PATIKIL 4.2mm Drill Bit M35 Cobalt 5% High-Speed Steel for Metal 10 Pack
- PACKING LIST: 10 packs of drill bits in 4.2mm cutting diameter, 43mm/1.69inch flute length, 75mm/2.95inch overall length, 135° split point tip.
- FEATURE: The drills are made of M35 high speed steel with 4.50% to 5.50% cobalt content, which has excellent hardness, wear resistance, heat resistance and high crack resistance, making it suitable for machining hard metals. The gold finish effectively improves corrosion resistance and extends the drill bits' life.
- APPLICATION: The M35 twist drill is suitable for professional machining, particularly for drilling stainless steel. It is also suitable for processing high-hardness materials, including carbon steel, iron, aluminum, copper, plastic, wood, and more.
- NOTE: Position the twist drill bit at 90° to the surface of the workpiece. For thick materials, drill in multiple passes to prevent overheating or breakage. For large holes, start with a guide hole. Use cutting fluid to improve efficiency, extend tool life, and reduce material damage.
- INSTRUCTION: When machining different materials, the spindle speed and feed rate vary. Generally, the harder the material, the lower the spindle speed and feed rate should be. For specific speed and feed rate recommend for common materials, please refer to the details provided on the product page.
Estimated shipping
Select a product to estimate shipping.PATIKIL 4.2mm Drill Bits are precision jobber drill bits designed for demanding metal machining tasks. These bits offer exceptional durability and performance, making them a reliable choice for professional machinists and hobbyists alike.
Key Highlights
- High-Performance Steel: Crafted from M35 high-speed steel with cobalt, providing superior hardness and wear resistance.
- Corrosion Resistance: The gold finish protects against corrosion, extending the life of the drill bits.
- Precise Cutting: The 135° split point tip ensures accurate starts and minimizes burrs.
- Versatile Application: Suitable for drilling a wide range of metals, including stainless steel, carbon steel, and aluminum.
- Convenient Pack: Comes in a 10-piece set for efficient use and storage.
Useful Facts
- Cutting Diameter: 4.2 millimeters
- Material: Cobalt Steel with 4.50% - 5.50% Cobalt Content
- Finish: Gold
- Shank Type: Straight
- Brand: PATIKIL
Good Fit For
- Professional machinists
- Metalworking hobbyists
- Projects requiring drilling stainless steel
- Working with high-hardness materials
Product details







Specifications
| Main Specification | |
|---|---|
| Surface Recommendation | Metal, Stainless Steel |
| Manufacturer | Patikil |
| Unit Count | 1 Count |
| Cutting Diameter | 4.2 millimeters |
| Shank Type | Straight |
| Tool Flute Type | Spiral |
| Brand | Patikil |
| Cutting Angle String | 135 Degrees |
| Included Components | not_applicable |
| Number of Pieces | 10 |
| Material | Cobalt Steel |
| Finish Type | Gold |
| Product information | |
|---|---|
| Number of Packs | 10 |
| Set Name | PATIKIL 4.2mm Drill Bit Set (10 Piece) |
| Technical Details | |
|---|---|
| Part Number | ptf241213tt000225jp |
| Material Type | Cobalt Steel |
| Number of Flutes | 2 |
| Style | |
|---|---|
| Finish Types | Gold |
| Others | |
|---|---|
| Product Type | Jobber Drill Bits |
| Item Highlight | Jobber Straight Shank 135° Gold Finish for Stainless Steel Hard Metal |
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