Find HS Code and trade information for 麻花钻

麻花钻

麻花钻 (Máhuā zuàn), often translated as twist drill or spiral drill, is a common cutting tool used for creating holes in various materials. Its name derives from its distinctive helical (spiral) shape resembling the traditional Chinese pastry, máhuā.

Material:

• High-Speed Steel (HSS): The most common material, offering a good balance of hardness, toughness, and heat resistance for general-purpose drilling.
• Cobalt Steel: Contains cobalt additions for increased heat resistance and wear resistance, suitable for drilling harder materials like stainless steel and cast iron.
• Carbide-Tipped: Features a hardened carbide tip brazed to the drill body, providing superior wear resistance and enabling drilling of very hard materials like ceramics and hardened steel.
• Titanium-Coated: A titanium nitride (TiN) coating enhances hardness, reduces friction, and extends tool life.
• Black Oxide-Coated: Provides a protective layer against corrosion and improves chip evacuation.

Purpose:

The primary purpose of a 麻花钻 is to create cylindrical holes in solid materials. They are used in a wide range of applications, from simple household repairs to complex industrial machining.

Function:

The 麻花钻 functions by rotating against the workpiece while applying axial pressure. The helical flutes remove material in the form of chips, creating the hole. The point of the drill initiates the cutting process, and the body of the drill guides and supports the cutting action. The speed of rotation and the applied pressure are crucial factors determining the efficiency and quality of the hole.

Usage Scenarios:

• Woodworking: Drilling pilot holes, creating screw holes, and joining wood pieces.
• Metalworking: Drilling holes in steel, aluminum, and other metals for fastening, assembly, and fabrication.
• Construction: Drilling into concrete, brick, and other building materials (often using specialized carbide-tipped versions).
• Electronics: Creating holes in printed circuit boards (PCBs) for component mounting.
• DIY & Home Repair: General-purpose drilling tasks around the house.

Common Types:

• Standard Twist Drill: General-purpose drill with a 118-degree point angle, suitable for most materials.
• Brad Point Drill: Features a brad point for accurate starting and prevents wandering, commonly used for woodworking.
• Jobber Length Drill: A common length drill used in drill presses and hand drills.
• Stubby Drill: Short length drill for tight spaces.
• Long Series Drill: Extended length drill for reaching deep holes.
• Left-Handed Drill: Rotates counterclockwise, used for removing broken screws or for specific machining applications.
• Step Drill Bit: Features multiple diameters in a single bit, used for creating stepped holes.
• Self-Centering Drill Bit: Features a centering point for accurate hole placement.

麻花钻，根据其描述，主要涉及用于手持工具、机床或其他设备的钻孔工具。以下是根据提供的参考资料，与麻花钻相关的HS编码：

• 8207502045: 描述为“可互换工具，用于手持工具（无论是否带动力），或机床（例如，用于压制、冲压、冲孔、攻丝、螺纹加工、钻孔、镗孔、铣削、车削或螺丝起子），包括用于拉伸或挤压金属的模具，以及岩石钻孔或土工钻孔工具；基体金属零件；用于钻孔的工具，不包括岩石钻孔，及其零件：含铬、钼、钨重量百分比超过0.2％或钒重量百分比超过0.1％的带切削部分的工具：麻花钻：锥形钻头”。基础关税为5.0%，加征关税为25.0%，2025.4.2后加征关税为30.0%，总税率为60.0%。
• 8207502055: 描述为“可互换工具，用于手持工具（无论是否带动力），或机床（例如，用于压制、冲压、冲孔、攻丝、螺纹加工、钻孔、镗孔、铣削、车削或螺丝起子），包括用于拉伸或挤压金属的模具，以及岩石钻孔或土工钻孔工具；基体金属零件；用于钻孔的工具，不包括岩石钻孔，及其零件：含铬、钼、钨重量百分比超过0.2％或钒重量百分比超过0.1％的带切削部分的工具：麻花钻：其他”。基础关税为5.0%，加征关税为25.0%，2025.4.2后加征关税为30.0%，总税率为60.0%。

HS编码解读：

• 82: 手工工具、气动工具、液压工具或带有自包含电动或非电动马达的工具及其零件。
• 07: 用于钻孔、镗孔、铣削或攻丝的工具。
• 50: 用于手持工具或机床的可互换工具。
• 20: 用于钻孔的工具，不包括岩石钻孔。
• 45/55: 进一步细分了钻孔工具的类型和成分（例如，锥形钻头或其它成分的钻头）。

注意事项：

根据HS编码8207502045和8207502055，请注意区分麻花钻的成分。如果麻花钻的切削部分含有铬、钼、钨重量百分比超过0.2％或钒重量百分比超过0.1％，则应选择HS编码8207502045。否则，应选择HS编码8207502055。