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Product Specifications:
| Item | Extension Drill |
| Application | For Alloy And Carbon Steel And Cast Iron |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.3125 |
| Depth Dia. Ratio | 4Xd |
| Dimensions Type | Fractional Inch |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Finish | Black Oxide |
| Drill Bit Material | High Speed Steel |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 5/16" |
| Drill Length Class | Extra Long |
| Drill Point | 135° |
| Drill Point Length | 0.0647" |
| Finish | Black Oxide |
| Finish-machining | Black Oxide |
| Flute Length | 3 3/16" |
| Flute Type | Spiral |
| Fractional Size | 5/16" |
| Grade | High Performance |
| Helix Angle | 28° |
| List Number | 912CAT |
| Material | High Speed Steel |
| Material Grade | Heavy Duty |
| Material Grade-machining | HIGH PERFORMANCE |
| Material-machining | High Speed Steel |
| Max. Drilling Depth | 1 1/4" |
| No. Of Flutes | 2 |
| No. Of Pieces | 1 |
| Overall Length | 12" |
| Point Angle | 135° |
| Point Type | Split Point |
| Shank Dia. | 5/16" |
| Shank Length | 8 13/16" |
| Shank Type-machining | Straight |
| Size | 5/16" |
| Spiral Direction | Right Hand |
| System Of Measurement | Imperial |
| Type | Standard |
Shipping Info:
| Ship weight (kg) | 0.1 |
| Ship height (cm) | 0.76 |
| Ship length (cm) | 30.48 |
| Ship width (cm) | 0.76 |
| HS code | 8207504030 |
| Country of Origin | US |
Product Variants
| Model | Flute Length | Max. Drilling Depth | Drill Length Class | Drill Bit Size | Shank Length | Shank Dia. | Drill Point Length | Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 40474 | 2 3/4" | 1" | Jobber Length | 1/4" | 3 1/4" | 1/4" | 0.0518" | 1/4" | €12.91 | |
| 40476 | 2 15/16" | 1 1/8" | Jobber Length | 9/32" | 3 1/16" | 17/64" | 0.0582" | 9/32" | €28.27 | |
| 40574 | 2 3/4" | 1" | Extra Long | 1/4" | 9 1/4" | 1/4" | 0.0518" | 1/4" | €20.03 | |
| 40576 | 2 15/16" | 1 1/8" | Extra Long | 9/32" | 9 1/16" | 17/64" | 0.0582" | 9/32" | €26.56 | |
| 40580 | 3 7/16" | 63/64" | Extra Long | 11/32" | 8 9/16" | 11/32" | 0.0712" | 11/32" | €34.09 | |
| 40584 | 3 7/8" | 1 5/8" | Extra Long | 13/32" | 8 1/8" | 25/64" | 0.0841" | 13/32" | €43.17 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
CHICAGO-LATROBE 40578 Extension Drill 5/16 x 12 Inch High Speed Steel Black Oxide
€34.85 /unit
