83mm*200mm short crown wet diamond drilling bits | 3.3'' concrete wall wet core bits | Professional engineering core drill

• Unit Type: piece
• Package Weight: 1.7kg (3.75lb.)
• Package Size: 50cm x 20cm x 20cm (19.69in x 7.87in x 7.87in)

Cheap drill bits for hardened steel, Buy Quality drilling equipment directly from China drill bit for screw Suppliers: 83mm*200mm short crown wet diamond drilling bits | 3.3'' concrete wall wet core bits | Professional engineering core drill

83mm*200mm short crown wet diamond drilling bits | 3.3\'\' concrete wall wet core bits | Professional engineering core drill.
 
 
 
 
Speed :0.82cm per minute.
Performance:
 
NCCTEC core bits select the high-quality diamond and alloy powder, professional reinforce the high standard fixture concrete, high-density reinforced concrete,brick design formula of high-density reinforced concrete, fast drilling speed, long life.
 
Rooftop tooth design.
 
good Concentricity.
 
guarantee small work swing and high precision drill.
 
Using the the German CNC laser welding equipment and technology to produce a world-class level products,head welding firm,not easy to drop tooth,fast drilling speed.
NCCTEC Integrated drill has affordable prices for concrete,drill the wall , has a good performance.
if the drill items containing fixture, it is recommended to use the separated structure drill,it has longer life and easier to replace the ncctec core drill head.