JIS fittings are manufactured with the BSP thread forms as below:
BSPP Threads: ISO 228-1 G, JIS B 0202
BSPT Threads: ISO 7/1, JIS B 0203
JIS B2351 Port Threads and O-Rings as shown with pipe thread chart, thread pitch chart,
G thread Dash szie
1/8-28 2
1/4-19 4
3/8-19 6
1/2-14 8
3/4-14 12
1-11 16
If more info, and JIS thread adapters, please feel free to contact us.
