Helical Solutions 53197 | HSV-RN-L-40375-R.030 3/8" Diameter x 3/8" Shank x 1/2" LOC x 4-1/8" Reach x 6" OAL x 0.0300" Corner Radius 4 Flute Aplus Coated Solid Carbide Reduced Neck End Mill For Steels, High-Temp Alloys & TitaniumProduct Specifications Tool Description HSV RN L 40375 R. 030 Mill Diameter (Inch) 3 8" Mill Diameter (Decimal Inch) 0. 3750" Number of Flutes 4 Length of Cut (Inch) 1 2" Length of Cut (Decimal Inch) 0. 5000" Material Solid Carbide Overall Length (Inch) 6" Overall Length (Decimal Inch) 6. 0000" Shank Diameter (Inch) 3 8" Shank Diameter (Decimal Inch) 0. 3750" Finish Coating Aplus Overall Reach (Inch) 4 1 8" Overall Reach (Decimal Inch) 4. 1250" Center