40mm Tapered Button Bit Tungsten Carbide Rock Drilling Tool for Quarrying Mining Tunneling Construction

40mm Tapered Button Bit for Rock Drilling

The 40mm Tapered Button Bit is a rock drilling tool designed for efficient and reliable drilling in quarrying, mining, tunneling, construction and roadwork applications. Manufactured with a high-strength alloy steel body and durable tungsten carbide buttons, this tapered drill bit delivers stable drilling performance, consistent hole quality and dependable service life across medium to hard rock formations.

Applications

This 40mm tapered button bit is suitable for quarrying operations including bench drilling and stone extraction, underground and surface mining for small-hole rock drilling, tunneling for face drilling and development work, general construction for foundation and slope work, roadworks for rock excavation and expansion, and dimension stone projects requiring clean accurate holes.

Features & Advantages

• Durable Alloy Steel Body: Provides stable structure, toughness and long-term reliability under demanding drilling conditions.
• Tungsten Carbide Button Inserts: Wear-resistant ballistic buttons improve penetration efficiency in medium to hard rock formations.
• Tapered Connection Design: Ensures secure matching with tapered drill rods and stable power transmission from the drill to the rock face.
• Optimized Face Design: Available in flat face or drop center configurations to improve drilling efficiency and hole quality.
• Consistent Penetration Performance: Well-matched button layout supports smooth drilling progress and reduces unnecessary downtime.
• Broad Application Range: Suitable for quarrying, mining, tunneling, construction, roadwork and dimension stone projects.

Specifications

Custom taper angles, face designs, button configurations and packaging options can be supplied according to project requirements. Contact us today for specifications and a competitive quotation.