Makita HSS Step Drill Bit 4mm x 20mm

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£39.43

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£47.32

(inc. VAT)

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RS Stock No.:
194-7927
Mfr. Part No.:
D-40129
Brand:
Makita
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Brand

Makita

Drill Bit Type

Step Drill Bit

Number of Steps

9

Material

HSS

Minimum Head Size

4mm

Maximum Head Size

20mm

RoHS Status: Exempt

COO (Country of Origin):
CN

Makita Drill Bit, 4mm Minimum Head size, 20mm Maximum Head size - D-40129


This step drill bit is a high-speed steel (HSS) tool specifically designed for creating multiple hole sizes in softer or thinner materials. It features a conical shape and includes nine distinct steps, allowing you to produce holes ranging from 4 to 20 mm with just one drill bit. The straight flute design enhances efficiency during metal drilling tasks, making it suitable for professionals in automation, electronics, and mechanical industries.

Features & Benefits


• TiN coating improves durability and reduces friction
• 1/4 hex shank ensures compatibility with various drill types
• Created for use on ferrous and non-ferrous metals
• Efficiently enlarges existing holes with precision
• Straight flute design optimises chip removal during drilling

Applications


• Used for enlarging holes in sheet metal
• Suitable for creating clean openings in electrical enclosures
• Ideal for precision drilling in mechanical assemblies
• Used for automation industry for varied metal tasks

What are the advantages of using a step drill bit for my projects?


A step drill bit allows for the creation of multiple hole sizes from a single tool, saving time and the need for multiple bits. Its design is particularly effective for precise enlargements of existing holes, which enhances efficiency in a variety of applications.

How does the TiN coating benefit the performance of the drill bit?


The titanium nitride coating enhances the hardness of the drill bit, which reduces wear and tear during use. This results in a longer tool life and consistent performance, even under high-speed conditions.

Can this drill bit be used with a standard drill?


Yes, the 1/4 hex shank is designed to fit most standard drills, ensuring versatility in your drilling tasks. This compatibility allows for seamless integration into your existing toolkit.

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