Factory wholesale 4 Inch Step Drill Bit - Carbide Twisted Drill Bits Ideal for machining most steels – MSK
Factory wholesale 4 Inch Step Drill Bit - Carbide Twisted Drill Bits Ideal for machining most steels – MSK Detail:

1.Designed for drilling abrasive materials when drilling accuracy must be maintained
2.Can be used in high temperature drilling applications
3.Used on materials such as cast iron, non-ferrous alloys, high silicon aluminum, copper, plastics, bronze, hard rubber, plexiglass, and other similar materials
4.Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle
5.Must be used with a rigid tool-holding systems.

| Handle type | Straight handle |
| Workpiece Material | Ordinary steel / high hardness steel / cast iron / aluminum / copper / graphite / resin |
| Tool material | carbide alloy |
| Coating | Yes |
| Oil holes | No |
| Brand | MSK |
Advantage:
1.Excellent quality with competitive price.
2.Short delivery date within one week.
3.We can provide custom tools as per customers’need.from coating,flute,Helix angle,to cutting length,total length.
4.Heavy duty operation end mills-Unequalled Indexing,Asymmetric helix angle.
5.Anti-Vibration,Providing smooth and steady chip evaluation.
| Flute Diameter D | Flute Length L1 | Shank Diameter d | Length L |
| 4.0 | 24 | 6 | 66 |
| 4.5 | 24 | 6 | 66 |
| 5.0 | 28 | 6 | 66 |
| 5.5 | 28 | 6 | 66 |
| 6.0 | 28 | 6 | 66 |
| 6.5 | 34 | 8 | 79 |
| 7.0 | 41 | 8 | 79 |
| 7.5 | 41 | 8 | 79 |
| 8.0 | 41 | 8 | 79 |
| 8.5 | 47 | 10 | 89 |
| 9.0 | 47 | 10 | 89 |
| 9.5 | 47 | 10 | 89 |
| 10.0 | 47 | 10 | 89 |
| 10.5 | 55 | 12 | 102 |
| 11.0 | 55 | 12 | 102 |
| 11.5 | 55 | 12 | 102 |
| 12.0 | 55 | 12 | 102 |
| 12.5 | 60 | 14 | 107 |
| 13.0 | 60 | 14 | 107 |
| 13.5 | 60 | 14 | 107 |
| 14.0 | 60 | 14 | 107 |
| 14.5 | 65 | 16 | 115 |
| 15.0 | 65 | 16 | 115 |
| 15.5 | 65 | 16 | 115 |
| 16.0 | 65 | 16 | 115 |
| 16.5 | 73 | 18 | 123 |
| 17.0 | 73 | 18 | 123 |
| 17.5 | 73 | 18 | 123 |
| 18.0 | 73 | 18 | 123 |
| 18.5 | 79 | 20 | 131 |
| 19.0 | 79 | 20 | 131 |
| 19.5 | 79 | 20 | 131 |
| 20.0 | 79 | 20 | 131 |
Use:

Aviation Manufacturing
Machine Production
Car manufacturer

Mold making

Electrical Manufacturing
Lathe processing
Product detail pictures:
Related Product Guide:
We are also focusing on improving the stuff management and QC system so that we could keep great advantage in the fiercely-competitive business for Factory wholesale 4 Inch Step Drill Bit - Carbide Twisted Drill Bits Ideal for machining most steels – MSK , The product will supply to all over the world, such as: Iceland, Mauritania, Philadelphia, With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!