30° Included Angle 3 Flute Negative Rake Chamfer-Hog, 1" Shank, 3.8" Oal. Includes Inserts, Clamps & Screws. Uses Industry Standard 60° Triangle Tnmg-432 C5 Carbide Inserts, Sm-26 Carbide Shims, Cl-5 Insert Top Clamps, 1/4-20 Socket Head Cap Screws And 5-40 Flat Head Screws. Using Industry Standard Tnmg-432 Inserts, These Indexable Chamfer Tools Have Negative Axial Rake. These Have Industry Standard Shims, Sm-26, That Can Be Replaced If The Tool Has Been Crashed Or The Inserts Have Broken. For Use In Any Part Material, These Are Nearly Indestructible!?! Designed By Our Founder And Owner, Alan Baker, When He Was The Head Tool Application Engineer At Fmc, Troubleshooting The Various Operations In The Plant. They Were Having Difficulty Chamfering Large Steel Forgings And This Tool Eliminated That Problem. Proudly Made In The Usa By Ab Tools, Inc. | All Ab Tools, Inc. Indexable Tools Come Supplied With Carbide Inserts, Carbide Shims (If Used), Clamps (If Used), Screws And A Wrench, Completely Assembled And Ready To Use! | Ab Tools Inc. Part #Cha30-3