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Titanium plating, which is well protected against rust.
Applicable to ordinary hand electric drill or bench drill.
Suitable for drilling in ceramics, glass, granite, ceramic tile and brick wall, etc.
It has 6 sizes(4mm, 5mm, 6mm, 8mm, 10mm, 12mm) in one set, which meet your different needs perfectly.
Material: Hard alloy
Surface Treatment: Plating titanium
Hex Shank Diameter: Approx. 6.35mm (1/4 inch hexagonal shank)
Package Weight: Approx. 110g / 3.88oz
6 * Glass Drill Bits