1-TP N/A .138-32 (#6-32) N/A 0.038 in N/A Shore a 70 N/A .1875 in N/A .280 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
SP-832-1-TP N/A .164-32 (#8-32) N/A 0.038 in N/A Shore a 70 N/A .213 in N/A .310 in N/A Age Hardened A286 Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
Unit of Measure
1 2 3 4 5