Jiangsu Profile
Product List
14431. 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
14432. Carbide Brazed Tip Drill Bits [Feb 02, 2026]
[Feb 02, 2026] our carbide tipped taper shank drill bits : 1) carbide tip chosen from super carbide. ideal for cutting cast iron. 2) shank we choose carbon stell , but alloy steel and high speed steel availble on request. 3) ...
14433. 15PCS 3-Points Wood Drill Bit Set Plastic Box [Jan 30, 2026]
[Jan 30, 2026] Product Name 15PCS 3-Points Wood Drill Bit Set Plastic Box Material Carbon steel Diameter 3/3/3/3.5/3.5/4/4/4.5/5/5.5/6/6.5/7/8/10mm Standard / Color Titanium Coated, bright finish, black oxide, rainbow, amber ...
Company: BEHAPPY CRAFTS (SUZHOU) CO., LTD.
14434. 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
14435. 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
14436. 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
14437. 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
14438. 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
14439. 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
14440. 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
14441. 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
14442. 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
14443. 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
14444. 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
14445. 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
