Cheap shaft pulley, Buy Quality shaft grinder directly from China bits Suppliers: 12'' inch NCCTEC Core Bit shaft Extension | 300mm core drill bits extension shaft | for drilling deep hole thick wallAvailability:In stock Add to cart Add to Wishlist
12\'\' inch Core Bit shaft Extension | 300mm core drill bits extension shaft | for drilling deep hole thick wall.
the inner shaft has water flow trough.
diameter requirement of your core bits : when the diameter of your core bits is more than 28mm 1.1\'\', then you can use this extension shaft to connect.
you can connect several extension shafts for a long length.
when you found the normal core bits are not long enough to drill, please use the extension shaft to increase the length, it is suitable for 90% drill machine on the market.
information of our core bits:
Speed :0.82cm per minute.
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.
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.
Tags: shaft pulley, shaft grinder, bits, Cheap shaft pulley, High Quality shaft grinder, China bits Suppliers.
|Package Weight||3.0kg (6.61lb.)|
|Package Size||32cm x 3cm x 3cm (12.60in x 1.18in x 1.18in)|
|Material||High Carbon Steel|
|Type||Core Drill Bit|