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A777 HSCo Cobalt Heavy-Duty Jobber Drill Bits Imperial

A777 Imperial 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: 1/4in.
Working length: 63mm.
Overall length: 101mm.

Technical Specs

Tip diameter: 1/4in. 
Working length: 63mm.
Overall length: 101mm. 

 
Price is for individual model shown.
DOR14COB: £13.26
View ModelsThis product has various models available. All buy buttons, comparisons and prices are listed below. Scroll down or use the button to jump there.
brandlogo Code: DOR14COB
Stock: Will be despatched next working day

Box Content

1 x Dormer A777 HSCo Heavy-Duty Jobber Drill 1/4in

Other Products within the Group

Name Tip Diameter Working Length Overall Length Pack Quantity Price
A777 HSCo Heavy-Duty Jobber Drill 1/8in OL:65mm WL:36mm
DOR18COB Dormer
1/8in 36mm 65mm £5.77
A777 HSCo Heavy-Duty Jobber Drill 5/32in OL:75mm WL:43mm
DOR532COB Dormer
5/32in 43mm 75mm £7.50
A777 HSCo Heavy-Duty Jobber Drill 3/16in OL:86mm WL:52mm
DOR316COB Dormer
3/16in 52mm 86mm £8.28
A777 HSCo Heavy-Duty Jobber Drill 7/32in OL:93mm WL:57mm
DOR732COB Dormer
7/32in 57mm 93mm £10.20
A777 HSCo Heavy-Duty Jobber Drill 1/4in OL:101mm WL:63mm
DOR14COB Dormer
1/4in 63mm 101mm £13.26
A777 HSCo Heavy-Duty Jobber Drill 5/16in OL:117mm WL:75mm
DOR516COB Dormer
5/16in 75mm 117mm £19.99
A777 HSCo Heavy-Duty Jobber Drill 3/8in OL:133mm WL:87mm
DOR38COB Dormer
3/8in 87mm 133mm £29.06

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