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Your cart is empty. This A R Warner precision threading tool will turn both internal and external threads. You can mount inserts on both ends. One end mounts the insert at the end of the tool for external threading. The mount on the other end is offset. Mount the insert one way for internal threading. Turn the insert around and you can use the tool for external threading too.
The minimum bore diameter for internal threading is 1.375". The maximum thread depth is 0.100".
The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel (and tool steel). Their quality is excellent and LittleMachineShop.com is proud to carry their products.
JMF Jr
Reviewed in the United States on July 22, 2020
Shipped really fast and by far my favorite threading tool. I use it for threading rifle bbl with HSS inserts. Works well for threading in reverse as well, just flip the insert over.
Jeremy S
Reviewed in the United States on March 25, 2017
Great value
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