No.5 Integrated Steel Hole Opener Set 10 PCS for Ceramic Glass Porcelain Marble
10pcs(8,10,12,14,16,18,20,22,25,50)
About this item

• Good Material: Hole saw set are made of carbon steel and coated with nickel to resist corrosion. Diamond hole saw creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
• Different Sizes: Diamond hole saws These diamond hole saw drill bit set contain different sizes of diamond bits to meet your different drilling needs and improve your work efficiency.
• Adjustable Drill Guide: No need to worry about scratching your tile when drilling the hole. Our Adjustable hole saw drilling guide with suction cup and 4 bearings will hole the diamond hole saw still during the process. From 6mm to 50mm all the hole saw bit can fit in this guide.The precise positioning system firmly clamps the hole saw to prevent slipping and damage to objects caused by improper operation.
• Hollow Cut Out: The large clearance holes on the diamond drill bit help water cool and flush swarf and other particles from the drill hole,ensuring smooth cut and speed up drilling. When debris gets stuck in the diamond hole saw,the clearance holes allow you to use the screwdriver to pry it out.
• Versatile: Diamond hole saw and guide set suitable for use on smooth surfaces such as tile, ceramic, glass (except tempered glass), marble, granite and terrazzo. to help you with home modification, wine bottle craft, glass or porcelain pot modification. No matter you are a DIYer or family handyman, this set is all you need. It will be your good helper.

Tianjin Hengsheng Technology Development Co., Ltd. was originally Tianjin Yuemingxin Technology Development Co., Ltd. The company was officially renamed in March 2023.
The company is an integrated set of industry and trade company, a wholly-owned enterprise
specializing in the research and development, production, wholesale and retail of DIY art and handicrafts. It is also an early domestic enterprise engaged in professional research and development and production of deep processing machines and related diamond tools for glass, stone, gemstone and other products. The company mainly produces various diamond tools and sells various diamond accessories and other products.

The main industries include: hardware tool processing, grinding and polishing electric tools, diamond tools, abrasive grinding tools, etc.

Our main products include: diamond tools and accessories, glass cutting tools, glass grinding and polishing tools, diamond band saw blades, diamond ring saws, diamond grinding tables, diamond grinding wheels, diamond drills, diamond tappers, electric edge grinding machines, diamond glass water mills, round hole cutting machines, tool consumables; High temperature microwave kiln series, DIY glass creative products, various hot melt glass and products.

1. How could we know the quality, if we want to order your products?
A1: We are professional manufacturer in supplying diamond tools over 30 years. Our diamond tools are in good quality and competitive in price. We suggest you make a trial order, then you will know the quality.
2. Can you offer free samples?
A2: We don't offer free samples, according to our many years experience, the clients cherish the products paid. But we are willing to give our potential customers a special discount which they are used to do a testing. 

3. Does your company accept custom-made?
A3: Surely, we accept it. Including different size, package etc. And We also can mark your own logo and brand on the goods.

4. What we should do if your products can not run well? 
A4: Please contact us and let us know the details, we will help you find out the problems and deal with it. If it is proved that the problem is caused by the product quality, we will make compensation for clients or replacement will be done immediately.
5: Wonder if you accept small orders?
A5: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.

6: Can you send products to my country?
A6: Sure, we can. If you do not have your own ship forwarder, we can help you.

7: Can you do OEM for me?
A7: We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP.

8: How long is your production lead time?
A8:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.

9: When can I get the quotation ?
A9: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation. Please call us or tell us in your mail, so that we could regard your inquiry priority.