Concrete Core Drill Bits Applications: Core bit intended for Concrete with light to moderate reinforcement, Masonry, Block and Brck, Use wet only.   Equipments: Handheld Core Drill and Core Drill Rig .    Features: For wet cuttng only.14'' tube length with individual segment height of 8mm/10mm. Specially formulated professional quality segments provide fast cutting and long life un a varity of materials including concrete, reforced concrete, Brick, Block and masonry. Full range of sizes for virtually any job.Use on core drilling machines and hand-held drills.   Testing result: We have test this core bit into a 12'' thickness test lab of 5000 psi cure concrete with four 5/8'' rebar placed in the line of a cut. An RPM of 800 was used during this test. The time to drill a hole that include the rebar was 5 minutes and 15 seconds. Without the rebar was 3 minutes and 45 seconds.   Technical Data

Outer Diameter	Width	Height	Length	Adaptor
(inch)	(mm)	(mm)	(mm)
2"	3.5	10	14"-18"	M14 M16 G1/2'' 5/8''-11 UNC1 1/4''-7
2.50"	3.5	10	14"-18"
2.75"	3.5	10	14"-18"
3"	3.5	10	14"-18"
3.25"	3.5	10	14"-18"
3.50"	3.5	10	14"-18"
4"	3.5	10	14"-18"
4.25"	3.5	10	14"-18"
5"	3.5	10	14"-18"
5.5"	3.5	10	14"-18"
6"	3.5	10	14"-18"
6.5"	3.5	10	14"-18"
7"	4.0	10	14"-18"
8"	4.0	10	14"-18"
9"	4.0	10	14"-18"
10"	4.0	10	14"-18"
12"	4.0	10	14"-18"
14"	4.0	10	14"-18"

   When order diamond 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)   ABOUT OUR PRODUCTS 1. Smooth cutting surface and high cutting efficiency. 2. Can reduce cutting friction a lot. 3. Easy operate and safe cutting.   Company Introduction We are the professional manufacturer for diamond tools. The main products are various diamond cutting blades, diamond grinding cup wheels, diamond core bits, diamond rollers and other diamond tools with special shape. We specialize in manufacturing diamond shaped tools that can be produced according to customer requirements. We can develop kinds of diamond tool parts to match machines for customers. The diamond tools specially used for stone, concrete, asphalt, porcelain, tiles, glass and other construction materials. Our products are exported to more than 60coutries, including America, Brazil, Italy, Russia, Ukraine, India, Egypt, and South Africa Etc   Real product show       Company Information                       PAYMENT   1. TT, western union, Money Gram and PayPal   2. 100% payment before delivery   3. To the Bulk order, the L/C is also can consider  
  SHIPPMENT   Delivery time:  Within a week after payment   Transport ways choose:   1. Urgent order with less weight or samples SUNNY recommend express service.
2. Normal (regular) orders which weight over 45kgs SUNNY recommend Air Cargo.
3. Big diameter saw blades or heavy weight SUNNY recommend Sea Cargo.

FOR MORE INFORMATION
For expert advice, regarding questions about our company or concerns SUNNY products   (diamond tools) please contact us through e-mail or link on: sunnytools.en.alibaba.com/company_profile.html