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Product Specifications:
| Item | Screw Machine Drill Bit |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Coolant Thru | No |
| Cutting Dia. Tolerance | -0.0009" to 0" , H8 |
| Cutting Direction | Right |
| Decimal Equivalent | 0.315 |
| Depth X Dia. Ratio | 3xd |
| Dia. | 0.31496" |
| Drill Bit Dimension Type | Metric |
| Drill Bit Finish | Egias |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | R Thinning Point |
| Drill Bit Size | 8 mm |
| Drill Dia. Tolerance | -0.022 mm to 0 mm |
| Drill Length Class | Screw Machine Length |
| Drilling L/d Ratio | 2 |
| Finish | EgiAs |
| Finish-machining | Egias |
| Flute Length | 41 mm |
| Flute Type | Spiral |
| Grade | High Performance |
| Helix Angle | 30° |
| Helix Direction | Right Hand |
| Length Of Cut Specification | Stub |
| List Number | 6300 |
| Material | Solid Carbide |
| Material Grade-machining | HIGH PERFORMANCE |
| Material-machining | Carbide |
| Measurement System | Metric |
| No. Of Flutes | 2 |
| Overall Length | 79 mm |
| Point Angle | 140° |
| Point Thinning | R Thinning |
| 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 |
| Secondary Material Application Iso Code | H, N |
| Shank Dia. | 8 mm |
| Shank Length | 38 mm |
| Shank Tolerance | H6 |
| Shank Type | Straight |
| Shank Type-machining | Straight |
| Sheeter Drill | No |
| Substrate | Carbide |
| Surface Treatment | EgiAs |
| Web Thinning | R Thinned |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.9 |
| Ship width (cm) | 2.54 |
| Country of Origin | JP |
Product Variants
| Product | Model | Shank Dia. | Material | Flute Length | Drill Bit Size | Shank Length | Drill Dia. Tolerance | Finish-machining | Cutting Direction | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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220-2280 | 7/32" | Solid Carbide | 1 3/4" | #1 | 31.7 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €48.65 | |
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215-2280 | 7/32" | Carbide | 1 5/16" | #1 | 28.6 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €54.59 | |
![]() |
215-1935 | 3/16" | Carbide | 1 3/16" | #10 | 27 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €45.23 | |
![]() |
220-1935 | 3/16" | Solid Carbide | 1 3/16" | #10 | 28.6 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €43.87 | |
![]() |
215-1910 | 3/16" | Carbide | 1 3/16" | #11 | 27 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €42.86 | |
![]() |
220-1890 | 3/16" | Solid Carbide | 1 5/8" | #12 | 28.6 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €43.32 | |
![]() |
215-1890 | 4.8 mm | Carbide | - | #12 | 27 mm | -0.013 mm to 0 mm | Bright (Uncoated) | Right Hand | €43.70 |
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OSG 8670800 Screw Machine Drill Bit, 8 mm Size, 79 mm Overall Length
€141.41 /unit



