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- Diameter:4,5,6,8,10mm Material: Tungsten carbide Shank: Round shank Feature: Low vibration.
- Suitable for drilling holes in granite,concrete,masonry, limestone,natural and artificial stone and so on.
- Impact-resistant and bend-resistant drill bit.
- Wide and deeply supported plate prevents the tip from breaking out.
- High-temperature-brazed tungsten carbide blades for fast,accurate and safe drilling.
- Imported from USA.