لقمة الحفر الأساسية ذات الفتحة الماسية النحاسية المفرغة من الماس للحفر الجاف للبورسلين الرخامي

ChinShine Dry vacuum brazed لقم الثقب اللبية الماسية are the best choice for ceramic, marble, glass, porcelain and granite.

The ChinShine vacuum brazed diamond core drill bit is clean, dry and free of debris. M14, 1 3/8'' and other thread types are available.

This is the best vacuum brazing diamond core bit, because it can be used in wet and dry, with minimal debris, even the dekton/sintered stone can be cut.

ChinShine vacuum brazed drill core bits are designed for drilling hard and brittle materials such as ceramics, porcelain, marble, granite, and stone. You can also drill holes, such as stoneware, glazed clinker, and hard roof tiles. ChinShine Dry Vacuum Brazed Core Bits allow a drilling depth of 2 1/2" (60mm) and a total length of 3 1/2" (90mm).

The ChinShine Dry vacuum brazed core drill bit can operate between 3,000-11,000 rpm and is suitable for all types of ceramics, porcelain, marble, and granite.
Vacuum brazing on the inside and outside of the barrel, and two 2 1/2" vacuum brazing on the outer barrel to obtain a full drilling depth.
This special Vacuum Brazed diamond technology allows simple, hands-free and clean drilling on angle grinders. The vacuum diamond coating can quickly drill extremely clean, chip-free holes.