HSS STR Shank 3 Flute Import Core Drill, 3/8" DIA x 4-1/4" Flute x 6-3/4" OAL

This Master Drill Set features 3-in-1 General Purpose HSS Black Oxide Jobber Length Drills with 118° Point. Includes: Fractional 1/16" to 1/2" Drills by 64ths #1 to #60 Wire Letter A to Z Drills Metal Index Case

High Speed Steel TMX Black Oxide General Purpose 118° point Jobber Drill. HSS Jobber Drill Number Size, 60 pc. 1-60 Compl. W/Box. Black Oxide increases the drills ability to retain coolant thus reducing chip welding

Applications: Used to enlarge existing holes Features: Standard 3 flute design Right hand (clockwise rotation) cutting direction Since chip loads are spread over a greater number of cutting edges, reduce regular drill speed 25% and double feed rate Normal spiral - helical flutes Standard shanks that correspond to the drill diameter Normal length drills have flutes proportional to length

HSS Taper Shank Drill Applications: General purpose HSS drills designed for drilling holes in a variety or normal steels, cast iron, and other ferrous and non-ferrous metals and alloys Suitable for a variety of drilling applications and conditions Taper shanks are sized by the standard Morse taper sizes To achieve optimal performance and extended tool life, suitable lubricating/cutting oils or appropriate coolant fluids are recommended for most drilling operations Available in a wide range of Diameters and Lengths Features: Right hand (clockwise rotation) cutting direction Standard two ...

Applications: General purpose HSS drills designed for drilling holes in a variety or normal steels, cast iron, and other ferrous and non-ferrous metals and alloys Suitable for a variety of drilling applications and conditions Taper shanks are sized by the standard Morse taper sizes To achieve optimal performance and extended tool life, suitable lubricating/cutting oils or appropriate coolant fluids are recommended for most drilling operations Available in a wide range of Diameters and Lengths Features: Right hand (clockwise rotation) cutting direction Standard two flute design Normal ...