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Product Specifications:
| Item | Extra Long Drill Bit |
| Coolant Fed | Coolant Through |
| Coolant Through | Yes |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.3125 |
| Depth X Dia. Ratio | 30xd |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Finish | Egias |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | X Thinning Point |
| Drill Bit Size | 5/16" |
| Drill Diameter Tolerance | -0.025 mm to -0.047 mm |
| Drill Length Class | Extra Long |
| Finish | EgiAs |
| Finish - Machining | Egias |
| Flute Length | 265 mm |
| Flute Type | Spiral |
| Grade | High Performance |
| List Number | 6550 |
| Material | Solid Carbide |
| Material - Machining | Carbide |
| Material Grade - Machining | HIGH PERFORMANCE |
| Max. Drilling Depth | 265 mm |
| Measurement System | Fractional Inch |
| Number Of Coolant Holes | 2 |
| Number Of Flutes | 2 |
| Overall Length | 315 mm |
| Primary Material Application | Cast Iron, Hardened Steel, Stainless Steel, Steel, Tool And Die Steel |
| Primary Material Application Iso Code | H, K, M, P |
| Secondary Material Application | Aluminum, Hardened Steel, Stainless Steel, Titanium |
| Secondary Material Application Iso Code | H, M, N, S |
| Shank Dia. | 7.9 mm |
| Shank Length | 50 mm |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Standards | Not Rated |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.13 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Decimal Equivalent | Drill Bit Size | Max. Drilling Depth | Overall Length | Shank Dia. | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
8710480 | 0.189 | #12 | 65 mm | 115 mm | 6 mm | €256.30 | |
![]() |
8712480 | 0.189 | #12 | 90 mm | 140 mm | 6 mm | €446.58 | |
![]() |
8714480 | 0.189 | #12 | 115 mm | 165 mm | 6 mm | €670.23 | |
![]() |
8716480 | 0.189 | #12 | 165 mm | 215 mm | 6 mm | €835.61 | |
![]() |
8710470 | 0.185 | #13 | 65 mm | 115 mm | 6 mm | €256.30 | |
![]() |
8646450 | 0.177 | #16 | 110 mm | 165 mm | 5 mm | €485.10 | |
![]() |
653016012 | 0.161 | #20 | 55 mm | 115 mm | 6 mm | €250.51 |
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OSG 655031212 Extra Long Drill Bit, 5/16 Inch Size, 7.90 mm Shank Dia, 315 mm Overall Length
€1,002.79 /unit




