Skip to content
Contact About Us Help Guides & Information Trade Accounts
⚡ Rock Bottom Prices. Maximum Choice.⚡
⚡ Rock Bottom Prices. Maximum Choice.⚡
Dormer A777 HSCo Heavy-Duty Jobber Drill 6.80mm OL:109mm WL:69mm

Dormer A777 HSCo Heavy-Duty Jobber Drill 6.80mm OL:109mm WL:69mm

Shop All Dormer
SKU DOR680COB-TOOLBANK
£118.99 - £118.99
£118.99
£118.99 - £118.99
£118.99
Available to orderCollect in 1-2 working daysDelivery in 2-3 working days
Mix & Match multibuy — buy any 2 or more and save 5% MULTIBUY — Mix & match, buy any 2+ & save 5% Combine any products in our 5% Mix & Match range — discount applied automatically in your basket. No code needed.
Available to order — not in the Northampton shop today
Click & Collect — Rock Bottom Northampton Ready in 1-2 working days · FREE
Home Delivery Delivered in 2-3 working days · FREE over £85

Product Description

A777 Metric Cobalt Jobber Drill Bits have a heavy-duty, 135° split point for use when greater heat is generated during drilling, e.g on higher tensile tougher materials and in particular the Aerospace Industry.

Specification

Flute Geometry: Standard Helix, Right hand spiral, Thick Web
Point Angle:
0.30 mm - 0.95 mm 118° Conical point
1.00 mm to 1.40 mm inclusive 135° 4 facet point
1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Aerospace Specification type P3 Point)

Surface Treatment: Bronze
Material: HSCo Cobalt steel

DIN 338 RN / BS328 / ISO 235

Tip diameter: 6.80mm
Working length: 69mm.
Overall length: 109mm.

Specifications

Brand Dormer
Size 0.7 x 0.7 x 10.9 cm
MPN DOR680COB
EAN 7320760375396

About Dormer

Dormer is a precision cutting-tool specialist, its drills, taps and dies trusted in engineering and maintenance worldwide.

🔨 Trade Prices for Everyone

Why pay more? We keep our prices rock-bottom so whether you’re a trade professional or DIYer, you always get the best deal.

🏠 Local & Independent


We’re Northampton’s trusted family-run store, supporting local people with great products and honest service.

🚚 Easy Pickup or Local Delivery

Order online and collect in-store, or get heavy items like blocks and cement delivered straight to your site.

👍 Friendly, Helpful Service

Our staff know their stuff — whether it’s building materials, DIY or garden, we’re here to help you get the job done.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare