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18mm×17mm×5mm Tungsten Carbide Coal Mining Drill Bit with Hexagonal Connection for Strong Cutting Force
Product Specifications
Production Name
18mm×17mm×5mm Carbide Coal Bit
Diameter
38mm
Length
76mm
Body Material
42CrMo, 45CrNiMoVA
Tip Material
Tungsten Carbide
Weight
0.25kg/pc
Product Overview
This large-cutting-face carbide drill bit is engineered for coal mining applications. Featuring core cutting teeth measuring 18mm (length) × 17mm (width) × 5mm (thickness), it delivers exceptional performance in medium and large diameter shallow hole drilling within soft and medium-soft coal seams.
Key Advantages: Strong cutting force, superior wear resistance, and high adaptability for various coal mining conditions.
Design Features
Dual Operation Modes: Wet mode with central water hole for dust suppression and cooling; dry mode for waterless operation and emergency use
Four-Wing Structure: Distributes cutting force evenly for extended service life
Hexagonal Connection: Ensures excellent torque transmission and secure fitting
Optimized Cutting: Designed for efficient drilling in coal seam applications
Applications & Compatibility
Compatible Equipment: Handheld electric coal drills, small anchor bolt drilling rigs, and lightweight pneumatic/hydraulic drilling rigs.
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