Dormer A022 1/4 Bright TiN Tipped High Speed Steel Screw Machine Length Drill 135 Degree Split Point 0588710

The Dormer A022 Stub-Length, Tin-Tipped, General-Purpose, Round-Shank Drill Bit Drills Holes Into A Wide Variety Of Metals And Synthetic Materials. It Can Drill To a Depth Up To Two-And-A-Half Times The Diameter Of The Drill Size. The Shank Diameter Is The Same As The Drill Size. The A022 Series Has A Type N Flute Form, With A Regular Helix (21 To 34 Degrees) Angle, And Are Most Suitable For Drilling Into Steel, Cast Iron, And Aluminum Magnesium. The Tin Finish Is A Gold-Colored Ceramic Coating That Is Hard And Has Low Friction, Permitting Faster Cutting Speeds Than Uncoated Materials. Drill Bit Sizes Less Than 2.00 MM/0.0787 Inch Only Have An Uncoated Finish. The Short-Stub Length Has More Rigidity For Drilling Straighter, Shallower Holes Than Jobber-Length Bits.