Arizona Sealing Devices, Inc.
Arizona Sealing Devices, Inc.
150 E Alamo Drive, Suite 4
Chandler, AZ 85225-1207

Tel: 480-892-7325
Fax: 480-892-7388
Email: info@azseal.com
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Features:
  • Plugs threaded or unthreaded holes
  • Silicone: premium masking material (due to high temperature rating) can be used multiple times
  • EPDM: a more economical material with slightly reduced heat resistance, but superior chemical resistance. Also reusable
  • Applications: powder coating, e-coating, plating and anodizing
STP Series - Tapered Masking Plugs
STP Series - Tapered Masking PlugsTapered Masking Plugs - 2
Unit of Measure
1 2 3 4 

Item #

Plugs Standard Thread UNC

Plugs Standard Thread M

Dimension A

Dimension B

Dimension C

STP018034-10C N/A 5/16"-18 N/A M8 N/A 0.343 in8.700 mm N/A 0.187 in4.700 mm N/A 1 in25.4 mm
STP012037-12A N/A 5/16"-18 N/A N/A 0.375 in9.500 mm N/A 0.125 in3.200 mm N/A 1.25 in31.800 mm
STP025037A N/A 3/8"-16 N/A M10 N/A 0.375 in9.500 mm N/A 0.250 in6.300 mm N/A 0.75 in19.100 mm
STP012037-12B N/A 5/16"-18 N/A N/A 0.375 in9.500 mm N/A 0.125 in3.200 mm N/A 1.25 in31.800 mm
STP025037D N/A 3/8"-16 N/A M10 N/A 0.375 in9.500 mm N/A 0.250 in6.300 mm N/A 0.75 in19.100 mm
STP025043A N/A 7/16"-14 N/A M10 N/A 0.437 in11.100 mm N/A 0.250 in6.300 mm N/A 1 in25.4 mm
STP025043C N/A 7/16"-14 N/A M10 N/A 0.437 in11.100 mm N/A 0.250 in6.300 mm N/A 1 in25.4 mm
STP035047A N/A 1/2"-13 N/A N/A 0.472 in12.000 mm N/A 0.354 in9.000 mm N/A 0.708 in18.000 mm
STP035047B N/A 1/2"-13 N/A N/A 0.472 in12.000 mm N/A 0.354 in9.000 mm N/A 0.708 in18.000 mm
STP012050-20A N/A N/A N/A 0.500 in12.700 mm N/A 0.125 in3.200 mm N/A 2 in50.8 mm
STP031050A N/A N/A M12 N/A 0.500 in12.700 mm N/A 0.312 in7.900 mm N/A 1 in25.4 mm
STP012050-20B N/A N/A N/A 0.500 in12.700 mm N/A 0.125 in3.200 mm N/A 2 in50.8 mm
STP031050C N/A N/A M12 N/A 0.500 in12.700 mm N/A 0.312 in7.900 mm N/A 1 in25.4 mm
STP039059A N/A 9/16"-12 N/A M14 N/A 0.590 in15.000 mm N/A 0.393 in10.000 mm N/A 1 in25.4 mm
STP039059B N/A 9/16"-12 N/A M14 N/A 0.590 in15.000 mm N/A 0.393 in10.000 mm N/A 1 in25.4 mm
STP043062A N/A 5/8"-11 N/A M16 N/A 0.625 in15.900 mm N/A 0.437 in11.100 mm N/A 0.813 in20.700 mm
STP043062D N/A 5/8"-11 N/A M16 N/A 0.625 in15.900 mm N/A 0.437 in11.100 mm N/A 0.813 in20.700 mm
STP051067A N/A N/A N/A 0.669 in17.000 mm N/A 0.510 in13.000 mm N/A 1 in25.4 mm
STP051067E N/A N/A N/A 0.669 in17.000 mm N/A 0.510 in13.000 mm N/A 1 in25.4 mm
STP055075A N/A 3/4"-10 N/A N/A 0.748 in19.000 mm N/A 0.562 in14.300 mm N/A 1 in25.4 mm
STP055075D N/A 3/4"-10 N/A N/A 0.748 in19.000 mm N/A 0.562 in14.300 mm N/A 1 in25.4 mm
STP062078A N/A N/A M20 N/A 0.787 in20.000 mm N/A 0.630 in16.000 mm N/A 1 in25.4 mm
STP062078D N/A N/A M20 N/A 0.787 in20.000 mm N/A 0.630 in16.000 mm N/A 1 in25.4 mm
STP053079A N/A N/A N/A 0.797 in20.240 mm N/A 0.538 in13.700 mm N/A 0.984 in25.000 mm
STP053079B N/A N/A N/A 0.797 in20.240 mm N/A 0.538 in13.700 mm N/A 0.984 in25.000 mm
Unit of Measure
1 2 3 4