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Crownloc Plus exchangeable tip drills save users money by incorporating several new features that yield high quality holes with less tool inventory and no regrinding or resetting costs, according to the manufacturer, Seco. The line includes options for drilling holes ranging from 0.472” to 0.787” in diameter with 3×D, 5×D and 8×D cutting depths.
Featuring new optimized geometry with TiAIN coating, Crownloc Plus has enhanced entering capabilities, as well as excellent chip evacuation and wear resistance in a variety of materials, including stainless steels and superalloys. The line’s strong, polished drill body design includes deep and wide flutes and a high-strength locking interface.
For best results, Seco recommends using these exchangeable crowns with the following holders: the Weldon DIN 1835 B/DIN 6535 HB, Type 5834 hydraulic chucks (for cylindrical, -R1 shanks only) or Type 5603 shrinkfit holders (for cylindrical, -R1 shanks only).
Cutting Tool Composition
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