Makita HSS Hex Shank Step Drill Bit 4 to 12 mm Tin Coated D-40113

Makita D-40113 is a high-speed steel (HSS) hex shank step drill bit providing an efficient way to drill multiple hole sizes ranging from 4 mm to 12 mm. The tin-coated surface enhances durability by reducing friction and heat buildup during drilling. Its straight flute design facilitates effective chip extraction, minimizing clogging and providing smoother operation.

This step drill bit is engineered specifically for softer or thinner materials such as sheet metal and enables precision enlargement of pre-existing holes without changing drill bits. The 1/4 inch hex shank offers quick and secure fitting in most drills, boosting operational efficiency.

Suitable for both ferrous and non-ferrous metals, this drill bit is widely used in industrial sectors including mechanical, electrical, electronics, and automation, where varied hole sizes and high precision are essential. Its conical design ensures versatile application across a range of project requirements.

This step drill bit allows creating multiple hole sizes from 4 mm to 12 mm with a single tool. The HSS material ensures high cutting performance and durability. Tin coating reduces friction and extends tool life during operations.

The 1/4 inch hex shank facilitates quick and secure drill bit changes. Straight flute design ensures efficient chip removal preventing clogging. Suitable for drilling ferrous and non-ferrous metals including sheet metal.

Ideal for enlarging existing holes without the need for bit changes. Perfect for professional applications in automation, electronics, electrical, and mechanical sectors.

This product is made in China and is a new condition item. It is part of Makita’s specialist Drill Bits range, designed for industrial, manufacturing, HVAC, electrical, and mechanical workshop applications. Browse more Makita drilling and power tool accessories on EnvMart for a comprehensive solution to your tooling requirements.