Jiangsu Profile
Product List
4591. K Series Hole Expander 
[Dec 04, 2025]
[Dec 04, 2025] 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
4592. Ntw 77 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4593. Ntw 77 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4594. Ntw 77 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4595. Ntw 77 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4596. Ntw 76.5 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4597. Ntw 76.5 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4598. Ntw 76.5 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4599. Ntw 76.5 Imported Material [Dec 01, 2025]
[Dec 01, 2025] 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
4600. Ntw 77 Imported Material [Dec 04, 2025]
[Dec 04, 2025] 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
4601. Ntw 76.5 Imported Material [Dec 04, 2025]
[Dec 04, 2025] 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
4602. Ntw76.5 Using Imported Materials [Nov 28, 2025]
[Nov 28, 2025] NTW76.5 using imported materials NTW76.5 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 ...
Company: Wuxi Tongda Geological Prospecting Machinery Factory
4603. Ntw76.5 (imported material) [Nov 28, 2025]
[Nov 28, 2025] NTW76.5 (imported material) NTW76.5 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
4604. Ntw 77 Imported Material [Dec 02, 2025]
[Dec 02, 2025] 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
4605. Ntw 77 Imported Material [Dec 02, 2025]
[Dec 02, 2025] 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
