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Product Specifications:
| Item | Jobber Length Drill Bit |
| Aircraft Drill | No |
| Application | For Alloy, Carbon, Stainless And Tool Steel |
| Coolant Fed | Non-Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right 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 |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 5/16" |
| Drill Diameter Tolerance | -0" to +0.0005" |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.0647" |
| Finish | Black Oxide |
| Finish - Machining | Black Oxide |
| Flute Length | 1 9/16" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | +35° to +45° |
| Left/right Hand | Right |
| List Number | 3780 |
| Material | Cobalt |
| Material - Machining | Cobalt |
| Material Grade - Machining | Grade M42 |
| Max. Drilling Depth | 1.172" |
| Maximum Drilling Depth | 1 11/64" |
| No. Of Pieces | 1 |
| Number Of Flutes | 2 |
| Overall Length | 4 1/2" |
| Point Angle | 135° |
| Point Type | Split Point |
| Primary Material Application | Cast Iron, Hi-Temp Alloy, Stainless Steel, Steel |
| Primary Material Application Iso Code | K, M, P, S |
| Series | 3780 Series |
| Shank Dia. | 0.312" |
| Shank Diameter | 5/16" |
| Shank Length | 2 15/16" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Size | 0.312" |
| Spiral Direction | Right Hand |
| System Of Measurement | Fractional Inch |
| Web Thinning | Thinned |
Shipping Info:
| Ship weight (kg) | 0.04 |
| Ship height (cm) | 2.59 |
| Ship length (cm) | 12.5 |
| Ship width (cm) | 2.59 |
| Country of Origin | US |
Product Variants
| Product | Model | Coolant Fed | Decimal Equivalent | Flute Length | Flute Type | Cutting Direction | Shank Dia. | Max. Drilling Depth | Overall Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
C15577 | Non-Coolant Through | 0.4823 | 101 mm | - | Right Hand | 0.469" | 2.969" | 151 mm | €117.67 | |
![]() |
C16612 | Non-Coolant Through | 0.228 | 2 5/8" | Parabolic | Right Hand | 0.219" | 1.969" | 3 7/8" | €44.05 | |
![]() |
C11401 | Non-Coolant Through | 0.228 | 2 5/8" | Parabolic | Right Hand | 0.219" | 1 31/32" | 3 7/8" | €53.40 | |
![]() |
C70134 | Non-Coolant Through | 0.228 | 2 5/8" | Spiral | Right Hand | 0.219" | 1.969" | 3 7/8" | €15.18 | |
![]() |
C70143 | Non-Coolant Through | 0.1935 | 2 7/16" | Spiral | - | 0.188" | 1 13/16" | 3 5/8" | €11.78 | |
![]() |
C15940 | Non-Coolant Through | 0.1935 | 1 3/16" | Spiral | Right Hand | 0.188" | 7/8" | 3 5/8" | €12.68 | |
![]() |
C16621 | Non-Coolant Through | 0.1935 | 2 7/16" | Parabolic | Right Hand | 0.188" | 1.812" | 3 5/8" | €36.37 |
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Contact us
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CLEVELAND C15970 3780 Jobber Length Drill Bit, 5/16 Inch Size Size, 4-1/2 Inch Overall Length
€30.42 /unit





