Baolian M35 Cobalt Step Drill High Hardness Twist Drill Bit for Stainless Steel 304 Special Reamer Drill Machine Use

Avoid drilling reinforced steel to prevent edge chipping

Cooling with water recommended when drilling hard materials to prevent overheating

Sharp and fast cutting with high precision

Durable and wear-resistant, reducing tool replacement frequency

Efficient chip evacuation for smooth drilling

Lightweight and easy to handle, improving work efficiency

| Diameter (mm) | Total Length (mm) | Working Length (mm) | Shank Diameter (mm) | Weight (g) |

|---------------|-------------------|---------------------|---------------------|------------|

| 3.0 | 61 | 35 | 2.8 | 3 |

| 3.2 | 65 | 36 | 3.0 | 3 |

| 3.4 | 65 | 36 | 3.0 | 4 |

| 3.5 | 70 | 38 | 3.0 | 4 |

| 4.0 | 75 | 42 | 3.5 | 5 |

| 4.2 | 75 | 42 | 3.8 | 5 |

| 4.3 | 75 | 43 | 3.8 | 5 |

| 4.5 | 80 | 48 | 4.0 | 8 |

| 4.8 | 86 | 52 | 4.8 | 8 |

Manual measurements may have slight deviations; actual product dimensions prevail

High aesthetic appeal combined with robust performance

Provides excellent user experience with stable and quick drilling

Suitable for professional and industrial use

Comes with quality assurance and backed by patented technology

Product images are provided for reference to better understand the product features and ensure confident purchase.