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.
Flute Geometry: Standard Helix, Right hand spiral, Thick Web
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: 3.50mm
Working length: 39mm.
Overall length: 70mm.
We dispatch all orders placed before 1pm on the same day. Orders placed after 1pm will be dispatched on the next working day. Orders placed over the weekend will be dispatched on Monday.
Our delivery charges:
Standard Delivery (3-5 working days): £3.99
Express Delivery (1-2 working days): £5.99
We can also ship to the EU or any other country. If you are located outwith the UK, please contact us for a quote using the contact form below.
If you have received a damaged delivery or an incorrect item, please let us know and we will do our best to rectify the situation. We can either issue a refund for you or send you a replacement item.
If you would like to return the item you purchased, please let us know so we can provide you with the return details.
Please contact us using the contact form below or give us a ring on 01382 770599.