10pcs 3.175mm Shank Micro Drill Bits 0.5mm Carbide Drill Bit Tool 0.5mm

Specification: Material: Carbide (tungsten steel) Handle diameter: 3.175mm Total lenght: 38mm Bit diameter: 0.3/0.4/0.5mm? (It has one size you choose in a box, please choose the size you need.) Fit for: drilling machines, machine, and high precision special drilling . Quantity: 10pcs/box?(same size bit) ? Features: Large drill bit space, resistance, smooth, small drilling heat, reduce smear. Extraordinary edge sharpness, using nanotechnology and advanced grinding technology,reduce the force, reduce the broken drill rate, improve the hole wall quality; edge strictly symmetrical: beneficial and efficient , avoid offset drilling. Carbide Drill Bits replacements for your 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 may have different as the difference display, pls understand.
3. The would be sent in random, hope your sicnerely understanding. ? More Details:
























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