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Metric and NPT Hexagonal Head Stop Plug

Size Metric 12 to 63 and NPT ½ to 2” 
Material Brass BS-249, Brass IS-319 Free Cutting Brass
Application Stop Plug used to close thread entries or means of sealing & stopping unused thread entries in flame proof enclosures.
Treatment Natural Brass in nickel plated brass.
Accessories Thread Seal or O "Ring"

Thread P Thread Length B Total Height L Hex Size A/F
M 12X1.5 12.00 15.00 14.00
M 16X1.5 12.00 15.00 18.00
M 20X1.5 12.00 15.00 23.00
M 25X1.5 15.00 18.50 28.00
M 32X1.5 15.00 19.00 36.00
M 40X1.5 15.00 19.00 44.00
M 50X1.5 15.00 20.00 54.00
M 63X1.5 15.00 20.00 67.00
½ 14.00 19.00 22.00
¾ 16.00 21.00 27.00
1 19.00 24.00 35.00
1.1/4 21.00 27.00 44.50
1/1/2 21.00 27.00 51.00
2 22.00 28.00 63.50