Each model cuts three thread sizes and uses 12-R ratchet threader dies.

Catalog Number
Model No.
Capacity
Weight
Dies Used
in.
mm
lb.
kg
36540
31-A NPT
1/2 – 1
12.0 – 25.0
10
4.60
RH Alloy – NPT
36550
31-A NPT
1/2 – 1
12.0 – 25.0
10
4.60
RH High Speed – NPT

36555
31-A NPT
1/2 – 1
12.0 – 25.0
10
4.60
RH High Speed For Stainless Steel – NPT

65320
31-A BSPT
1/2 – 1
12.0 – 25.0
10
4.60
RH Alloy BSPT
36560
31-A NPSM
1/2 – 1
12.0 – 25.0
10
4.60
RH Alloy – NPSM