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Dormer A777 HSCo Heavy-Duty Jobber Drill 8.50mm OL: 117mm WL: 75mm A7778.5

List Price: £26.58 Special Price £12.24 £10.20
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SKU
PTDDOR850COB
Tip diameter: 5.80mmWorking length: 75mm.Overall length: 117mm....
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(Please note images of products are for representation purposes only. Whilst every care is taken to provide accurate images of products, actual products may differ slightly.)

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 Areospace Specification type P3 Point)

Surface Treatment: Bronze
Material: HSCo Cobalt steel

DIN 338 RN / BS328 / ISO 235

Tip diameter: 5.80mm
Working length: 75mm.
Overall length: 117mm.

PTDDOR850COB

More Information
ConditionNew
SKUPTDDOR850COB
Weight0.040000
ManufacturerDormer
Manufacturers Part NumberA7778.5
Promo ID0
Package Height (cm)0.9
Package Width (cm)0.9
Package Length (cm)11.7
Bullet 1Standard Helix.
Bullet 2Right hand spiral.
Bullet 3Thick Web.
Bullet 4Material: HSCo Cobalt steel
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