Jiangsu Profile
Product List
22411. Fast Drilling Diamond Core Drill Bit Drilling for Concrete 
[Feb 15, 2022]
[Feb 15, 2022] High Performance Wet Core Bit for Hard / Reinforced Concrete High performance wet core bits engineered to drill high PSI concrete and reinforced concrete. Both drilling speed and lifetime have been vastly increased. ...
Company: DONGYAN INTERNATIONAL CO., LTD.
22412. Premium Diamond Core Drill Bit for Reinforced Concrete Manufacturer [Feb 15, 2022]
[Feb 15, 2022] 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.
22413. Vacuum Brazed Diamond Core Drill Bit for Drilling [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
22414. Good Performance Vacuum Brazed Diamond Core Drill Bit for Drilling Tile [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
22415. Good Quality Diamond Core Rock Drill Bits Manufacturer [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
22416. M14 Vacuum Brazed Diamond Core Drill Bit for Granite Marble Concrete Porcelain Tile Glass Stone [Feb 15, 2022]
[Feb 15, 2022] Vacumm Brazed Diamond core drill bit Main Advantages: Vacuum brazed core bit for extremely hard ceramic tiles. Quick start and drilling fast, High speed and long life. 1.Dry & Wet drilling porcelain tile, ...
Company: DONGYAN INTERNATIONAL CO., LTD.
22417. Reduced Shank Drill Bits Milled [Jan 01, 2022]
[Jan 01, 2022] We supply high quality reduced shank drill bits made from high speed steel M2. Surface: White finish, black finish, oxide, tin coating. Point angle: 118 or 135 degree. All are 6" long and featheure a 1/2 ...
22418. Drill Bits with Reduced Shank [Jan 01, 2022]
[Jan 01, 2022] We supply high quality reduced shank drill bits made from high speed steel M2. Surface: White finish, black finish, oxide, tin coating. Point angle: 118 or 135 degree. All are 6" long and featheure a 1/2 ...
22419. Ntw76.5 (imported material) [Dec 13, 2025]
[Dec 13, 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
22420. Ntw76.5 Using Imported Materials [Dec 13, 2025]
[Dec 13, 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
22421. Ntw 76.5 Imported Material [Dec 13, 2025]
[Dec 13, 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
22422. Ntw 76.5 Imported Material [Dec 13, 2025]
[Dec 13, 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
22423. Ntw 76.5 Imported Material [Dec 13, 2025]
[Dec 13, 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
22424. Ntw 76.5 Imported Material [Dec 13, 2025]
[Dec 13, 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
22425. Ntw 77 Imported Material [Dec 13, 2025]
[Dec 13, 2025] 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
