Air Drills

35mm Vacuum Brazed Tile Hole Drill Bits Diamond Hole Saws Diamond Hole Bits are made with high-quality diamond grain and High-strength steel,which could largely not only provide fast and smooth drilling, but also extend its service life. Company profile ZhongZuan Tools is a professional manufacturer of drill bit, hole saw and diamond tools with 26-year industrial experience.We provide you with a ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Electroplated Diamond Stone Hole Saw Bit Diamond Hole Saw For Drilling Stone 1. High-quality diamond and carbon steel raw materials as well as matured electroplating technology provide excellent cutting strength for high-precision, smooth cuts without hemming for maximum drilling results 2. This diamond coated bit can remove a full circle from glass,ceramic,porcelain,porcelain tile,slate,marble... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

6-Piece Set M14 Brazed Diamond Hole Saws For Drilling Glass 1. Sharp edge: The opening hole will be round and cut fast. 2. The cut-out design is larger which reduce the resistance when it works. 3. High-quality thread design makes it easily to install and remove, meanwhile it will allow it to be held more tightly when work. 4. Select high-quality diamond raw materials and drill fast and stably. 5. ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Diamond Tip Hole Saw Bit Diamond Hole Saws For Drilling Marble 1. 【EXTREME HARD 】These diamond drill bits are made of industrial premium steel with 100% diamond. A thicken diamond coating on the tops offers superior cutting strength for maximum drilling outcomes. 2. 【EXTRAORDINARY SHARP】Each diamond hole saw has a smooth and exact finish that lower the incision resistance and drill pressure, ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

M14 Vacuum Thread Shank Tile Hole Cutter Set Diamond Hole Saws 1. High Quality:This Diamond Hole Bit is made of high quality diamond material with high hardness and durability, which is not easy to be damaged, is well-made and has high quality, and has a long service life. 2. Good Performance:The Brazing Bit has a larger design of row cut, which reduces the resistance when opening holes, and has ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Orange M14 Brazing Diamond Hole Saws For Drilling Glass​ 1. The blade is made of high quality diamond material, which is of sharpness and durable 2. Applicable to marble, concrete, artificial stone, etc., possess wide scope of application 3. Oval chip drain hole designs is efficient and the cutting resistance is small, which is more conducive to chip discharge 4. Diamond brazing drill is suitable ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

20mm M14 Vacuum Brazed Masonry 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, and all-ceramic tiles. Sharp and wear-resistant, smooth cut. It adopts M14 spiral pattern design, which is easier to fix. It can be used for both dry and wet, easy to ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Diamond Hole Saw Drill Bits Diamond Hole Saws For Glass Drilling 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 extend the service life of the hole opener! 3. Please use a slow gear to drill at a constant speed when using it! 4. This product is ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

6-13 mm Metric Hss Cone Step Cutter Drill Bit Step drill, also known as step drill bit or pagoda drill, is mainly used for drilling thin steel plates within 3mm. One drill bit can be used instead of multiple drill bits. Holes with different diameters can be processed according to the needs, and the large holes can be processed at one time without changing the drill bit and drilling the positioning ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Imperial TIN Coated Hss Spiral Fluted Step Drill Bit For Wood Drilling Step cone drill, also known as step drill bit or pagoda drill, is mainly used for drilling thin steel plates within 3mm. One drill bit can be used instead of multiple drill bits. Holes with different diameters can be processed according to the needs, and the large holes can be processed at one time without changing the drill ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Customized M42 Triangle handle Cobalt Hole Step Down Cone Drill Bit M42 Co Hole step cone drill, also known as step drill bit or pagoda drill, is mainly used for drilling thin steel plates within 3mm. One drill bit can be used instead of multiple drill bits. Holes with different diameters can be processed according to the needs, and the large holes can be processed at one time without changing the ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

35mm Multi Straight Groove Twist Step Up Cone Drill Bits For Wood drilling Multi step up drill, also known as step drill bit or pagoda drill, is mainly used for drilling thin steel plates within 3mm. One drill bit can be used instead of multiple drill bits. Holes with different diameters can be processed according to the needs, and the large holes can be processed at one time without changing the ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

3 PCS Step Bit Set Pagoda Step Cone Drill Bits 1. Zhongzuan step drill has high precision, durability, fast drilling, long life, complete specifications, complete specifications, high temperature resistance, and quality assurance 2. Sharp and no burrs, spiral angle chip removal more smoothly 3. One drill has multiple uses to meet different tasks. Stepped structure, with multiple drill bits of ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

High Speed Steel Short Shank Twist Drill Bits For 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 shake,suitable for cutting hard metals, such as stainless steel, cast iron, super alloys, titanium alloys, hard plastics and wood 2. M35 cobalt drill bit ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Metric HSS Step Bit Step Cone Drill Bit For Drill Steel Raw material as premium HSS materials and CBN full grinding craftwork. Tin coated surface makes it more sharp and efficient,extends its service life. Suitable for all kinds if metal working. Company profile 1. 26-year Industrial experience and covers area of 11700㎡ with 6 workshops 2. Procucts can be made as you required and OEM/ODM 3. Free ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

DIN340 Stainless Steel Twist Drill Spiralbohrer Twist Drill Bit 1. HSS materials made for capability and durability.The cutting edge is hardened and honed for sharpness,chatter-free design with staggered cutting teeth ensure the precise countersinking and hole smooth clean. 2. Flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

6Pcs Hss Titanium Step Drill Bit Set Step Cone Drill Bits For Plastic 1. One drill with multiple uses to meet different tasks. Stepped structure, with multiple drill bits of different specifications for one head 2. Fast cutting, smooth chip removal. Double spiral groove, sharp punching, reducing resistance, fast chip removal 3. Self-centering design, easy to locate: 118°X type opening design, ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

Oxidized Black Step Up Drill Bit Step Cone Drill Bit For Wood 1. HSS Tin-Coated - High speed steel along with titanium coating ensures outstanding durability and sharpness,also reduces the friction,runs cooler. 2. Meet Your Demands - With the step drill bits we offered,you can process different kinds of diameter holes,which greatly saves you a lot of trouble.Great for metal/wood/plastic countersun... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

M35 Cobalt Spiral Flute Step Drill Bit Step Cone Drill Bits 1. Zhongzuan step drill has high precision, durability, fast drilling, long life, complete specifications, complete specifications, high temperature resistance, and quality assurance 2. Sharp and no burrs, spiral angle chip removal more smoothly 3. Wire drawing process, wear-resistant split design. 118°X type opening to reduce drilling ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified

DIN340 Extra Long Twist Drill Bit For PVC Board Drilling 1. Premium material: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits.Durable and sharp 2. Twist design: Precise 135° split point, gold oxide finish and round straight shanks.Prevent sliding, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly. 3. ... Zhongzuan (Chongqing ) Precision Tools Manufacturing Co., Ltd. Verified Supplierlicense Verified