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Product Specifications:
| Item | Reduced Shank Drill Bit |
| Coolant Fed | Non-Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 1.2344 |
| Depth X Dia. Ratio | 4xd |
| Depthdia. Ratio | 4Xd |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Finish | Black Oxide |
| Drill Bit Material | High Speed Steel |
| Drill Bit Point Angle | 118° |
| Drill Bit Point Type | Conventional Point |
| Drill Bit Size | 1 15/64" |
| Drill Diameter Tolerance | -0.0015" to 0" |
| Finish | Black Oxide |
| Finish - Machining | Black Oxide |
| Flute Length | 3 1/8" |
| Flute Type | Spiral |
| Grade | General Purpose |
| Helix Angle | 28° |
| Left/right Hand | Right |
| List Number | 190 |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Material Grade - Machining | General Purpose |
| Max. Drilling Depth | 4.938" |
| Maximum Drilling Depth | 4 15/16" |
| Number Of Flutes | 2 |
| Overall Length | 6" |
| Point Angle | 118° |
| Point Type | Conventional Point |
| Primary Material Application | Cast Iron, Steel, Wood |
| Primary Material Application Iso Code | K, O, P |
| Shank Dia. | 1/2" |
| Shank Length | 2 1/4" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Silver & Deming Drill | Yes |
| Size | 1.234" |
| Spiral Direction | Right Hand |
| Standards | Not Rated |
| System Of Measurement | Fractional Inch |
Shipping Info:
| Ship weight (kg) | 0.45 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 16 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Decimal Equivalent | Material | Primary Material Application | Drill Bit Size | Drill Bit Point Type | Finish | Max. Drilling Depth | Drill Diameter Tolerance | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
55490 | 1.4062 | High Speed Steel | Cast Iron, Steel, Wood | 1 13/32" | Conventional Point | Black Oxide | 5 5/8" | -0.0015" to 0" | €413.33 | |
![]() |
55477 | 1.2031 | High Speed Steel | Cast Iron, Steel, Wood | - | - | Black Oxide | 4 13/16" | - | €225.45 | |
![]() |
52479 | 1.2344 | High Speed Steel | Cast Iron, Steel, Wood | 1 15/64" | Split Point | Black Oxide | 4.938" | -0.0015" to 0" | €245.42 | |
![]() |
55483 | 1.2969 | High Speed Steel | Cast Iron, Steel, Wood | 1 19/64" | Conventional Point | Black Oxide | 5.188" | -0.0015" to 0" | €357.85 | |
![]() |
53475 | 1.1875 | Cobalt | Cast Iron, Steel | - | - | - | 4 3/4" | - | €403.92 | |
![]() |
53664 | 1 | Cobalt | Cast Iron, Steel | 1" | Split Point | Tin | 4" | -0.0012" to 0" | €294.10 | |
![]() |
53644 | 0.6875 | Cobalt | Cast Iron, Steel | 11/16" | Split Point | Tin | 2 3/4" | -0.0012" to 0" | €152.67 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
CHICAGO-LATROBE 55479 Reduced Shank Drill Bit, 1 15/64 Inch Size, 3 1/8 Inch Flute Length
€227.61 /unit



