Startool Inc All-in-1 Extra Coarse is a professional-grade carbide drill bit designed for efficient and precise nail prep. The extra coarse grit removes product buildup, smooths rough edges, and preps the nail surface in a single pass. Built with a durable carbide head and a 3/32 inch shank, this bit fits most standard e-files and delivers consistent performance across gel, acrylic, and natural nails.
Ideal for nail technicians working with high-volume services or detailed shaping, this bit combines speed with control. The carbide construction resists heat and wear, maintaining its edge through repeated use.
How to Use
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Insert the bit securely into your e-file handpiece.
Set your e-file to a medium speed for control.
Work in smooth, even strokes across the nail surface.
Clean the bit with a brush after each use.
Product Details
Material: Carbide
Shank Size: 3/32 inch
Grit: Extra Coarse


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