Specifications
| Drill Bit Size (Inch): 5/16 | Drill Bit Size (Decimal Inch): 0.3125 |
| Drill Bit Material: HSS | Drill Point Angle (Degrees): 118 |
| Coating/Finish: Oxide | Flute Type: Regular Spiral |
| Cutting Direction: Right Hand | Point Type: Standard |
| Primary Workpiece Material: Cast Iron; Steel | Coolant Through: No |
| Number of Flutes: 2 | Flute Length (mm): 80.96 |
| Flute Length (Decimal Inch): 3.1875 | Flute Length (Inch): 3-3/16 |
| Shank Diameter (Decimal Inch): 0.3125 | Overall Length (mm): 114.30 |
| Overall Length (Inch): 4-1/2 | Spiral Type: Regular |
| Overall Length (Decimal Inch): 4.5000 | Proprietary Coating/Finish: Black Oxide |
| Series: 150 | Shank Diameter (Inch): 5/16 |
| Shank Length (mm): 33.34 | Shank Length (Decimal Inch): 1.3125 |
| Drill Bit Diameter Tolerance: -0.0010 to 0.0000 in | Web Thinning: Web-Thinned |
| Web Configuration: Tapered | Shank Type: Straight |
| Tool Performance: General Purpose | Standards: DIN 338 |
| Drill Bit Grade: General Purpose | Drill Bit Size Range (Decimal Inch): 0.3000 – 0.3500 |
| Country of Origin: UNITED STATES | |
| Drill Bit Size (Inch): 5/16 | |
| Drill Bit Size (Decimal Inch): 0.3125 | |
| Drill Bit Material: HSS | |
| Drill Point Angle (Degrees): 118 | |
| Coating/Finish: Oxide | |
| Flute Type: Regular Spiral | |
| Cutting Direction: Right Hand | |
| Point Type: Standard | |
| Primary Workpiece Material: Cast Iron; Steel | |
| Coolant Through: No | |
| Number of Flutes: 2 | |
| Flute Length (mm): 80.96 | |
| Flute Length (Decimal Inch): 3.1875 | |
| Flute Length (Inch): 3-3/16 | |
| Shank Diameter (Decimal Inch): 0.3125 | |
| Overall Length (mm): 114.30 | |
| Overall Length (Inch): 4-1/2 | |
| Spiral Type: Regular | |
| Overall Length (Decimal Inch): 4.5000 | |
| Proprietary Coating/Finish: Black Oxide | |
| Series: 150 | |
| Shank Diameter (Inch): 5/16 | |
| Shank Length (mm): 33.34 | |
| Shank Length (Decimal Inch): 1.3125 | |
| Drill Bit Diameter Tolerance: -0.0010 to 0.0000 in | |
| Web Thinning: Web-Thinned | |
| Web Configuration: Tapered | |
| Shank Type: Straight | |
| Tool Performance: General Purpose | |
| Standards: DIN 338 | |
| Drill Bit Grade: General Purpose | |
| Drill Bit Size Range (Decimal Inch): 0.3000 – 0.3500 | |
| Country of Origin: UNITED STATES |
| MSC# | 81181208 |
| Mfr# | 44020 |
| Big Book# | 10 |

















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