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Product Specifications:
| Item | Jobber Length Drill Bit |
| Aircraft Drill | Yes |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Decimal Equivalent | 0.016 |
| Depth Dia. Ratio | 4Xd |
| Depth X Dia. Ratio | 4xd |
| Drill Bit Dimension Type | Wire |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Material | Cobalt |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | #78 |
| Drill Dia. Tolerance | -0" to +0.0005" |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.0033" |
| Finish | Straw, Bronze |
| Finish-machining | Straw, Bronze |
| Flute Length | 3/16" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | +21° to +34° |
| List Number | 550 |
| Material | Cobalt |
| Material Grade-machining | Grade M42 |
| Material-machining | Cobalt |
| Max. Drilling Depth | 1/8" |
| Measurement System | Wire |
| No. Of Flutes | 2 |
| No. Of Pieces | 1 |
| Overall Length | 7/8" |
| Point Angle | 135° |
| Point Type | Split Point |
| Primary Material Application | Hi-Temp Alloy, Stainless Steel, Steel |
| Primary Material Application Iso Code | M, P, S |
| Series | 550 Series |
| Shank Dia. | 0.016" , 1/64" |
| Shank Length | 11/16" |
| Shank Type | Straight |
| Shank Type-machining | Straight |
| Sheeter Drill | No |
| Size | #78 |
| Spiral Direction | Right Hand |
| Web Thinning | Thinned |
Shipping Info:
| Ship height (cm) | 2.54 |
| Ship length (cm) | 8.5 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Size | Max. Drilling Depth | Primary Material Application Iso Code | Shank Length | Flute Length | Finish-machining | Drill Bit Size | Drill Dia. Tolerance | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
46493 | 11.2 mm | 2.766" | M, P, S | 48 mm | 94 mm | Straw, Bronze | 11.2 mm | -0.001" to 0" | €46.09 | |
![]() |
47751 | #17 | 1 5/8" | M, P, S | 1 3/16" | 2 3/16" | Straw, Bronze | #17 | -0" to +0.0007" | €8.26 | |
![]() |
47736 | #2 | 1 31/32" | K, P | 1 1/4" | 2 5/8" | Straw, Bronze | #2 | -0" to +0.0007" | €11.16 | |
![]() |
47756 | #22 | 1 1/2" | M, P, S | 1 1/8" | 2" | Straw, Bronze | #22 | -0" to +0.0007" | €7.40 | |
![]() |
47759 | #25 | 1 13/32" | M, P, S | 1 1/8" | 1 7/8" | Straw, Bronze | #25 | -0" to +0.0007" | €6.74 | |
![]() |
47761 | #27 | 1.406" | M, P, S | 1 1/8" | 1 7/8" | - | - | - | €6.74 | |
![]() |
47764 | #30 | 1 7/32" | M, P, S | 1 1/8" | 1 5/8" | Straw, Bronze | #30 | -0" to +0.0005" | €5.77 |
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CHICAGO-LATROBE 46748 Jobber Length Drill Bit, #78 Size, 7/8 Inch Overall Length
€15.14 /unit



