Drill Bit

Brand Name:ZhongZuan

Place of Origin:Chongqing, China

70mm Sintered Diamond Drill Bit Hole Saw Cutter For Drilling Stucco Cement Porcelain The cutting edge of m10 shank sintered diamond hole cutter contains diamond particles from inside to outside to ensure that the edge is always sharp. Sintered diamond has ...

Brand Name:ZhongZuan

Place of Origin:Chongqing, China

100mm M22 Diamond Hole Cutter Drill Bit For Rock Reinforced Concrete High performance wet diamond core drill bits designed for drilling high PSI and reinforced concrete. Drilling speed and service life are greatly improved. Suitable for: High PSI concrete...

Brand Name:ZhongZuan

Model Number:G-14

Place of Origin:Chongqing,China

1/3'' shank Dry drill Granite Marble Diamond Core Drill Bits Diamond Hole Saws 1. Premium Diamond and 45# steel raw material: Vacuum brazing of fully high-quality diamond at high temperature quenching makes it more sharp on drilling. 2. Built-in cooling ...

Brand Name:ZhongZuan

Model Number:H-001

Place of Origin:Chongqing,China

22mm Electroplated Diamond Hole Saws For Cutting Glass 1. This hole opener has no center positioning. When using it, first touch the glass to open a crescent socket, and then place a drill to complete the hole! 2. Please add cooling water when using it to ...

Brand Name:ZhongZuan

Model Number:H-001

Place of Origin:Chongqing,China

Electroplated Diamond Ceramic Tile Hole Saw Bits Diamond Hole Saws 1. This hole opener has no center positioning. When using it, first touch the glass to open a crescent socket, and then place a drill to complete the hole! 2. Please add cooling water when ...

Brand Name:ZHONGZUAN

Place of Origin:Chongqing, China

1/3 Shank Brazing Glass Diamond Hole Saws With Cooling Wax Hole saws are also called hole saws, which refer to a special circular saw for cutting circular holes in modern industry or engineering. The hole saws have different apertures and specifications ...

Brand Name:ZhongZuan

Model Number:G-14

Place of Origin:Chongqing,China

1/3'' Hex Shank Wax Inlaid Diamond Hole Saw For Granite Marble Drilling 1. A grade diamond crystals for high performance ,and using special cutting structure, making the core bit works stably.It could be maintained higher drilling speed during the core ...

Brand Name:ZhongZuan

Model Number:H-001

Place of Origin:Chongqing,China

Electroplated Diamond Porcelain Hole Cutter Diamond Hole Saws With Center Drill​ 1. This hole opener has no center positioning. When using it, first touch the glass to open a crescent socket, and then place a drill to complete the hole! 2. Please add ...

Brand Name:ZhongZuan

Model Number:G-12

Place of Origin:Chongqing,China

Round Shank Ceramic Hole Cutter Diamond Hole Saws 1. This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer 2. Can be used with a standard electric drill(Excluding in this item) 3. Easy to use, high quality,...

Brand Name:ZhongZuan

Model Number:G-16

Place of Origin:Chongqing,China

35mm M14 Brazing Vitrified Tile Core Drill Bits Diamond Hole Saws 1. Vacuum Brazed:More Heavy Duty and Wear Resistant than electroplated diamond bit, provide very high efficiency,cuts faster,durable and sturdy 2. Special Design: U-Shape Chip Flutes at both...

Brand Name:ZhongZuan

Model Number:G-16

Place of Origin:Chongqing,China

ZhongZuan Granite Vacuum Brazed Diamond Dry Drilling Bits Core Bits With M14 Thread Shank 1. High quality brazed diamond drilling bits core bits can make you work more efficiently and more accurately. 2. The precisely machined barrel insures that each bit ...

Brand Name:ZHONGZUAN

Place of Origin:Chongqing, China

1/3 Shank Marble Diamond Hole Saws With Cooling Wax Hole saws are also called hole saws, which refer to a special circular saw for cutting circular holes in modern industry or engineering. The hole saws have different apertures and specifications according...

Brand Name:Zhongzuan

Place of Origin:China

1/4 Inch Shank Ceramic Tile Diamond Hole Cutter Set Diamond Hole Saws The M14 brazed diamond hole saw bit is made of heat-treated high-carbon steel material, which is suitable for drilling holes in hard materials such as marble, concrete, granite slabs...

Brand Name:Zhongzuan

Place of Origin:China

1/4'' Shank Brazing Diamond Glass Cutting Hole Saw Bits Hole Saws 1/4’’ hex-shank brazed diamond hole saws are made by vacuum brazed craftwork.Premium diamond raw materials help to stably and fast drill. They are mainly used to drill tile,marble and ...

Brand Name:ZhongZuan

Model Number:G-12

Place of Origin:Chongqing,China

Electroplated 100mm Diamond Hole Saw Glass Marble Hole Cutter 1. 【Glass Hole Saw】These diamond hole saws are made of industrial grade carbon steel with 100% pure diamond,base connecting with shank without welding. Fine workmanship and super wear-resistant...

Brand Name:ZhongZuan

Model Number:G-16

Place of Origin:Chongqing,China

3 Inch Diamond Hole Saw Dry Or Wet Cutting M14 Thread Shank For Glass Marble Cutting Vacuum Brazed technology makes the industrial diamond grains permanently brazed to the edge of steel core,creating an unbreakable and extremely heat resistant segments.You...

Brand Name:Zhongzuan

Place of Origin:China

Hex Shank Brazing Diamond Stone Drill Bits Diamond Hole Saws 1/4’’ hex-shank brazed diamond hole saws are made by vacuum brazed craftwork.Premium diamond raw materials help to stably and fast drill. They are mainly used to drill tile,marble and granite....

Brand Name:ZhongZuan

Model Number:G-12

Place of Origin:Chongqing,China

Electroplated Diamond Hole Saws For Ceramic Granite Drillin 1. Diamond drill bits are made of industrial-grade carbon steel with a nickel-plated coated body to resist corrosion. A thicken diamond coating on the tops offers superior cutting strength for ...

Brand Name:ZHONGZUAN

Model Number:H-001

Place of Origin:Chongqing,China

DIN338 M35 Cobalt Drill Bits Standard Twist Drill BitsFor Drilling Metal 1. HSS cobalt drill set is suitable for hardened steel and has excellent cutting performance. The blades are hardened and polished to improve sharpness,and precise cutting does not ...

Brand Name:ZhongZuan

Model Number:H-006

Place of Origin:Chongqing,China

M35 Cobalt Double Ended Twist Drill Bits For Drill Stainless Steel 1. Double head design: More cost-efficient and durable 2. 135' sharpening: Slowly feeding makes it more durable and easy to position. 3. Sprial chip flutes effectively prevent the ...