# Irwin® 91145 911 General Purpose Silver & Deming Drill, 45/64 in Drill - Fraction, 0.7031 in Drill - Decimal Inch, 1/2 in Shank

**Brand:** [IRWIN](https://maxsupplyco.com/brands/IRWIN)
**SKU:** 91145-11413
**MPN:** 91145
**Price:** $27.51 · in stock
**URL:** https://maxsupplyco.com/product/irwin-91145

## Features

- 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 non-ferrous 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 at 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° chisel point tip is perfect for general purpose applications
- CW spiral angle
- Create large holes, heavy-duty metal drilling, automotive, body shop and metal fabrication

## Specifications

| Spec | Value |
|---|---|
| UPC | 024721911452 |
| Type | General Purpose |
| Brands | IRWIN |
| Finish | Black Oxide |
| Series | 911 |
| Material | M7 HSS |
| Point Type | Chisel/Standard |
| Shank Type | Flat/Reduced |
| Length (in) | 6 |
| Manufacturer | Stanley Black & Decker |
| Cutting Depth | 3 in |
| Arbor/Shank Size | 1/2 in |
| Package Quantity | 6/Each |
| Cutting Direction | Right Hand |
| Drill Size Decimal (in) | 0.7031 |
| Drill Size Fraction (in) | 45/64 |
| Manufacturer Part Number | 91145 |

## Description

Irwin® Silver & Deming Drill, General Purpose, Series: 911, 45/64 in Drill Size - Fraction, 0.7031 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° Point, Chisel/Standard Point, Right Hand Cutting, M7 HSS Cutting Edge, M7 HSS, Black Oxide, Applicable Materials: Metal, Plastic and Wood.

Features

- 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 non-ferrous 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 at 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° chisel point tip is perfect for general purpose applications

- CW spiral angle

- Create large holes, heavy-duty metal drilling, automotive, body shop and metal fabrication