Tip diameter: 4.0mm. Working length: 43mm. Overall length: 75mm. The Dormer A101 Metric Traditional Flute Ground Jobber Drill Bits are ideal for general machining applications. This HSS drill bit has a left hand spiral and a blue finish (bright below 3mm). Manufactured to DIN 338 LN / BS328 / ISO 235. Specification Flute Geometry: Standard Helix, Left hand spiral. Point Angle: 118. Material: High Speed Steel.
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