Product Description  Sunny High Quality Crown Segment for Core Drill Bits.  1.High efficiency, long life and no breaking of segments.   2.Sizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11.   3.Applicable for drilling of granite stone slab, tile, etc. 
4.Stable function and performance when drilling the granite stone slab, tile, etc. 

5. We have registered our own brand. Therefore we ensure the quality about the  Diamond Segments of Drill Bits we produce.

6. We provide the superior and professional sale service. 

7. We can also manufacture  Diamond Segments of Drill Bits according to customers' needs.   8. Applications: Kinds of granite or hard stone.   9.Our products export  to Brazil, India, Australia, USA, Ukraine, Italy, Poland, Russia. etc. more than 20 different countries.   advantage:
1. easy welding
2. totally flat face
3. not even tiny jumping when drilling
4. fixed segment gaps    the under is our core drill, segments (tips) for all of them are available. crown is available for Diameter 6 to 100mm.   More Specifications, for stone and concrete separately

Diamond Drill bit
Outer diameter		Working length		Segment height		Thread
inch	mm	inch	mm	inch	mm
0.24	6	1.97	50	0.39	10	G1/2", 5/8"-11
0.31	8	2.36	60
0.39	10
0.47	12
0.55	14
0.63	16
0.71	18
0.79	20

 

Diamond Core Drill
Out Diameter		Working Length		Segment Height
(mm)	(inch)	(mm)	(inch)	(mm)	(inch)
25	0.98	60	2.36	8	0.31
30	1.18	60	2.36	8	0.31
35	1.38	60	2.36	8	0.31
40	1.57	60	2.36	8	0.31
45	1.77	60	2.36	8	0.31
50	1.97	60	2.36	8	0.31
55	2.17	60	2.36	8	0.31
60	2.36	60	2.36	8	0.31
70	2.76	60	2.36	8	0.31
75	2.95	60	2.36	8	0.31
For drilling stones, concrete and brick walls, etc.

        Products Show   Company Information   Certifications   Payment & Shippment     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:   a. Urgent order with less weight or samples Sunny recommend express service.
b. Normal (regular) orders which weight over 45kgs Sunny recommend Air Cargo.
c. Big diameter saw blades or heavy weight Sunny recommend Sea Cargo. Know More Main Products 1. Cutting tools (diamond saw blades, diamond cutting segments & diamond wire saws). 2. Grinding and polishing tools (diamond calibrating rollers, diamond fickerts & Frankfurts,diamond profiling wheels, diamond polishing pads, etc). 3. Drilling tools (diamond finger bits & core drills).