Threading Tool, Internal, 1/2" Indexable HSS Triangle Inserts, A R Warner Kit #20![Made in United States](/images/flags/US.32.png)
![Threading Tool, Internal, 1/2" Indexable HSS Triangle Inserts, A R Warner Kit #20](/images/products/480/3571.480.jpg)
- For internal threading
- Includes three T-15 high speed steel TPMW-221 inserts
- Includes two MS-1153 screws and one T-7 wrench
This Arthur R. Warner Co. boring bar for single-point cutting internal threads has 0.5" shank and is 6" long.
Approximately 0.55" minimum hole size.
Uses TPMW-221 and TPMW-222 inserts.
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. Their quality is excellent and LittleMachineShop.com is proud to carry their products.
![Chris](/images/chris.gif)
Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.
Compatibility
This product works with these LittleMachineShop.com products: