Jiangsu Profile
Product List
3871. Hammer Drill Diamond Dry Core Drill Bit with Pilot Bit 
[Feb 10, 2026]
[Feb 10, 2026] Wet Core Bit for Concrete and Hard Masonry High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. Ideal for: High ...
Company: DONGYAN INTERNATIONAL CO., LTD.
3872. Heavy-Duty Industrial Ntw 77 Geotechnical Drill Bit for Precision Soil Analysis [Feb 06, 2026]
[Feb 06, 2026] NTW 77 imported material This tool is specifically engineered for ultra-hard, low-abrasion formations such as fine-grained granite, quartzite, siliceous rock, and basalt. Its drill bit exhibits exceptional wear ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3873. High-Performance Ntw 77 Geotechnical Drill Bit for Soil Sampling Analysis [Feb 06, 2026]
[Feb 06, 2026] NTW 77 Slip-prone formation The single tooth structure can increase the friction with the stratum, avoid the drill bit slipping, disperse the cutting pressure, and improve the drilling efficiency and stability in the ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3874. Quick Drill Bit with Sawtooth Pieces [Feb 03, 2026]
[Feb 03, 2026] Quick Drill Bit with Sawtooth Pieces The Fast Drill Bit – Saw Blade is a high-efficiency drilling tool with its core competitiveness lying in the innovative saw blade design. The sharp, regularly arranged serrations ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3875. Quick Drill Bit with Sawtooth Pieces for Efficient Drilling [Feb 03, 2026]
[Feb 03, 2026] Quick Drill Bit with Sawtooth Pieces for Efficient Drilling The Fast Drill Bit – Saw Blade is a high-efficiency drilling tool with its core competitiveness lying in the innovative saw blade design. The sharp, regularly ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3876. Quick Drill Bit with Sun Pieces for Rapid Drilling Tasks [Feb 03, 2026]
[Feb 03, 2026] Quick Drill Bit with Sun Pieces for Rapid Drilling Tasks The Rapid Drill Bit-Sun Blade is a tool that stands out with its high-efficiency drilling capabilities. Its unique Sun Blade design distinguishes it from similar ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3877. Wear-Resistant Sun Drill Bit for Fast Drilling [Feb 03, 2026]
[Feb 03, 2026] Quick Drill Bit with Sun Pieces for Rapid Drilling Tasks The Rapid Drill Bit-Sun Blade is a tool that stands out with its high-efficiency drilling capabilities. Its unique Sun Blade design distinguishes it from similar ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3878. Durable Ntw 76.5 Drill Bit Made of Imported Material [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 imported material The single tooth structure can increase the friction with the stratum, avoid the drill bit slipping, disperse the cutting pressure, and improve the drilling efficiency and stability in the ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3879. Industrial-Strength Ntw 77 Imported Material Drill Bit for Prospecting [Jan 29, 2026]
[Jan 29, 2026] NTW 77 imported material This tool is specifically engineered for ultra-hard, low-abrasion formations such as fine-grained granite, quartzite, siliceous rock, and basalt. Its drill bit exhibits exceptional wear ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3880. Ntw 77 Imported Material Drill Bit for Oil & Gas Exploration [Jan 29, 2026]
[Jan 29, 2026] NTW 77 imported material This tool is specifically engineered for ultra-hard, low-abrasion formations such as fine-grained granite, quartzite, siliceous rock, and basalt. Its drill bit exhibits exceptional wear ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3881. Ntw 77 Imported Raw Material Drill Bit for Construction Drilling [Jan 29, 2026]
[Jan 29, 2026] NTW 77 imported material The Z-series wide-spectrum imported drill bits feature three tooth profiles: concentric circle layered, dot-plane grinding, and gear layered, each with four different body hardness grades. The ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3882. Rugged Ntw 77 Imported Material Core Drill Bit [Jan 29, 2026]
[Jan 29, 2026] NTW 77 imported material The Z-series wide-spectrum imported drill bits feature three tooth profiles: concentric circle layered, dot-plane grinding, and gear layered, each with four different body hardness grades. The ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3883. High-Performance Ntw 76.5 Imported Material Drill Bit [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 imported material The Z-series wide-spectrum imported drill bits feature three tooth profiles: concentric circle layered, dot-plane grinding, and gear layered, each with four different body hardness grades. The ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3884. Ntw 76.5 Imported Material Drill Bit for Geological Prospecting [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 imported material The Z-series wide-spectrum imported drill bits feature three tooth profiles: concentric circle layered, dot-plane grinding, and gear layered, each with four different body hardness grades. The ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
3885. Ntw 77 Drill Bit with Imported Materials [Jan 29, 2026]
[Jan 29, 2026] NTW 77 imported material NTW 77 imported material.The K-series imported drill bits feature a uniform tooth profile (concentric layered design) with four varying core hardness levels. These high-speed drill bits are ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
