long lifespan dry diamond core drill bits for concrete Product Description
Function:    Drill holes in concrete as well as in brick wall drilling Composition: Made up of seamless steel tube sintered high quality segments.specialformula for concrete( concrete mixture with steel)   Features:   1. Fast drilling speed   2. Different connection end for different drilling machine.  3. Long lifespan  4. Welding firm   Specifications:  

Bit Diameter	Bit Segment Width	Bit Segment Height
1'/25mm	2.0mm	8mm
1-1/8' /28mm	2.0mm	8mm
1-1/4' /32mm	2.0mm	8mm
1-3/8' /36mm	3.0mm	8mm
1-1/2' /38mm	3.0mm	8mm
1-3/4' /44mm	3.0mm	8mm
2' /51mm	3.0mm	8mm
3' /76mm	3.5mm	8mm
3-1/2' /89mm	3.5mm	8mm
4' /102mm	3.5mm	8/10mm
4-1/2' /115mm	3.5mm	8/10mm
5' /127mm	3.5mm	8/10mm
6' /152mm	4.0mm	8/10mm
7' /180mm	4.0mm	8/10mm
8' /202mm	4.0mm	8/10mm
9' /230mm	4.0mm	8/10mm
10' /250mm	5.0mm	8/10mm
12' /300mm	5.0mm	8/10mm

 

Ourter DIA	Inner Dia	Segment
	mm	pc
φ25	21	3
φ28	24	3
φ30	26	3
φ32	28	3
φ35	31	3
φ38	34	4
φ40	36	4
φ45	41	4
φ50	46	5
φ55	51	5
φ60	56	5
φ65	61	6
φ70	66	6
φ75	71	7
φ80	76	7
φ90	86	8
φ100	96	9
φ108	104	9
φ110	106	9
φ112	108	9
φ118	114	10
φ120	116	10
φ125	121	11
φ130	126	11
φ135	130	11
φ140	135	12
φ145	140	12
φ150	145	12
φ160	155	12
φ170	165	12
φ180	176	13
φ190	185	13
φ200	195	15
φ210	204	16
φ248	242	16
φ298	292	17
φ348	342	20
φ398	392	28
φ449	442	32
φ498	492	35
φ548	542	38
φ598	592	42

    Advantages     1.Good cutting result: smooth cutting, flat surface and even size. 2.Stable cutting, narrow cutting gap, stone waste reduction. 3.Ideal for Hard Materials for general purpose cut. 4.Reasonable price and excellent service. 5.We have strict quality control system, to ensure quality stable. 6.Diamond saw blades suitable for fast, free, smooth cutting. 7.Reduce cutting friction a lot, improve slab flatness, save energy. 8.Quality: 95% of Italy Quality And 30% Of Italy Price .         shipping and payment    company mangermant    Company profile We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators .