10pcs 3.175mm Shank Micro Drill Bits 0.3/0.4/0.5mm PCB Carbide Drill Bit CNC Engraving Tool

Description: 10pcs 3.175mm Shank Micro Drill Bits 0.3/0.4/0.5mm PCB Carbide Drill Bit CNC Engraving Tool Specification: Material: Carbide (tungsten steel) Handle diameter: 3.175mm Total lenght: 38mm Bit diameter: 0.3/0.4/0.5mm (It only has one size you choose in a box, please choose the size you need.) Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment. Quantity: 10pcs/box (same size bit) Features: Large drill bit chip space, chip resistance,chip smooth, small drilling heat, reduce smear. Extraordinary cutting edge sharpness, using nanotechnology and advanced grinding technology,reduce the cutting force, reduce the broken drill rate, improve the hole wall quality; Cutting edge strictly symmetrical: beneficial and efficient cutting, avoid offset drilling. Carbide PCB CNC Drill Bits replacements for your CNC machines and any Handheld tool: Dremel, Jewelry. Package Included: 1 Box x Drill Bits (10pcs/box) Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, pls understand. 3. The color would be sent in random, hope your sicnerely understanding. More Details: