Imperial 80607 Reduced Shank Drill Bit, 1/2", Black Oxide Passage 5 nominal micron rating)

5 nominal micron rating)

Hole Diameter: 2-3/8"

Tapeless technology

Fills dents

On Center Measurement: 4"

Imperial 80607 Reduced Shank Drill Bit, 1/2", Black Oxide Passage 5 nominal micron rating)High quality M 7 steel is superior to standard M 50 steel. Self centering, 135 split point eliminates center punching. Resists breakage even while drilling at difficult angles. Drills cooler will not overheat eliminates chip welding. Special design allows for easy drilling of stainless and high alloy steel. Highlights: Size: 1 2" Overall Length: 6" Decimal Equivalent: 0. 5000 Shank Diameter: 0. 3750" Grade: M7 Shank Type: Straight Finish: Black Oxide