Jiangsu Profile
Product List
16981. Premium Rope Hole Expander for Drilling Operations 
[Feb 02, 2026]
[Feb 02, 2026] Rope hole expander The hole expander is a specialized tool used in drilling, geotechnical engineering, and mechanical processing. It is commonly referred to as a hole enlarger or reamer. Its primary function is to ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
16982. Premium K Series Precision Hole Expander [Feb 02, 2026]
[Feb 02, 2026] K Series Hole Expander The hole expander is a specialized tool used in drilling, geotechnical engineering, and mechanical processing. It is commonly referred to as a hole enlarger or reamer. Its primary function is to ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
16983. 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
16984. 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
16985. Engineering-Grade Ntw 77 Imported Raw Material Drill Tool [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
16986. 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
16987. Industrial Ntw 76.5 Drill Bit Adopting Imported Material [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 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
16988. Ntw 76.5 Imported Material for Geological Drill Bit [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 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
16989. Industrial-Grade Ntw 76.5 Imported Material [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 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
16990. Ntw 76.5 Imported Material Drilling Bit for Mining Exploration [Jan 29, 2026]
[Jan 29, 2026] NTW 76.5 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
16991. 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
16992. 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
16993. 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
16994. 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
16995. Ntw 76.5 Grade Imported Material for Drilling [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
