This RIDGID 811A Optional Die Head BSPT has a (QO) Quick Opening manual release for user-specified thread lengths. It is ideal for use with 2in threading machines and is used to cut threads in a right direction.

Specification

Model: 811A.
Thread Direction: Right Handed.
Oil Through Head: Yes.
Die Type: Universal.
Capacity: Pipe 3-50mm (1/8 - 2in), Bolt: 6-50mm (1/4 - 2in).
Weight: 5.9kg.