OSG Carbide 4 Flute End Mill Square Edge Diamond Coated - Regular Length For Plastic & Graphite - 12mm SPIRALMILLHOLDER 39 mm size with DIN

39 mm size with DIN 8089 and ISO H4 tolerance: delivers repeatable bore diameters and reliable hole finishing in production runs

improving alignment and reducing runout for reliable results

Through coolant with optimized flute geometry: The coolant reaches the cutting edge for better heat management

Precision-ground carbide for consistent accuracy: Each drill is ground for tight tolerances

shorten downtime

OSG Carbide 4 Flute End Mill Square Edge Diamond Coated - Regular Length For Plastic & Graphite - 12mm SPIRALMILLHOLDER 39 mm size with DINThe OSG Carbide 4 Flute End Mill with a square edge design and Diamond Coating is a precision cutting tool built for plastic and graphite workpieces. With a 12 mm diameter and a regular length shank, it offers stable cutting, clean edges, and reliable performance for both prototyping and production runs. Diamond coating enhances wear resistance and tool life, helping the end mill stay sharp through demanding cuts while reducing downtime from worn