Dormer A777 HSCo Heavy-Duty Jobber Drill 3.80mm OL:75mm WL:43mm DOR380COB

Name: Dormer A777 HSCo Heavy-Duty Jobber Drill 3.80mm OL:75mm WL:43mm DOR380COB
Brand: DORMER
SKU: A7773.8
Price: 8.98 GBP
Availability: InStock

Sold by Trade Hut Direct and 5 other sellers

Product information

Description

General description

This high-performance Dormer A777 Heavy-Duty Cobalt Jobber Drill is specifically designed for demanding drilling applications, particularly in tougher materials and the aerospace industry. It features a heavy-duty 135° split point that enhances precision and efficiency, reducing walking and ensuring accurate holes.

Technical specifications

Material: HSCo cobalt steel

Surface treatment: Bronze

Tip diameter: 3.80 mm

Working length: 43 mm

Overall length: 75 mm

Point angles: 118° conical for sizes 0.30 mm - 0.95 mm; 135° four-facet split point for sizes 1.00 mm and above

Flute geometry: Standard helix, right-hand spiral, thick web

Compatibility and accessories

Compatible with standard drill chucks and drill presses

Suitable for drilling in tough materials such as aerospace-grade metals and high-tensile alloys

Installation

Insert the drill bit into a compatible drill chuck, ensuring it is securely tightened

Set the drill to the appropriate speed for the material being drilled

Align the drill bit with the target point and begin drilling with steady pressure

Usage

Use in drilling applications requiring high heat resistance and precision

Ideal for aerospace, automotive, and industrial metalworking

Ensure proper cooling and lubrication during use to extend tool life

Features

Brand
DORMER
Width
10 cm
Diameter
3.8 mm
Weight
1000 g
Material
HSS

Advice from

Drill buying guide

From hammer drills to drill drivers, your choice of drill will come down to the type of tasks you want to complete. For example, a cordless drill is better for driving screws while a corded drill is best suited to drilling. Read on for our tips on picking the right torque, RPM, impact rate, battery and chuck type.

Read our guide

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