These bits aren't strong enough to cut copper, much less any steel.I've tried 0.2mm DoC, 30mm/min and 0.1mm DoC at 60mm/min. Spindle is 10,000RPM. 0.8mm max depth.
ο»Ώ
π© Tungsten Milling Engraving Drilling Tool: 0.5-3.175mm Precision for Efficient Machining
7 Review
π² Precision Square Straight Cutter in Imperial Metric
9 Review
π§ SPEED TIGER Carbide Square Mill - Precision Tool for Enhanced SEO
7 Review
Autotoolhome High-Speed Steel Straight Cutter
7 Review