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High-speed steel two-flute twist drills — Technical specifications
90.60 Close of review
Finishing reamers for Morse and metric tapers, with cylindrical shanks and Morse taper shanks
90.93 Standard confirmed
Parallel shank jobber and stub series drills and Morse taper shank drills
90.93 Standard confirmed
Reamers — Part 2: Long fluted machine reamers with Morse taper shanks
90.60 Close of review
Shell reamers with taper bore (taper bore 1 : 30 (included)) with slot drive and arbors for shell reamers
90.93 Standard confirmed
Centre drills for centre holes with protecting chamfer — Type B
90.93 Standard confirmed
Morse taper shank countersinks for angles 60 degrees, 90 degrees and 120 degrees inclusive
90.93 Standard confirmed
Parallel shank countersinks for angles 60, 90 and 120 degrees inclusive
90.93 Standard confirmed