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Product Specifications:
| Item | Screw Machine Drill Bit |
| Application | For Alloy, Tool And Stainless Steels, Cast Iron |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.1695 |
| Depth X Dia. Ratio | 4xd |
| Depthdia. Ratio | 4Xd |
| Drill Bit Dimension Type | Wire |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Material | Cobalt Steel |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | #18 |
| Drill Diameter Tolerance | -0" to +0.0007" |
| Drill Length Class | Screw Machine Length |
| Drill Point Length | 0.0351" |
| Finish | Straw, Bronze |
| Finish - Machining | Straw, Bronze |
| Flute Length | 1 1/16" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | 28° |
| List Number | 559 |
| Material | Cobalt |
| Material - Machining | Cobalt |
| Material Grade - Machining | Grade M42 |
| Max. Drilling Depth | 1 1/16" |
| Number Of Flutes | 2 |
| Overall Length | 2 1/8" |
| Primary Material Application | Cast Iron, Steel, Tool And Die Steel |
| Primary Material Application Iso Code | K, P |
| Shank Dia. | 0.172" |
| Shank Diameter | 11/64" |
| Shank Length | 1 1/16" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Spiral Direction | Right Hand |
| Standards | Not Rated |
| System Of Measurement | Wire |
Shipping Info:
| Ship height (cm) | 2.54 |
| Ship length (cm) | 8.55 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Decimal Equivalent | Shank Dia. | Drill Bit Size | Flute Length | Overall Length | Finish | Shank Length | Drill Point Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
50857 | 0.221 | 0.219" | #2 | 1 5/16" | 2 7/16" | Straw, Bronze | 1 1/8" | 0.0458" | €11.12 | |
![]() |
50859 | 0.209 | 0.203" | #4 | 1 1/4" | 2 3/8" | Straw, Bronze | 1 1/8" | 0.0433" | €10.31 | |
![]() |
51819 | 0.3438 | 0.344" | 11/32" | 1 11/16" | 3" | Tin | 1 5/16" | 0.0712" | €32.94 | |
![]() |
50835 | 0.257 | 1/4" | F | 1 7/16" | 2 5/8" | Straw, Bronze | 1 3/16" | - | €12.93 | |
![]() |
50858 | 0.213 | 0.219" | #3 | 1 1/4" | 2 3/8" | Straw, Bronze | 1 1/8" | 0.0441" | €11.12 | |
![]() |
50850 | 0.368 | 3/8" | U | 1 13/16" | 3 1/8" | Straw, Bronze | 1 5/16" | - | €28.27 | |
![]() |
50915 | 0.04 | 0.047" | #60 | 1/2" | 1 3/8" | Straw, Bronze | 7/8" | 0.008" | €5.45 |
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CHICAGO-LATROBE 50873 Screw Machine Drill Bit, #18 Size, 1 1/16 Inch Flute Length
€7.26 /unit



