Turning Tools, 3/8" Indexable, Carbide, Triangle Inserts, A R Warner

This Arthur R. Warner Co. precision tool holder kits use carbide or high speed steel inserts. These are production quality tool holders that are made in the USA.

The kit contains the following:

AR and AL tool holders with TCMT21.52 inserts

E threading tool holder with TCMT21.51 insert

1 extra TCMT21.52 carbide insert

1 extra Torx screw

1 Torx wrench

Note that TCMW21.51 and TCMW21.52 high speed steel inserts also fit these tool holders.

*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).

Arthur Richard (Dick) Warner founded the company in 1961. A Navy Machinist’s Mate First Class aboard a P.T. Squadrons he gained the valuable knowledge and experience need for a successful career including the position of General Superintendent of Latrobe Steel Company.

In the late 90's AR Warner recognized the need for hobbyists to have access to Industrial Quality Tooling and the convenience of indexability while using a cutting material which is typically better suited for their smaller lathes and milling machines. Overall, we consider T-15 HSS to be the best grade of readily available HSS for wear resistance, toughness, and hot hardness.

Their quality is excellent and LittleMachineShop.com is proud to carry their products.

Use T-15 HSS for:

- Interrupted Cuts

- Underpowered Spindles

- Gummy material like stainless, aluminum, and brass

- Less than rigid setups