4pcs M14 50mm Vacuum Brazed Diamond Tools Drill Bit Minimal Chipping

4pcs Mixed Dry Porcelain Vacuum Brazed Diamond Drilling Core Bits Sets with M14 thread

We produce and export vacuum brazed diamond core drilling bits (also call brazed diamond core drill), this kind of vacuum brazed diamond drill bit is mainly used to drill granite, marble, concrete, and wall.

With years of research and application of drilling bit and the world-advanced technology of diamond brazing, this jagged drilling bit adopts the patent technology, it is with very free drilling, high efficiency, excellence, and long drilling life.

Application:

Vacuum Brazed Diamond Drill Bit. Designed for professional contractors who demand the very fast drilling all kinds of ceramic, porcelain, stone materials.  Capable of drilling clean hole. Dry drilling without the need for coolant. Dry Drilling is better for your drilling.

Outer Diameter:

20mm, 30mm, 40mm, 50mm, 68mm

Advantages of core drill bit:

1. High efficiency, long lifespan, and fast milling speed.
2. Perfect balance with zero vibration and stable performance.
3. Smoother milling without stone edge damage.

FAQS

1) Does your company accept OEM?
We accept OEM orders for all products, as well as buyers' logos.

2) Quality Control?
Each product is strictly checked by of QC dept. We have completed file data in our computer which listed the whole processing of each order. Once the quality of sample order confirmed by clients, we will keep the same formula in the following orders. 15years producing experience, we will bring the most suitable products based on different markets.

3) Shipping Methods?
Air Freight when gross weight is above 45kg and less than 100kg. Fast delivery
Sea Freight when the gross weight is above 100kg. Cheaper freight charge.
Courier (TNT, DHL, FedEx, Ups, etc). Small sample order, door to door service.

4) Minimum Order and Delivery?
Minimum order: negotiable.
Delivery: 15days. Based on the quantity per order.