Dormer Cobalt PCB Drill Bit, 0.4mm Diameter

RS Stock No.:: 953-976
Mfr. Part No.:: A720 0-40MM
Brand:: Dormer

Dormer Cobalt PCB Drill Bit, 0.4mm Diameter

Subtotal (1 unit)*

£12.65

(exc. VAT)

£15.18

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

20 unit(s) ready to ship from another location
Plus 20 unit(s) shipping from 24 October 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£12.65

*price indicative

RS Stock No.:: 953-976
Mfr. Part No.:: A720 0-40MM
Brand:: Dormer

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Dormer
	Diameter	0.4mm
	Material	Cobalt

	Select all
	Brand Dormer
	Diameter 0.4mm
	Material Cobalt

A720 Series Drills Specification Data Sheet

RoHS Status: Exempt

COO (Country of Origin):: FR

Dormer PCB Drill Bit, 0.4mm Diameter, Cobalt Material - A720 0-40MM

This high-traffic, precision PCB drill bit by Dormer is specifically designed for fine precision drilling. The cutting-edge drill bit is made of cobalt material and has a diameter of 0.4mm, making it reliable for intricate work in automation, electronics, electrical, and mechanical industries.

Features & Benefits

• Designed for PCB drilling applications with a 0.4mm diameter
• Made of cobalt material for durability and precision
• Standard helix, right-hand spiral flute geometry for optimal performance
• Shank diameter of 1mm for compatibility with various machines
• Point angle of 118° for accuracy in drilling operations
• Bright surface treatment for enhanced visibility during use

Applications

• Ideal for fine precision drilling in PCBs
• Can be used for creating small holes with high accuracy
• Recommended for professionals and hobbyists in need of reliable drilling solutions

Can it be used for drilling small holes in delicate electronic components?

Yes, the Dormer PCB Drill Bit is reliable for drilling small holes in delicate electronic components due to its 0.4 mm diameter and cobalt material.

Will it work well with a handheld drill machine?

Yes, the shank diameter of 1mm makes it compatible with various machines, including handheld drill machines.

Is it suitable for precision drilling tasks requiring high accuracy?

Yes, the point angle of 118° ensures precise drilling operations, making it ideal for tasks that require high accuracy and reliability.