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  • PEM<sup>®</sup> PreTect<sup>TM</sup> Thread Masking Plugs

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
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Part #

Thread Size

A (Shank) Max.

Plug Hardness

Hole Size in Sheet + .003 - .000

E ± .010

Fastener Material

Standard Finish

CAD

N/A .112-40 (#4-40) N/A .030 in N/A Shore a 70 N/A .166 in N/A .250 in N/A Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
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 Heat-Treated Carbon Steel N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless N/A CAD Icon (for items table)
N/A .112-40 (#4-40) N/A .030 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)
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 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
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 300 Series Stainless Steel N/A Passivated and/or tested per ASTM A380 N/A CAD Icon (for items table)
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