interjunzhan Micro Drill Bits, 50Pcs Durable Tungsten Carbide PCB Micro Drill Bits Set for Circuit Board Engraving Tool Drilling Tool Model Making 0.5-0.9mm 50pcs
- Contains 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm size drill bits, each of which has 10, can provide you with a variety of work operations..
- These end mill engraving heads are an ideal alternative to your CNC or PCB machinery..
- Has sufficient bending strength and abrasion resistance..
- Excellent processing technology can make your engraving more stable and accurate..
- Made of ultra-fine grained cemented carbide material with good milling performance to ensure efficient work..