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Makita High Speed Steel Step Drill Bit 4-12 mm Drill Diameter, Tin Coated Hex Shank D-40179

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Makita High Speed Steel Step Drill Bit 4-12 mm Drill Diameter, Tin Coated Hex Shank D-40179

Name: Makita High Speed Steel Step Drill Bit 4-12 mm Drill Diameter, Tin Coated Hex Shank D-40179
Brand: Makita
SKU: 421809
Price: 49.37 USD
Availability: InStock

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Category Specialist Drill Bits Brand Makita Condition New

Specifications

Country of Origin	China
Brand	Makita
Material	High Speed Steel
Model	D-40179
Finish	Tin Coated
Shank Type	Hex
Shank Size	0.25in
Drill Diameter	4-12 mm

Key Features

The step drill bit features nine drilling steps from 4 mm to 12 mm.
Constructed from durable high-speed steel for strength and heat resistance.
Tin coating reduces friction and enhances tool durability.
Hex shank size of 0.25 inches ensures secure fit in drill chucks.
Optimized for drilling and enlarging holes in thin materials like sheet metal.
Ideal for professionals in electronics, automotive, electrical, and mechanical sectors.
Spiral flute design promotes efficient chip removal during drilling.
Effective for both ferrous and non-ferrous metals and light gauge materials.

Product Description

Makita D-40179 High Speed Steel Step Drill Bit offers precision drilling with a versatile drill diameter range of 4 to 12 mm across nine steps. It is designed with a hex shank size of 0.25 inches for excellent drill compatibility. Crafted from high-speed steel, this drill bit provides superior strength and heat resistance suitable for prolonged use in various industrial applications.

The TiN (Titanium Nitride) coating on the drill bit surface decreases friction, thereby increasing durability and providing a smoother cutting experience. Its spiral flute design enhances chip removal efficiency, making it particularly effective when working with ferrous and non-ferrous metals.

This step drill bit is ideal for enlarging pre-existing holes or drilling precise holes in light gauge and soft materials such as sheet metal, making it indispensable in the automotive, electronics, electrical, and mechanical maintenance sectors. Its robust construction and functional design facilitate high-quality drilling tasks with minimal tool changes.

Made in China, the product meets demanding manufacturing standards to ensure reliable performance. The hex shank ensures fast and secure installation, compatible with most standard drills, increasing operational efficiency and reducing downtime.

The step drill bit features nine steps ranging from 4 mm to 12 mm holes. Coated with TiN for increased longevity and reduced heat build-up. Constructed from high-speed steel for resistance to wear and heat. Hex shank (0.25 inch) provides secure grip and compatibility.

Efficient spiral flute design aids chip removal and smooth drilling. Designed for use on ferrous and non-ferrous metals and soft materials. Ideal for industrial, automotive, electronics, electrical, and mechanical applications.

Manufactured in China with high-quality machining standards. Explore our range of Specialist Drill Bits for precision machining tasks in various industrial environments at EnvMart.