Plug Master-Fastening, Sealing, Cushioning System

ADAPTABILITY...

  • Fastens blind holes and closed-end holesCushions and seals similar and non-similar materials
  • Absorbs vibration and seals both sides
  • Tapered design enhances fastening installation
  • Won't crack with ozone and ultra violet exposure

VERSATILITY...

  • Removable and re-insertable
  • Installs with conventional tools
  • Works as a system with SEAL MASTER washers
  • Flange thickness always in proportion to size
  • Grip range covers all dimensions.

AVAILABILITY...

  • Almost any color
  • 12 Standard sizes and 6 fastener diameters
  • EPDM. Custom materials may be available, please consult ESTCO.

Plug Master

Threaded Insert - Fastening, Sealing, Cushioning System.

Save money on higher-quality, ISO-compliant parts. Contact us.



P L U G M A S T E R S I Z E C H A R T

DESCRIPTION

GRIP RANGE

BODY DIAMETER

OVERALL LENGTH

FLANGE O.D

FLANGE THICKNESS

TORQUE

TENSILE

U.S.

METRIC

MIN

MAX

U.S.

METRIC

U.S.

METRIC

U.S.

METRIC

U.S.

METRIC

(In-lbs)

Pull Out

6-32 S M3S 0.015 0.187 0.250 6.3mm 0.562 14mm 0.485 12.1mm 0.062 1.6mm 3.0 110.0
6-32 L M3L 0.312 0.625 0.250 6.3 1.095 27.8 0.485 12.1 0.062 1.6 4.0 110.0
6-32 PDI M3PDI 0.062 0.087 0.312 8 0.562 14 0.485 12.1 0.062 1.6 5.0 450.0
8-32 S M4S 0.062 0.087 0.312 8 0.562 14 0.485 12.1 0.062 1.6 3.0 120.0
8-32 L M4L 0.375 0.875 0.312 8 1.312 33 0.550 13.9 0.062 1.6 5.0 110.0
10-32 S M5S 0.066 0.202 0.375 9.5 0.680 16 0.550 14 0.080 1.6 6.0 300.0
10-32 F M5F 0.093 0.375 0.375 9.5 0.865 22 0.550 13.9 0.040 1.0 5.0 350.0
10-32 L M5L 0.75 1.062 0.375 9.5 1.590 40 0.605 15.4 0.090 2.3 10.0 800.0
1/4-20 S M6S 0.062 0.312 0.490 12.5 0.845 21 0.800 20.3 0.095 2.4 10.0 575.0
1/4-20 SX M6SX 0.031 0.187 0.490 12.5 0.845 21 0.720 18.3 0.185 4.7 10.0 225.0
1/4-20 SXX M6SXX 0.093 0.375 0.490 12.5 0.845 21 0.610 15.5 0.050 1.3 15.0 875.0
1/4-20 J M6J 0.125 0.45 0.490 12.5 1.062 27 0.610 15.5 0.050 1.3 15.0 1250.0
1/4-20 JX M6JX 0.125 0.45 0.490 12.5 1.260 32 0.735 18.7 0.240 6.1 15.0 200.0
1/4-20 R M6R 0.375 0.625 0.490 12.5 1.275 32.4 0.835 21.2 0.100 2.5 10.0 425.0
1/4-20 L M6L 0.375 0.75 0.490 12.5 1.850 47 0.970 24.6 0.110 2.8 20.0 950.0
5/16-18 S M8S 0.024 0.15 0.610 15.5 0.840 21 0.970 24.6 0.110 2.8 25.0 775.0
5/16-18 R M8R 0.25 0.75 0.610 15.5 1.625 41 1.200 30.5 0.125 3.2 15.0 425.0
3/8-16 S M10S 0.024 0.437 0.740 18.8 1.062 27 1.220 31 0.125 3.2 30.0 1125.0
3/8-16 SX M10SX 0.032 0.406 0.740 18.8 1.062 27 1.205 30.6 0.190 4.8 20.0 475.0