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DOR250COB A777 HSCo Heavy-Duty Jobber Drill 2.50mm OL:57mm WL:30mm

Power Tool AccessoriesDrillingMetal Drill BitsTiN Coated & Cobalt Jobber Drill Bits

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: 2.50mm
Working length: 30mm.
Overall length: 57mm.

Buying Options

Price is £6.81 Stock is Unknown | Unknown

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Product Specifications

  • DOR250COB
  • S
  • True
  • Dormer (DOR)
  • False
  • 0
  • 7320760374870
  • N
  • 1
  • A7772.5
  • False
  • 10
  • 57 x 3 x 3
  • 0.002kg
  • TBD
  • 2
  • 0

Technical Specs

  • 2.5
  • 30
  • 57
  • 1

Products in the Group

Tip Diameter (mm) Tip Diameter (in) Working Length (mm) Overall Length (mm) Pack Qty.
A777 HSCo Heavy-Duty Jobber Drill 1.00mm OL:34mm WL:12mm DOR100COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
1mm 12mm 34mm 1 £8.46
A777 HSCo Heavy-Duty Jobber Drill 1.50mm OL:40mm WL:18mm DOR150COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
1.5mm 18mm 40mm 1 £7.44
A777 HSCo Heavy-Duty Jobber Drill 2.00mm OL:49mm WL:24mm DOR200COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
2mm 24mm 49mm 1 £6.03
A777 HSCo Heavy-Duty Jobber Drill 2.50mm OL:57mm WL:30mm DOR250COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
2.5mm 30mm 57mm 1 £6.81
A777 HSCo Heavy-Duty Jobber Drill 3.00mm OL:61mm WL:33mm DOR300COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
3mm 33mm 61mm 1 £6.81
A777 HSCo Heavy-Duty Jobber Drill 3.20mm OL:65mm WL:36mm DOR320COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
3.2mm 36mm 65mm 1 £7.87
A777 HSCo Heavy-Duty Jobber Drill 3.30mm OL:65mm WL:36mm DOR330COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
3.3mm 36mm 65mm 1 £7.13
A777 HSCo Heavy-Duty Jobber Drill 3.50mm OL:70mm WL:39mm DOR350COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
3.5mm 39mm 70mm 1 £8.35
A777 HSCo Heavy-Duty Jobber Drill 3.80mm OL:75mm WL:43mm DOR380COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
3.8mm 43mm 75mm 1 £9.77
A777 HSCo Heavy-Duty Jobber Drill 4.00mm OL:75mm WL:43mm DOR400COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
4mm 43mm 75mm 1 £8.85
A777 HSCo Heavy-Duty Jobber Drill 4.20mm OL:75mm WL:43mm DOR420COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
4.2mm 43mm 75mm 1 £9.25
A777 HSCo Heavy-Duty Jobber Drill 4.50mm OL:80mm WL:47mm DOR450COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
4.5mm 47mm 80mm 1 £10.50
A777 HSCo Heavy-Duty Jobber Drill 4.80mm OL:86mm WL:52mm DOR480COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
4.8mm 52mm 86mm 1 £11.45
A777 HSCo Heavy-Duty Jobber Drill 5.00mm OL:86mm WL:52mm DOR500COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
5mm 52mm 86mm 1 £11.00
A777 HSCo Heavy-Duty Jobber Drill 5.50mm OL:93mm WL:57mm DOR550COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
5.5mm 57mm 93mm 1 £14.60
A777 HSCo Heavy-Duty Jobber Drill 6.00mm OL:93mm WL:57mm DOR600COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
6mm 57mm 93mm 1 £14.30
A777 HSCo Heavy-Duty Jobber Drill 6.50mm OL:101mm WL:63mm DOR650COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
6.5mm 63mm 101mm 1 £17.80
A777 HSCo Heavy-Duty Jobber Drill 6.80mm OL:109mm WL:69mm DOR680COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
6.8mm 69mm 109mm 1 £19.30
A777 HSCo Heavy-Duty Jobber Drill 7.00mm OL:109mm WL:69mm DOR700COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
7mm 69mm 109mm 1 £20.40
A777 HSCo Heavy-Duty Jobber Drill 7.50mm OL:109mm WL:69mm DOR750COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
7.5mm 69mm 109mm 1 £21.65
A777 HSCo Heavy-Duty Jobber Drill 8.00mm OL:117mm WL:75mm DOR800COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
8mm 75mm 117mm 1 £23.90
A777 HSCo Heavy-Duty Jobber Drill 8.50mm OL: 117mm WL: 75mm DOR850COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
8.5mm 57mm 93mm 1 £27.20
A777 HSCo Heavy-Duty Jobber Drill 9.00mm OL:125mm WL:81mm DOR900COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
9mm 81mm 125mm 1 £31.60
A777 HSCo Heavy-Duty Jobber Drill 10.00mm OL:133mm WL:87mm DOR1000COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
10mm 87mm 133mm 1 £37.50
A777 HSCo Heavy-Duty Jobber Drill 10.50mm OL:133mm WL:87mm DOR1050COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
10.5mm 87mm 133mm 1 £48.40
A777 HSCo Heavy-Duty Jobber Drill 12.00mm OL:151mm WL:101mm DOR1200COB | Dormer | TiN Coated & Cobalt Jobber Drill Bits
12mm 101mm 151mm 1 £64.70

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