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Product Specifications:
| Item | Mechanics Drill Bit |
| Coolant Fed | Non-Coolant Through |
| Cutting Direction | Left Hand |
| Decimal Equivalent | 0.3125 |
| Depth X Dia. Ratio | 4xd |
| Depthdia. Ratio | 4Xd |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Material | Cobalt Steel |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 5/16" |
| Drill Length Class | Mechanics Length |
| Finish | Straw, Bronze |
| Finish - Machining | Straw, Bronze |
| Flute Length | 2 1/2" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | 28° |
| Left/right Hand | Left |
| List Number | 1880 |
| Material | Cobalt |
| Material - Machining | Cobalt |
| Max. Drilling Depth | 1 1/4" |
| No. Of Pieces | 1 |
| Number Of Flutes | 2 |
| Overall Length | 4" |
| Point Angle | 135° |
| Point Type | Split Point |
| Primary Material Application | Cast Iron, Hardened Steel, Nickel, Stainless Steel, Steel, Titanium |
| Primary Material Application Iso Code | H, K, M, P, S |
| Shank Dia. | 5/16" |
| Shank Length | 1 1/2" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Size | 0.312" |
| Spiral Direction | Left Hand |
| System Of Measurement | Fractional Inch |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Decimal Equivalent | Cutting Direction | Flute Length | Overall Length | Shank Dia. | Material | Finish | Drill Bit Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
C23830 | 0.0625 | Right Hand | 7/8" | 1 7/8" | 1/16" | High Speed Steel | Black Oxide | - | €3.01 | |
![]() |
C30532 | 0.5 | Left Hand | 3 3/8" | 5" | 1/2" | Cobalt | Straw, Bronze | 1/2" | €40.93 | |
![]() |
C23859 | 0.5 | Right Hand | 3 3/8" | 5" | 1/2" | High Speed Steel | Black Oxide | - | €26.07 | |
![]() |
C30516 | 0.25 | Left Hand | 2" | 3 1/2" | 1/4" | Cobalt | Straw, Bronze | 1/4" | €11.47 | |
![]() |
C23842 | 0.25 | Right Hand | 2" | 3 1/2" | 1/4" | High Speed Steel | Black Oxide | - | €7.52 | |
![]() |
C23834 | 0.125 | Right Hand | 1 7/16" | 2 1/2" | 1/8" | High Speed Steel | Black Oxide | - | €4.59 | |
![]() |
C23702 | 0.125 | Left | 1 7/16" | 2 1/2" | 1/8" | - | - | 1/8" | - | RFQ
|
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CLE-LINE C30520 Mechanics Drill Bit, 5/16 Inch Drill Bit Size, 5/16 Inch Shank Dia
€18.38 /unit



