Mining Support Products · factory-direct

China Geology-Customized Thread Drill Bits – High-Speed Drilling For Global Mines – Jiufu Supplier,Manufacturer

Crafted with a high-grade H13 alloy steel body (heat-treated at 1100℃ for superior toughness) and YG11C/YG13C tungsten carbide tips (density ≥14.9g/cm³), our

Standard outer diameter: 8mm-50mm; customizable range: 5mm-80mm to match diverse hole size requirements.
Available in three core types: Cross-cut (soft rock), Ball-tooth (hard rock), and Clay-specific (sticky soil/soft sedimentary rock).

Mill test certificate with every bundle
Cut-to-length and inspection available
SGS pre-shipment inspection on request

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Typical lead time 25-35 days ex-works · MOQ 2 t · FOB Ningbo / CIF Ashdod / DAP site

Crafted with a high-grade H13 alloy steel body (heat-treated at 1100℃ for superior toughness) and YG11C/YG13C tungsten carbide tips (density ≥14.9g/cm³), our

Products ship with heat traceability and the documentation agreed in your quote.

Typical applications

Mining & Tunneling

Specifications
Standard outer diameter	8mm-50mm; customizable range: 5mm-80mm to match diverse hole size requirements.
Available in three core types	Cross-cut (soft rock), Ball-tooth (hard rock), and Clay-specific (sticky soil/soft sedimentary rock).

Specifications
Standard outer diameter	8mm-50mm; customizable range: 5mm-80mm to match diverse hole size requirements.
Available in three core types	Cross-cut (soft rock), Ball-tooth (hard rock), and Clay-specific (sticky soil/soft sedimentary rock).