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Product Specifications:
| Item | Jobber Length Drill Bit |
| Coolant Fed | Coolant Through |
| Coolant Through | Yes |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.3071 |
| Depth X Dia. Ratio | 5xd |
| Drill Bit Dimension Type | Metric |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Material | Solid Carbide |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | R Thinning Point |
| Drill Bit Size | 7.8 mm |
| Drill Diameter Tolerance | 0.006 mm to 0.021 mm |
| Drill Length Class | Jobber Length |
| Finish | Titanium Aluminum Nitride Coat |
| Finish - Machining | TiAlN |
| Flute Length | 53 mm |
| Flute Type | Spiral |
| Helix Angle | 30° |
| Material | Carbide |
| Material - Machining | Carbide |
| Max. Drilling Depth | 53 mm |
| Mfr. Series | HP255 |
| Number Of Coolant Holes | 2 |
| Number Of Flutes | 2 |
| Overall Length | 91 mm |
| Point Angle | 140° |
| Point Type | R Thinning Point |
| Primary Material Application | Cast Iron, Hardened Steel, Steel, Tool And Die Steel |
| Primary Material Application Iso Code | H, K, P |
| Secondary Material Application | Aluminum, Hardened Steel, Nickel, Stainless Steel, Titanium |
| Secondary Material Application Iso Code | H, M, N, S |
| Series | HP255 Series |
| Shank Dia. | 8 mm |
| Shank Length | 38 mm |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Size | 7.8 mm |
| Standards | Not Rated |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Decimal Equivalent | Max. Drilling Depth | Flute Type | Shank Dia. | Flute Length | Overall Length | Drill Bit Size | Drill Bit Point Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
3316480 | 0.189 | 45 mm | Slow Spiral | 6 mm | 45 mm | 88 mm | #12 | R Thinning Point | €205.30 | |
![]() |
8702480 | 0.189 | 44 mm | Spiral | 6 mm | 44 mm | 95 mm | #12 | X Thinning Point | €184.48 | |
![]() |
8692480 | 0.189 | 44 mm | Spiral | 5 mm | 44 mm | 95 mm | #12 | X Thinning Point | €184.48 | |
![]() |
8667480 | 0.189 | 44 mm | Spiral | 5 mm | 44 mm | 95 mm | #12 | R Thinning Point | €174.07 | |
![]() |
HP255-1850 | 0.185 | 36 mm | Spiral | 6 mm | 36 mm | 74 mm | #13 | R Thinning Point | €102.70 | |
![]() |
3316470 | 0.185 | 43 mm | Slow Spiral | 6 mm | 43 mm | 88 mm | #13 | R Thinning Point | €205.30 | |
![]() |
8702470 | 0.185 | 43 mm | Spiral | 6 mm | 43 mm | 95 mm | #13 | X Thinning Point | €184.48 |
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Contact us
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OSG HP255-3071 Jobber Length Drill Bit, 7.80 mm Size, 91 mm Overall Length
€151.61 /unit



