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Drill S & R GL on Din Standard 340 for drilling through and blind holes in the cast iron, nonferrous metals, plastics, structural and tool steel Hardness 250 Bhn.
In the production technology of precision drill used vyshlifovyvaniya working profile and a special heat treatment technique to provide maximum strength and stiffness.
drill made of high speed steel with sharpening along a conical surface.
Accuracy h 8.
Drill on S & R GL metal suitable for hand-held drills and other drilling equipment.