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Product Specifications:
| Item | Jobber Length Drill Bit |
| Aircraft Drill | Yes |
| Application | For Alloy Steel, Carbon Steel And Cast Iron |
| Coolant Fed | Non-Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.159 |
| Depthdia. Ratio | 4Xd |
| Drill Bit Dimension Type | Wire |
| Drill Bit Finish | Bright |
| Drill Bit Material | High Speed Steel |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | #21 |
| Drill Diameter Tolerance | -0" to +0.0007" |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.0329" |
| Finish | Bright |
| Finish - Machining | Bright (Uncoated) |
| Flute Length | 2 1/8" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | +21° to +34° |
| Left/right Hand | Right |
| List Number | 3957 |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Material Grade - Machining | HIGH PERFORMANCE |
| Max. Drilling Depth | 5/8" |
| Measurement System | Wire |
| No. Of Pieces | 1 |
| Number Of Flutes | 2 |
| Overall Length | 6" |
| Point Angle | 135° |
| Point Type | Split Point |
| Primary Material Application | Aluminum, Brass, Bronze, Copper, Steel |
| Primary Material Application Iso Code | N, P |
| Secondary Material Application | Cast Iron, Stainless Steel |
| Secondary Material Application Iso Code | K, M |
| Series | 3957-6 Series |
| Shank Dia. | 5/32" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Size | #21 |
| Spiral Direction | Right Hand |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 15.49 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Decimal Equivalent | Shank Dia. | Max. Drilling Depth | Flute Length | Overall Length | Drill Bit Size | Drill Bit Point Angle | Drill Point Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
C73438 | 0.1935 | 3/16" | 3/4" | 2 7/16" | 3 5/8" | #10 | 118° | 0.0581" | €6.83 | |
![]() |
C13132 | 0.1935 | 0.188" | 49/64" | 2.438" | 6" | - | - | 1/25" | €14.13 | |
![]() |
C73439 | 0.191 | 3/16" | 1 47/64" | 2 5/16" | 3 1/2" | #11 | 118° | 0.0574" | €5.88 | |
![]() |
C73440 | 0.189 | 3/16" | 3/4" | 2 5/16" | 3 1/2" | #12 | 118° | 0.0568" | €6.54 | |
![]() |
C11666 | 0.189 | 0.188" | 1 47/64" | 2.312" | 3 1/2" | - | - | 0.039" | €7.27 | |
![]() |
C73441 | 0.185 | 11/64" | 1 47/64" | 2 5/16" | 3 1/2" | #13 | 118° | 0.0556" | €6.37 | |
![]() |
C11667 | 0.185 | 11/64" | 1 47/64" | 2 5/16" | 3 1/2" | #13 | 135° | 0.0383" | €7.34 |
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CLEVELAND C13143 3957 Jobber Length Drill Bit, #21 Size, 2 1/8 Inch Flute Length, 5/32 Inch Shank Dia
€11.08 /unit




