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Dormer A777 HSCo Heavy-Duty Jobber Drill 5.50mm OL:93mm WL:57mm DOR550COB

Name: Dormer A777 HSCo Heavy-Duty Jobber Drill 5.50mm OL:93mm WL:57mm DOR550COB
Brand: DORMER
SKU: A7775.5
Price: 10.98 GBP
Availability: InStock

Sold by Trade Hut Direct and 5 other sellers

Product information

Description

General description

This high-quality Dormer A777 Heavy-Duty Cobalt Jobber Drill is designed for heavy-duty drilling tasks, particularly in tougher materials that generate more heat, such as those found in the Aerospace Industry. It features a 135° split point for precise starting and reduced walking during drilling, making it suitable for applications requiring high accuracy.

Technical specifications

Tip diameter: 5.50 mm

Working length: 57 mm

Overall length: 93 mm

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

Point angles: 118° conical point for sizes 0.30 mm to 0.95 mm; 135° four-facet point for sizes 1.00 mm to 1.40 mm; 135° split point for sizes 1.50 mm and above

Surface treatment: Bronze

Material: HSCo cobalt steel

Standards: DIN 338 RN / BS 328 / ISO 235

Compatibility and accessories

Compatible with standard drill chucks for sizes up to 13 mm

Suitable for drilling in metals, including tougher alloys and aerospace-grade materials

Installation

Insert the drill bit into a compatible drill chuck and tighten securely

Ensure the drill is set to the appropriate speed for the material being drilled

Usage

Use with appropriate safety gear, including eye protection

Apply steady pressure during drilling to maintain precision

Use cooling lubricant or cutting fluid when drilling harder materials to reduce heat and extend tool life

Features

Brand
DORMER
Width
10 cm
Diameter
5.5 mm
Weight
110 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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Dormer A777 HSCo Heavy-Duty Jobber Drill 5.50mm OL:93mm WL:57mm DOR550COB

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