Dormer 5966780

Dormer Jobber Length Drill Bit, Type N General Purpose, Series: A100, Metric/Imperial, 6.3 mm Drill - Metric, 0.248 in Drill - Decimal Inch, 101 mm Overall Length, 4XD Cutting Depth, 2 Flutes, Spiral Flute, 63 mm Flute Length, Straight Shank, 118 deg Point, Split/Self-Centering Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Steam Tempered, 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.

Application: For general drilling applications

• 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 0.248 in
• Drill Size - Metric 6.3 mm
• Finish Steam Tempered
• Flute Length 63 mm
• Flute Type Spiral
• Material HSS
• Number of Flutes 2
• Overall Length 101 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

• High speed steel (HSS) provides good wear resistance and can be used in general purpose applications for both ferrous and non-ferrous materials
• Oxide prevents chip building, galling and welding on the workpiece
• It is commonly used on low carbons, stainless steel and ferrous metals
• Spiral flutes are constructed with a higher flute angle to remove chips more easily regular helix form tapered web configuration
• No coolant channel