CoroDrill Delta-C 841

CoroDrill® Delta-C solid carbide step and chamfer drills

• Distance cutting edge to cutting tip (PL): 2.1 mm
• Adapter interface machine direction (ADINTMS): Cylindrical shank without clamping features - metric: 18.00
• Basic Classification (BSG): COROMANT
• Coating Process Type: PVD
• DCONMS: 18 mm
• Max. speed (-81, -82: Maximum speed) (RPMX): 50000 rpm
• Achievable hole tolerance (TCHA): H9
• Functional length (LF): 120.9 mm
• Total length (OAL): 123 mm
• Manufacturer item number: R841-1250-30-A1A 1220
• Manufacturer: SANDVIK COROMANT
• IC Code: 9050
• ISO Cutting Tool Material: HC
• Coolant pressure (CP): 20 bar
• Coolant inlet (CNSC): 4: axial concentric entry on circle
• Life Cycle Status (LCS): 20
• Maximum regrinding operations (NORGMX): 3
• Usable length (LU): 41.8 mm
• Upper achievable bore tolerance (TCHAU): 12,543 mm
• Cutting diameter (DC1): 12.5 mm
• Cutting diameter (DC2): 16.9 mm
• Grade: 1220
• Chip flute length (LCF): 67 mm
• Step length, 1st step (SDL): 37.5 mm
• Substrate Type: WC
• Tolerance shaft diameter (TCDCON): h6
• Lower achievable bore tolerance (TCHAL): 12.5 mm
• Angle, 1st stage (SIG): 140 deg
• Usable length: 41.8 mm
• Functional length L: 120.9 mm
• Chip flute length LC: 67 mm