Dormer A7778.5 A777 Hsco Heavy-Duty Jobber Drill 8.50Mm Ol: 117Mm Wl: 75Mm DOR850COB
![]() |
Buy Dormer A7778.5 A777 Hsco Heavy-Duty Jobber Drill 8.50Mm Ol: 117Mm Wl: 75Mm DOR850COB
When you make a purchase through links on our site, we may receive a affiliate commission.
Dormer A7778.5 A777 Hsco Heavy-Duty Jobber Drill 8.50Mm Ol: 117Mm Wl: 75Mm DOR850COB | £13.97 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits A7778.5 | £143.95 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits 8.5mm Pack of 10 A7778.5 | £143.95 | ![]() | |||
Dormer A777 HSS-E Cobalt Jobber Drill Bits 8.5mm Pack of 10 A7778.5 | £143.95 | ![]() |
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 WebPoint Angle: 0.30 mm - 0.95 mm 118° Conical point1.00 mm to 1.40 mm inclusive 135° 4 facet point1.50 mm and above 135° split point sizes (Split point geometry to NAS 907 Aerospace Specification type P3 Point) Surface Treatment: BronzeMaterial: HSCo Cobalt steel DIN 338 RN / BS328 / ISO 235Tip diameter: 5.80mmWorking length: 75mm.Overall length: 117mm.PTDDOR850COB
The product description is generated based on data from online stores. Before purchasing be sure to verify all information directly with the seller.

Screwdrivers and drills for dummiesQuestions about drills and screwdrivers that beginners are embarrassed to ask more experienced craftsmen

Sparks, smoke, crunch and burning smell: what can break in a drill or screwdriverWe understand why drills and screwdrivers smoke, spew sparks, overheat, make strange sounds and work poorly
How to place an order?How to add store?
Remember that the online store is responsible for the accuracy of information regarding price, warranty, and delivery!
You may be interested in