We, KEENTOOL is one of the professional developers and manufacturers of diamond tools for the natural stone and civil engineering industries, with a wide range of services and turnkey solutions to achieve the best cost effective production requirements for our customers. KEENTOOL has built up a proven track record in continuously developing, marketing superior quality diamond tools for cutting, drilling and polishing of natural stone, concrete and all-around applications in the construction industry. We regularly supply the diamond tools- diamond wire, diamond core drill bits, diamond blade, grinding and polishing tools to professional distributors, contractors, craftsman and rental companies all over the world, especially to USA, United Kingdom, Sweden, Germany, France and Russia, South America and Southern Africa.Â
We produce a wide range of high quality core drill bits for all around construction applications, as well as the diamond impregnated core drill bits and PDC diamond core bits for the geological mine and water drilling applications, . Attached are some pictures and the latest price offers of our standard core drill bits for wet driling of reinforced concrete for your kind reference. Core drill bits with customized dimensions will also be available as per request from customers based on certain MOQ.
When order core drill bits, please kindly inform the followings:1). Diameter of the core drill
2). Specification of segments for core drill bits
3). The length of the core drill
4). The size and types of screw of joint
5). For what drilling use(granite, marble, concrete etc)
6). Other special requirements ( if any)
Technical Data:
| Diameter | Segment Dimensions | Segment nos. | Length | Thread | Remarks | |
| Inch | mm | |||||
| 1 | 25 | 16×3.3×10 | 3 | 350mm | 1-1/4"-7 UNC | Laser welding |
| 1 1/4 | 32 | 16×3.3×10 | 4 | 350mm | 1-1/4"-7 UNC | |
| 1 1/2 | 38 | 20x3.3x10 | 4 | 350mm | 1-1/4"-7 UNC | |
| 1 3/4 | 44 | 20x3.5x10 | 5 | 350mm | 1-1/4"-7 UNC | |
| 2 | 51 | 20x3.5x10 | 6 | 350mm | 1-1/4"-7 UNC | |
| 2 1/2 | 64 | 20x3.5x10 | 8 | 350mm | 1-1/4"-7 UNC | |
| 3 | 76 | 20x3.5x10 | 9 | 350mm | 1-1/4"-7 UNC | |
| 3 1/2 | 89 | 20x3.5x10 | 10 | 350mm | 1-1/4"-7 UNC | |
| 4 | 102 | 20x3.8x10 | 12 | 350mm | 1-1/4"-7 UNC | |
| 4 1/2 | 114 | 20x4.2x10 | 13 | 350mm | 1-1/4"-7 UNC | |
| 5 | 127 | 20x4.2x10 | 15 | 350mm | 1-1/4"-7 UNC | |
| 5 1/2 | 140 | 24x4.2x10 | 14 | 350mm | 1-1/4"-7 UNC | |
| 6 | 152 | 24x4.5x10 | 15 | 350mm | 1-1/4"-7 UNC | |
| 7 | 178 | 24x4.5x10 | 17 | 350mm | 1-1/4"-7 UNC | |
| 8 | 203 | 24x4.5x10 | 18 | 350mm | 1-1/4"-7 UNC | |
| 9 | 229 | 24x5x10 | 19 | 350mm | 1-1/4"-7 UNC | |
| 10 | 254 | 24x5x10 | 20 | 350mm | 1-1/4"-7 UNC | |
| 12 | 305 | 24x5.5x10 | 20 | 350mm | 1-1/4"-7 UNC | Silver welding |
| 14 | 356 | 24x5.5x10 | Â | Â | Â | |
Packaging: Carton with water proof plastic.
Delivery time: In 15 days after receipt of payment
Our Services:
1. Diamond Wire Cutting Operation Training and GuidanceÂ
2. Full Consulting Service and Turnkey Solutions for the Stone QuarryÂ
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Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
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