UNION BUTTERFIELD Size Silver & Deming Drill

Applications

• Can be used in electric drills and drill presses with 1/2" capacity drill chuck.
• Primarily designed as tools for drilling larger holes with reduced diameter straight shank drills.
• For most drilling operations in a wide array of materials having low and medium tensile strength ratings.
• Intended for those applications where only a 1/2" chuck is available to drive the drills.
• May be used with a wide range of portable or stationary machine tools and with hand held manual drills.
• For optimal performance and the best tool life suitable, lubricating/cutting oils or the appropriate coolant fluids are recommended.

Features

• Right hand (clockwise rotation) cutting direction.
• Standard two flute design.
• Standard spiral, helical flutes.
• All drills have reduced shanks that are 1/2" in diameter.

Technical Data

• Manufactured from high speed steel.
• 118° point angle and standard web thickness.

• Surface treated.
• Black finish.

Notes

• Special care should be exercised when using these drills to avoid bending or shearing the reduced diameter drill shank.