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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 | 0.25 |
| Depth X Dia. Ratio | 3xd |
| Dia. | 1/4" |
| Drill Bit Dimension Type | Metric |
| Drill Bit Grouping | Drill Bit |
| Drill Bit Point Angle | 120° |
| Drill Bit Point Type | 4 Facet Point |
| Drill Bit Size | 1/4" |
| Drill Dia. Tolerance | -0.022 mm to 0 mm |
| Drill Length Class | Screw Machine Length |
| Drilling L/d Ratio | 3 |
| Finish | Aluminum Titanium Nitride |
| Finish-machining | TiAlN |
| Flute Length | 31 mm |
| Flute Type | Fast Spiral |
| Grade | General Purpose |
| Helix Angle | 40° |
| Helix Direction | Right Hand |
| Length Of Cut Specification | Stub |
| List Number | 1100 |
| Material | High Speed Steel |
| Material Grade-machining | General Purpose |
| Material-machining | High Speed Steel |
| Measurement System | Fractional Inch |
| No. Of Flutes | 2 |
| Overall Length | 75 mm |
| Point Angle | 120° |
| Point Thinning | Four Facet Point |
| Primary Material Application | Aluminum, Stainless Steel, Steel |
| Primary Material Application Iso Code | M, N, P |
| Secondary Material Application | Medium Carbon Steel, Stainless Steel |
| Secondary Material Application Iso Code | M, P |
| Shank Dia. | 8 mm |
| Shank Length | 44 mm |
| Shank Type | Straight |
| Shank Type-machining | Straight |
| Sheeter Drill | No |
| Substrate | HSSE |
| Surface Treatment | TiAlN |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.5 |
| Ship width (cm) | 2.54 |
| Country of Origin | JP |
Product Variants
| Product | Model | Shank Dia. | Drill Bit Size | Flute Length | Shank Length | Finish-machining | Drill Dia. Tolerance | Cutting Direction | Grade | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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8595579 | 6 mm | #1 | 28 mm | 44 mm | Tin | -0.018 mm to 0 mm | Right | High Performance | €70.70 | |
![]() |
11553015 | 6 mm | #1 | 28 mm | 44 mm | WD1 | -0.018 mm to 0 mm | Right | General Purpose | €70.70 | |
![]() |
859557911 | 6 mm | #1 | 28 mm | 44 mm | TiAlN | -0.018 mm to 0 mm | Right | General Purpose | €74.77 | |
![]() |
8595486 | 6 mm | #11 | - | 44 mm | Tin | -0.018 mm to 0 mm | Right Hand | High Performance | €53.10 | |
![]() |
859548611 | 6 mm | #11 | 26 mm | 44 mm | TiAlN | -0.018 mm to 0 mm | Right Hand | - | €56.69 | |
![]() |
6154811 | 6 mm | #12 | 26 mm | 44 mm | TiAlN | -0.018 mm to 0 mm | Right Hand | General Purpose | €53.35 | |
![]() |
6154711 | 6 mm | #13 | 24 mm | 44 mm | TiAlN | -0.018 mm to 0 mm | Right Hand | General Purpose | €51.38 |
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OSG 859563511 Screw Machine Drill Bit, 1/4 Inch Size, 31 mm Flute Length, 75 mm Overall Length
€79.99 /unit


