Drill Bits for PCB - Metric 2-flute 35/30° UnderCut
Specifications:
- Flute geometry - 2-flute Undercut
- 0.15÷0.80 mm - medium 35°
- 0.85÷1.00 mm - elastic 30°
- Tip geometry - drill point
- Overall Length - OAL - 38.10 mm (1.5") ±0.25 mm
- Flute diameter - d - nominal +0.00 -0.005 mm
- Shank diameter - D - 3.175 mm (1/8") +0.00 -0.005 mm
- Helix angle - 35°/30°
- Point angle - 130°
- Runout - TIR - max. 0.005 mm
- Depth Of Cut - DOC - nominal ±0.20 mm
- Material - solid tungsten carbide/steel shank
- Operating CNC - 20k÷180k RPM
- Country of Origin - Germany
Benefits:
- Special flute (Undercut/Spade Type) for multilayer PCBs with filled materials and for high TG and BT resins
- Stands out for low drill breakage and good drill deflection values
Applications:
- 0.15÷0.80: ML > 4lg, Polyimid, High Tg resins
- 0.85÷1.00: FR4, ML 4lg, PTFE, Aramid
