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IBC Tote Thread Types

A Guide On Determining Your IBC Tote Thread Type

Schutz IBC Tank - 275 Gallon

IBC totes (Intermediate Bulk Containers) come equipped with various types of threads that can make it difficult to purchase the correct fittings. From S60X6 (2") male buttress to 2" Camlock male with 2 1/8" BSP, things can get confusing quickly. The guide below is here to help remove any doubt by teaching you the correct way to identify your IBC tote thread type.

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How to measure IBC tank fittings

Step 1: Measure the outside diameter of IBC opening (D1 in the images below).

Step 2: Measure the distance between each thread’s peak (P1 in the images below).

Step 3: Check the illustrations below to find the thread type you have.


IBC Valve Type: S60X6 (2") male buttress

s60x6-2inch-male-buttress.png

  • Name: S60X6 (2") male buttress
  • D1: 60mm (2.36")
  • P1: 6mm (0.24")
  • Standard: DIN 6131 (Schütz do not use this specification, our adapters do fit)
  • Note: Most common thread found on European IBC's

Purchase the S60x6 (2") male buttress


IBC Valve Type: 2" NPS male

2inch-nps-male.png

  • Name: 2" NPS male
  • D1: 59.6mm (2.35")
  • P1: 2.21mm (0.09" - 11.5 TPI)
  • Standard: ANSI B1.20.1-1983
  • Note: American National Standard Straight Pipe Thread

IBC Valve Type: 2" Camlock male with 2" BSP

2inch-camlock-male-with-2inch-bsp.png

  • Name: 2" Camlock male with 2" BSP
  • D1: 63mm (2.48") (59.4mm (2.34") thread)
  • P1: 2.3mm (0.09" 11 TPI)
  • Standard: Camlock- A-A-59326 : 1992 Thread – BS 2779 : 1986
  • Note: Camlock male adapter with added external thread for cheap and compact dust cap

IBC Valve Type: 2" Camlock male with 2 1/8" BSP

2inch-camlock-male-with-2-one-eighth-bsp.png

  • Name: 2" Camlock male with 2 1/8" BSP
  • D1: 63mm (2.48") (62.7mm (2.47") thread)
  • P1: 2.3mm (0.09" 11 TPI)
  • Standard: Camlock- A-A-59326 : 1992 Thread – N/A
  • Note: Camlock male adapter with added external over sized thread for cheap and compact dust cap and added seal area for connecting a female Camlock.

IBC Valve Type: 2" Camlock male adapter

2inch-camlock-male-adapter.png

  • Name: 2" Camlock male adapter
  • D1: 63mm (2.48")
  • P1: N/A
  • Standard: Camlock- A-A-59326 : 1992
  • Note: 2" Camlock male adapter fitted to an IBC

IBC Valve Type: M80X3 male thread

m80x3-male-thread.png

  • Name: M80X3 male thread
  • D1: 80mm (3.15")
  • P1: 3mm (0.12")
  • Standard: ISO 68 (ANSI B1.13M)
  • Note: A 80mm (3.15") metric thread found mainly on the Chinese Kingtainer IBC

IBC Valve Type: S100X8 (3") male buttress

s100x8-3inch-male-buttress.png

  • Name: S100X8 (3") male buttress
  • D1: 97-100mm (3.82" - 3.94")
  • P1: 8mm (0.32")
  • Standard: N/A
  • Note: Found on a lot of 3" outlet IBC's, short length and a large thread depth

Purchase the S100x8 (3") male buttress


IBC Valve Type: 3" Camlock with 3" BSP

3inch-camlock-with-3-inch-bsp.png

  • Name: 3" Camlock with 3" BSP
  • D1: 91.5mm (3.6") (87.7mm (3.45"0) thread)
  • P1: 2.3mm (0.09" 11 TPI)
  • Standard: Camlock- A-A-59326 : 1992 Thread – BS 2779 : 1986
  • Note: Camlock male adapter with added external thread for cheap and compact dust cap