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Product Specifications:
| Item | Screw Machine Drill Bit |
| Coolant Fed | Non Coolant Through |
| Coolant Through | No |
| Cutting Direction | Right |
| Decimal Equivalent | 0.25 |
| Depth X Dia. Ratio | 3xd |
| Diameter | 1/4" |
| Drill Bit Dimension Type | Fractional Inch |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Point Angle | 120° |
| Drill Bit Point Type | 4 Facet Point |
| Drill Bit Size | 1/4" |
| Drill Diameter Tolerance | -0.022 mm to 0 mm |
| Drill Length Class | Screw Machine Length |
| Finish | WD1 |
| Finish - Machining | WD1 |
| Flute Length | 31 mm |
| Flute Type | Fast Spiral |
| Grade | General Purpose |
| Helix Angle | 40° |
| List Number | 1150 |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Material Grade - Machining | General Purpose |
| Measurement System | Fractional Inch |
| Number Of Flutes | 2 |
| Overall Length | 75 mm |
| Primary Material Application | Aluminum, Steel, Tool And Die Steel |
| Primary Material Application Iso Code | N, P |
| Secondary Material Application | Cast Iron, Hardened Steel, High Carbon Steel, Nickel Alloy, Stainless Steel, Titanium |
| Secondary Material Application Iso Code | H, K, M, P, S |
| Shank Dia. | 8 mm |
| Shank Length | 44 mm |
| Shank Type | Straight |
| Shank Type - Machining | Straight |
| Sheeter Drill | No |
| Standards | Not Rated |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Overall Length | Shank Dia. | Drill Bit Size | Decimal Equivalent | Max. Drilling Depth | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
8595579 | 72 mm | 6 mm | #1 | 0.228 | - | €70.70 | |
![]() |
11553015 | 72 mm | 6 mm | #1 | - | - | €70.70 | |
![]() |
859557911 | 72 mm | 6 mm | #1 | 0.228 | - | €74.77 | |
![]() |
8595486 | 70 mm | 6 mm | #11 | 0.191 | - | €53.10 | |
![]() |
859548611 | 70 mm | 6 mm | #11 | 0.191 | - | €56.69 | |
![]() |
6154811 | 70 mm | 6 mm | #12 | 0.189 | - | €53.35 | |
![]() |
6154711 | 68 mm | 6 mm | #13 | 0.185 | - | €51.38 |
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OSG 11555815 Screw Machine Drill Bit, 1/4 Inch Size, 31 mm Flute Length, 75 mm Overall Length
€74.29 /unit



