Product Name: Magnetic Drilling 50mm Depth Hole Drilling HSS Annular Cutter Drills Model NO.: DNHC-4 Usage: metal Drilling Material: High Speed Steel Type: Core Drill Bit Length: Taper-length Certification: ISO9001,ISO4001 Customized: Customized Applications: Building and Industrial Shank Type: Universal Shank Shank Diameter: 19.05mm Suitable for: Magnetic Drill Machine Trademark: CHTOOLS Transport Package: Plastic Box, Transparent Plastic Box Specification: 50mm Origin: China HS Code: 8207509000 Product Description TypeSize(mm)TypeSize(mm)DNHC-4012012*50DNHC-4031031*50DNHC-4013013*50DNHC-4032032*50DNHC-4014014*50DNHC-4033033*50DNHC-4015015*50DNHC-4034034*50DNHC-4016016*50DNHC-4035035*50DNHC-4017017*50DNHC-4036036*50DNHC-4018018*50DNHC-4037037*50DNHC-4019019*50DNHC-4038038*50DNHC-4020020*50DNHC-4039039*50DNHC-4021021*50DNHC-4040040*50DNHC-4022022*50DNHC-4041041*50DNHC-4023023*50DNHC-4042042*50DNHC-4024024*50DNHC-4043043*50DNHC-4025025*50DNHC-4044044*50DNHC-4026026*50DNHC-4045045*50DNHC-4027027*50DNHC-4046046*50........................DNHC-4029029*50DNHC-4059059*50DNHC-4030030*50DNHC-4060060*50