Irwin® 90188

Irwin® Silver & Deming Drill, General Purpose, Series: 901, 1-3/8 in Drill Size - Fraction, 1.375 in Drill Size - Decimal Inch, 6 in Overall Length, 3 in Cutting Depth, 2 Flutes, Spiral Flute, 3 in Flute Length, 1/2 in Shank, Flat/Reduced Shank, 118 deg Point, Chisel/Standard Point, Right Hand Cutting, M7 HSS Cutting Edge, M7 HSS, Black Oxide, Applicable Materials: Metal, Plastic and Wood

• Type General Purpose
• Series 901
• Drill Size - Fraction 1-3/8 in
• Drill Size - Decimal Inch 1.375 in
• Overall Length 6 in
• Cutting Depth 3 in
• Number of Flutes 2
• Flute Type Spiral
• Flute Length 3 in
• Shank Size 1/2 in
• Shank Type Flat/Reduced
• Point Angle 118 deg
• Point Type Chisel/Standard
• Cutting Direction Right Hand
• Cutting Edge Material M7 HSS
• Material M7 HSS
• Finish Black Oxide
• Applicable Materials Metal, Plastic and Wood

• Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications
• Three flatted shank design provides better chuck grip and reduces slippage, ideal for use in keyless chucks
• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications on both ferrous and nonferrous materials
• Oxide coating prevents chip building, galling and welding on the workpiece
• Round shanks with flats are ground flat on three sides for increased chuck grip, reducing slippage and help centering the drill in the chuck
• All silver and deming bits are 6 in long and feature a 1/2 in reduced shank that fits all 1/2 in drills
• Engineered with premium high speed steel with black oxide coating for corrosion resistance
• They are used with portable drills and drill presses on ferrous and non-ferrous materials
• 118 deg chisel point tip is perfect for general purpose applications
• CW spiral angle