Dormer A777 HSCo Heavy-Duty Jobber Drill 9.00mm OL:125mm WL:81mm
Not quite what you had in mind?
Shop the Full Collection
Not quite what you had in mind?
Shop the Full CollectionA777 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: 9.0mm
Working length: 81mm.
Overall length: 125mm.
Processing & Shipping: Most orders ship within 1–2 business days (weekdays only), with possible delays during high volume periods.
60-Day Return Window: Unused items in original packaging can be returned within 60 days for a full refund.
For full details, please see our Returns and Refunds Policy.
Questions or Concerns: Our friendly team is here to help with orders, product information, or any general queries.
Email: onlinesales@towntools.co.uk
Response Time: We aim to reply as quickly as possible during our regular business hours.
For more details or to send us a direct message, please visit our Contact Us Page.