Baolian M35 Cobalt High-Speed Steel Double-Ended Twist Drill Bit Double-Edged Cobalt Drill Bit for 304 Stainless Steel

Product Specifications

Brand: Baolian ()

Product Name: M35 Double-Ended Twist Drill Bit

Material: High-Speed Steel (M35)

Drill Bit Sizes: 3.0mm to 5.5mm

Product Features:

High hardness and wear resistance

Precise positioning and fast drilling speed

Excellent chip removal with large U-shaped double chip grooves

Industrial-grade 135° fully ground cutting edge for stable, sharp, and hard performance

High cobalt content for enhanced durability and hardness

Forged from selected M35 high-speed steel for superior wear resistance

Suitable for a wide range of applications including aluminum alloy, cast iron, galvanized pipes, copper, and wood

Compatible with electric drills, cordless drills, and bench drills (recommended 24V/48V cordless drills; 12V not recommended due to low torque)

Multiple specifications available: 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.2mm, 4.5mm, 5.0mm, 5.2mm, 5.5mm

Dimensions and Weight (per piece):

| Drill Diameter | Working Length | Total Length | Weight |

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

| 3.0mm | 15mm | 49mm | 2g |

| 3.2mm | 15mm | 49mm | 3g |

| 3.5mm | 16mm | 52mm | 4g |

| 4.0mm | 16mm | 52mm | 5g |

| 4.2mm | 17mm | 54mm | 6g |

| 4.5mm | 18mm | 58mm | 7g |

| 5.0mm | 19mm | 61mm | 8g |

| 5.2mm | 19mm | 61mm | 8g |

| 5.5mm | 20mm | 67mm | 11g |

Notes:

All dimensions are manually measured; slight deviations may occur. Please refer to the actual product received.

Package includes multiple drill sizes (3mm to 5.5mm) to meet various drilling needs.

Usage Tips:

Compatible with electric and cordless drills.

For cordless drills, 24V or 48V models are recommended for optimal performance.

Avoid using with 12V cordless drills due to insufficient torque.

Summary:

Baolian M35 Double-Ended Twist Drill Bits offer fast, precise, and durable drilling performance with excellent wear resistance and chip evacuation, suitable for a variety of materials and drill types.