SERIES 55 HRC
55 HRC Steel Center Drill
Designation: HRC55-SPOT-STEEL
Center-drill geometry for steel. The series includes a full range of standard diameters, cutting lengths and shanks listed in the catalog table.
HARDNESSUp to 55 HRC
COATINGDepending on series version
GEOMETRYCenter-drill geometry for steel
Key Features
—Center-drill geometry for steel
—The full size range is listed on catalog pages 075–076
—Standard items are stocked; non-standard versions are available on request
Recommended Workpiece Materials
Applications
Technical Parameters
CategoryEconomical General-purpose End Mills
Series55 HRC
DesignationHRC55-SPOT-STEEL
Workpiece MaterialSteel system
HardnessUp to 55 HRC
CoatingDepending on series version
GeometryCenter-drill geometry for steel
DiameterSize range in the series table
Cutting LengthAccording to selected size
Overall LengthAccording to selected size
Shank DiameterAccording to selected size
Machining ParametersSelected according to material and operation
CatalogMingtaishun End Mills · 2026 Catalog
Catalog section075–076
Fields marked [Content required] must be completed from company technical documentation. Size ranges and cutting data are available on request.
