Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC
Groco Thru-Hull Fittings - THC

Groco Thru-Hull Fittings – THC

£0.00

High quality bronze (C83600) thru hull fitting in both NPSM/NPT and BSPP threads. 4″ and 5″ sizes are manufactured using C84400 bronze.

Manufactured from high quality (C83600) bronze, these thru hull fittings are available in ½” to 5” sizes. Note 4″ and 5″ sizes are manufactured using C84400 bronze.

Unsure on your exact requirement, call our expert technical advice team on 01202 624244 or use our live chat functionality.

  • NPSM / NPT combination thread
  • C83600 Bronze (4″ and 5″ sizes are C84400 bronze)
  • NPT & British Standard Pipe Parallel (BSPP) thread options
  • NPT Sizes from 1/2″ to 5″
  • BSPP thread meets ISO-9093-1
  • BSPP Sizes from 1/2″ to 4″
  • Made in the USA
  • NPT or BSPP thru hull fitting
  • Installation instructions

BSPP Thread Sizing:
BSPP Thread Sizing

NPT Thread Sizing:
NPT Thread Sizing