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Solid Carbide 120 Degree NC Spot Drill Bit For Steel
1. Product Name: Solid Carbide 120 Degree NC Spot Drill Bit For Steel
2. Standard size: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm
3. Advantages: High Precision,Good Surface & Performace
4. Certification: ISO9001:2008 , Supplier Assessment Certificate