Product: Micro Drill Bit Key specs - Total weight: 31 g - Cutting diameter: 1.4 mm / 0.055 in - Shank diameter: 3.175 mm / 1/8 in - Cutting depth: 12 mm / 0.47 in - Package content: 6 x Micro Drill Bit, 1 x Plastic Box - Material / finish: Carbide, TiN coated; Color: Silver Tone, Gold Tone Why this matters - Carbide with TiN coating delivers high hardness and wear resistance for durable micro drilling - TiN coating reduces friction and heat, helping maintain accuracy and extend bit life - 1/8 in (3.175 mm) shank fits standard drill chucks and rotary tools - Small cutting diameter and measured depth are designed for precise, controlled holes Compatibility and performance - Suitable for precision drilling in hard plastics, soft metals, and electronics substrates - Designed for projects requiring accurate micro holes with clean edges - Each bit is kept in a plastic box for organization and quick replacement Applications (2-3 practical scenarios) - Drilling small holes in PCBs, acrylic, or other electronics housings for components and wiring - Creating precise holes in jewelry components, model parts, or watch instrumentation - Prototyping and hobby work that requires accurate 1.4 mm micro holes in soft metals or plastics Notes - Cutting depth listed is 12 mm; drill slowly and use appropriate lubrication if drilling metal or dense plastics - 6 bits per package provide replacement options and convenient storage