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Product Specifications:
| Item | Jobber Length Drill Bit |
| Aircraft Drill | No |
| Coolant Fed | Non-Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 0.25 |
| Depth X Dia. Ratio | 4xd |
| Depthdia. Ratio | 4Xd |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Material | Cobalt |
| Drill Bit Point Angle | 135° |
| Drill Bit Point Type | Split Point |
| Drill Bit Size | 1/4" |
| Drill Diameter Tolerance | -0" to +0.0007" |
| Drill Length Class | Jobber Length |
| Drill Point Length | 0.0518" |
| Finish | Tin |
| Finish - Machining | Tin |
| Flute Length | 2 3/4" |
| Flute Type | Spiral |
| Grade | Heavy Duty |
| Helix Angle | +21° to +34° |
| Material | Cobalt |
| Material - Machining | Cobalt |
| Material Grade - Machining | Grade M42 |
| Max. Drilling Depth | 2 1/16" |
| Mfr. Series | 550ASP-TN |
| Number Of Flutes | 2 |
| Overall Length | 4" |
| Point Angle | 135° |
| Point Type | Split Point |
| Primary Material Application | Hi-Temp Alloy, Stainless Steel, Steel |
| Primary Material Application Iso Code | M, P, S |
| Shank Dia. | 1/4" |
| Shank Length | 1 1/4" |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Size | 1/4" |
| Spiral Direction | Right Hand |
| System Of Measurement | Fractional Inch |
| Web Thinning | Thinned |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 3.81 |
| Ship length (cm) | 15 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Shank Dia. | Max. Drilling Depth | Overall Length | Flute Length | Decimal Equivalent | Drill Bit Size | Shank Length | Grade | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
46493 | 11.2 mm | 2.766" | 142 mm | 94 mm | 0.4409 | 11.2 mm | 48 mm | - | €46.09 | |
![]() |
47751 | 0.172" | 1 5/8" | 3 3/8" | 2 3/16" | 0.173 | #17 | 1 3/16" | Heavy Duty | €8.26 | |
![]() |
47736 | 0.219" | 1 31/32" | 3 7/8" | 2 5/8" | 0.221 | #2 | 1 1/4" | Heavy Duty | €11.16 | |
![]() |
47756 | 0.156" | 1 1/2" | 3 1/8" | 2" | 0.157 | #22 | 1 1/8" | Heavy Duty | €7.40 | |
![]() |
47759 | 0.141" | 1 13/32" | 3" | 1 7/8" | 0.1495 | #25 | 1 1/8" | Heavy Duty | €6.74 | |
![]() |
47761 | 0.141" | 1.406" | 3" | 1 7/8" | 0.144 | - | 1 1/8" | Heavy Duty | €6.74 | |
![]() |
47764 | 1/8" | 1 7/32" | 2 3/4" | 1 5/8" | 0.1285 | #30 | 1 1/8" | Heavy Duty | €5.77 |
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Contact us
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We're available Monday through Friday, from 07:30 until 17:00.
CHICAGO-LATROBE 47642 Jobber Length Drill Bit, 1/4 Inch Size Size, 4 Inch Overall Length
€17.99 /unit



