High Quality Diamond Core Drill Bits for Hard Rock

  Product Description Description of Diamond Core Drill Bits : 1.We produce and export vacuum brazed diamond drilling bits (also call brazed diamond core drill),  this kind of vacuum brazed diamond drill bit is mainly used to drill granite,marble,concrete and wall. With years of research and application of drilling bit and the world-advanced technology of diamond brazing, this jagged drilling bit adopts the patent technology, It is with very free drilling,high efficiency,excellence and long drilling life.   2. Features of Vacuum Brazed Diamond drill bit :  Integral type provide smooth cutting and avoid segments loosing.  High quality diamond guarantee sharpness and life.   3.Application of Vacuum Brazed Diamond drill bit :  Cured reinforced concrete, Hard ceramic tile, granite   4.Specification of Vacuum Brazed Diamond drill bit : Vacuum brazed diamond core drill for stone, granite, ceramic and other hard materials. Diameters: 5~120mm Diamond Width: 5mm Diamond grit: 30/40#, 40/50#, 50/60# Special application and design are available upon request Other specifications are available upon clients' request.   5.Advantage of vacuum brazed tools: 1) For stone, concrete, brick, tile, glass, fiberglass, etc 2) Perfect safety, excellent fast, high efficiency and complicated shape 3) Rather longer life than the electroplated tools. 4) Various diamond grain and grade to meet various application-cutting, drilling, grinding. 5) Environment friendly   1.We produce and export vacuum brazed diamond drilling bits (also call brazed diamond core drill),  this kind of vacuum brazed diamond drill bit is mainly used to drill granite,marble,concrete and wall. With years of research and application of drilling bit and the world-advanced technology of diamond brazing, this jagged drilling bit adopts the patent technology, It is with very free drilling,high efficiency,excellence and long drilling life.   2. Features of Vacuum Brazed Diamond drill bit :  Integral type provide smooth cutting and avoid segments loosing.  High quality diamond guarantee sharpness and life.   3.Application of Vacuum Brazed Diamond drill bit :  Cured reinforced concrete, Hard ceramic tile, granite   4.Specification of Vacuum Brazed Diamond drill bit : Vacuum brazed diamond core drill for stone, granite, ceramic and other hard materials. Diameters: 5~120mm Diamond Width: 5mm Diamond grit: 30/40#, 40/50#, 50/60# Special application and design are available upon request Other specifications are available upon clients' request.   5.Advantage of vacuum brazed tools: 1) For stone, concrete, brick, tile, glass, fiberglass, etc 2) Perfect safety, excellent fast, high efficiency and complicated shape 3) Rather longer life than the electroplated tools. 4) Various diamond grain and grade to meet various application-cutting, drilling, grinding. 5) Environment friendly    

Diameter (D)		Max Coring Depth(C)	Overall Length(L)	Connecting	Item Number
Metric(mm)	Inches	mm	mm
51	2”	450	500	1-1/4”UNS	DM1013-51
58	2-1/4”	450	500	1-1/4”UNS	DM1013-58
63	2-1/2”	450	500	1-1/4”UNS	DM1013-63
70	2-3/4”	450	500	1-1/4”UNS	DM1013-70
78	3”	450	500	1-1/4”UNS	DM1013-78
83	3-1/4”	450	500	1-1/4”UNS	DM1013-83
89	3-1/2”	450	500	1-1/4”UNS	DM1013-89
102	4”	450	500	1-1/4”UNS	DM1013-102
112	4-1/4”	450	500	1-1/4”UNS	DM1013-112
121	4-3/4”	450	500	1-1/4”UNS	DM1013-121
127	5”	450	500	1-1/4”UNS	DM1013-127
132	5-1/4”	450	500	1-1/4”UNS	DM1013-132
140	5-1/2”	450	500	1-1/4”UNS	DM1013-140
152	6”	450	500	1-1/4”UNS	DM1013-152
159	6-1/4”	450	500	1-1/4”UNS	DM1013-159
165	6-1/2”	450	500	1-1/4”UNS	DM1013-165
182	7”	450	500	1-1/4”UNS	DM1013-182
205	8”	450	500	1-1/4”UNS	DM1013-205
230	9”	450	500	1-1/4”UNS	DM1013-230
255	10”	450	500	1-1/4”UNS	DM1013-255
300	12”	450	500	1-1/4”UNS	DM1013-300

    Pictures of Diamond Core Drill Bits :             Packaging & Shipping         Our Services         Company Information   Danyang Daming Import & Export Co., Ltd. is one of the professional saw blades and drill bits suppliers in China. We specialize in all kinds of tools such as HSS twist drill bits, electric hammer drill bits, masonry drill bits, wood working drill bits, HSS hole saws, HSS taps, TCT saw blades, diamond saw blades, diamond core drills and some other power tool accessories and parts. We are located in Danyang City, Jiangsu Province, China, which provides easy access to air, water and land transportation.  Based on rich experience, advanced technology and professional skill, our products always can maintain the first rate quality as well as competitive prices. In recent years, our products have sold well in domestic and foreign markets, well received by customers in America, Europe, the Middle East, Indonesia and other countries and regions.           diamond core drilling bits