Makita High Speed Steel Specialist Step Drill Bit 4-32 mm Diameter, Tri-Flat Shank, 6 mm Shank Size D-40107

Makita D-40107 Specialist Step Drill Bit is a precision-engineered tool constructed from high speed steel, designed to deliver exceptional performance for a variety of industrial, mechanical, and manufacturing applications. The bit offers a drill diameter range from 4 to 32 mm across nine incremental steps, enabling users to efficiently create multiple hole sizes without frequently changing bits.

The tri-flat shank with a 6 mm size ensures a secure and stable grip in standard drill chucks, preventing slippage during high-speed drilling activities. Its straight flute geometry promotes effective chip removal, which reduces clogging and enhances drilling accuracy and speed.

This step drill bit is particularly suited for softer materials, including both ferrous and non-ferrous metals, and is highly effective in sheet metal work, fabrication, and assembly scenarios. It is commonly used for enlarging existing holes and adapting projects that require varied hole sizes.

Manufactured in China, this Makita drill bit adheres to durable construction standards but does not possess specific certifications. It is an essential tool for professionals engaged in industrial manufacturing, HVAC installations, automotive repair, and electronics assembly.

Key features include its high speed steel build, conical profile for versatile hole sizing, and a tri-flat shank for compatibility. The bit’s design reduces the need for multiple tools and increases efficiency in workshop and field environments.

Set yourself up with a quality Makita specialist drill bit that meets the needs of demanding metalworking applications, ensuring precision and reliability. The drill bit features a high speed steel construction for durability and long service life.

Suitable for creating multiple hole sizes from 4 to 32 mm with nine step increments. Tri-flat 6 mm shank ensures compatibility and stability in standard drill chucks. Straight flute design allows efficient chip removal for smooth drilling operations.

Ideal for use on softer ferrous and non-ferrous metals including sheet metal. Designed for enlarging existing holes and versatile metalworking tasks. Originates from China and is intended for industrial and mechanical applications.

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