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Model Number:70-V25-D12; BQ-135;
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Model Number:70-V25-D12; BQ-135;
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Model Number:80-L30-D16-Z; BQ-135;
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Model Number:80-L35-D16-Z;
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Model Number:80-L35-D16-Z;
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New Carbide Boring Machine Drill Bit for Coal Mining Essential Tunnel Engineering Tool in Mining Forged Processing Type
$60$105.9-43.34%
Model Number:
80-L30-D16-Z; BQ-135
BQ-135
70-V25-D12; BQ-135
80-L35-D16-Z
Quantity:
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Features
Premium Carbide Boring Machine Drill Bit – Durable Mining & Tunneling Solution
Ultra-Hard Carbide Construction
– Precision-forged tungsten carbide tip ensures superior wear resistance and extended lifespan in harsh coal mining conditions.
Engineered for Heavy-Duty Drilling
– Optimized flute design reduces friction and heat buildup, delivering smoother, faster penetration in rock and coal seams.
Industrial-Grade Forged Shank
– Heat-treated alloy steel body provides exceptional torque resistance, preventing breakage under high-load tunneling operations.
Multi-Scenario Application
– Ideal for coal mining, underground tunnel engineering, and forged metal processing, offering unmatched stability in vertical/horizontal drilling.
Cost-Efficient Bulk Solution
– High-performance alternative to standard bits, reducing downtime and replacement costs for large-scale mining operations.
Global Wholesale Advantage
– Direct factory pricing ensures unbeatable value for bulk orders, backed by worldwide logistics support.
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