Dormer Jobber Length Drill Bit, Type N General Purpose, Series: A100, Metric/Imperial, 20 mm Drill - Metric, 0.7874 in Drill - Decimal Inch, 205 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 140 mm Flute Length, Straight Shank, 118 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Oxide Treated, Dark Gray, Applicable Materials: Plain Carbon Steel, Alloy Steel, Lamellar Graphite, Titanium, Alloyed and Cermet
The A100 is the deliverable and widely tested short twist drill for general applications. The A100 is recognizable by the famous silver ring where the size indication is clearly legible. The A100 HSS DIN338RN twist drill is precision ground to achieve good hole quality and reliable stand time in general applications. The steam-releasing (black) surface holds better coolants and lubricants in favor of the lifetime and quality of the hole.
DIN 338
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Applicable Materials
Plain Carbon Steel, Alloy Steel, Lamellar Graphite, Titanium, Alloyed and Cermet
Color
Dark Gray
Cutting Depth
4XD
Cutting Direction
Right Hand
Cutting Edge Material
HSS
Drill Diameter Measurement System
Metric/Imperial
Drill Size - Decimal Inch
0.7874 in
Drill Size - Metric
20 mm
Finish
Oxide Treated
Flute Length
140 mm
Flute Type
Spiral
Material
HSS
Number of Flutes
2
Overall Length
205 mm
Point Angle
118 deg
Point Type
Split/Self-Centering
Series
A100
Shank Type
Straight
Through Coolant (Yes/No)
No
Type
Type N General Purpose
Brand
Dormer
Country of Origin
BR