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Product Specifications:
| Item | Drill Bit |
| Aircraft Drill | No |
| Coolant Fed | Coolant Through |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.12 |
| Depth X Dia. Ratio | 7xd |
| Drill Bit Point Angle | 140° |
| Drill Bit Point Type | Notched Point |
| Drill Bit Size | #31 |
| Drill Dia. Tolerance | -0" to +0.0005" |
| Drill Length Class | Jobber Length |
| Finish | Bright Uncoated |
| Finish-machining | Bright (Uncoated) |
| Flute Length | 7/8" |
| Flute Type | Straight |
| Grade | Grade C2 |
| Helix Angle | 0° |
| Material | Carbide |
| Material Grade-machining | Grade C2 |
| Material-machining | Carbide |
| No. Of Flutes | 2 |
| Overall Length | 1 7/8" |
| Point Type | Notched Point |
| Primary Material Application | All Materials |
| Primary Material Application Iso Code | H, K, M, P, S |
| Shank Dia. | 7/64" |
| Shank Length | 1" |
| Shank Type | Straight |
| Shank Type-machining | Straight |
| Web Construction | Tapered |
| Web Thinning | Thinned |
Shipping Info:
| Ship weight (kg) | 0.01 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Model | Flute Length | Primary Material Application Iso Code | Finish-machining | Drill Bit Size | Shank Dia. | Finish | Decimal Equivalent | Depth X Dia. Ratio | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| 470-302280B | 1 5/16" | H, K, M, P, S | AlTiN | #1 | 7/32" | AlTiN | 0.228 | 6xd | €46.94 | |
| 470-302280 | 1 5/16" | H, K, M, P, S | Bright (Uncoated) | #1 | 7/32" | Bright Uncoated | 0.228 | 6xd | €47.32 | |
| 470-301935 | 1 3/16" | H, K, M, P, S | Bright (Uncoated) | #10 | 3/16" | Bright Uncoated | 0.1935 | 6xd | €43.26 | |
| 470-301910B | 1.188" | - | - | - | 3/16" | AlTiN | 0.191 | 6xd | €38.71 | |
| 470-301890B | 1 3/16" | H, K, M, P, S | AlTiN | #12 | 3/16" | AlTiN | 0.189 | 6xd | €38.01 | |
| 470-301890 | 1 3/16" | H, K, M, P, S | Bright (Uncoated) | #12 | 3/16" | Bright Uncoated | 0.189 | 6xd | €42.20 | |
| 470-301850B | 1 1/8" | H, K, M, P, S | AlTiN | #13 | 11/64" | AlTiN | 0.185 | 6xd | €39.04 |
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GRAINGER 470-301200 Flute Drill Bit, #31 Size, 7/8 Inch Flute Length, 7/64 Inch Shank Dia
€27.78 /unit

