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Diamond Core Drill Bit for Stone

Diamond core drill bits for stone are widely used for drilling granite, marble and other type of stones. We offer a variety of diamond core drill bits for your needs. Diamond core drill bits including laser welded core bits, electroplated core bits, vacuum brazed core bits, silver welded core bits, and etc. M14, 5/8”-11, and straight thread are available for testing. There are wet type and dry type of core drills.

Features:

Different diameter can be customized

M14, 5/8”-11, and straight thread

Aggressive drilling and long life

Application:

Used for drilling tile, glass, granite slab, marble slab on hand held drill and drilling machine

Specification:

Outer Diameter	Core-Bit’s Length (mm)	Dimension of Tooth (mm)
mm		Length	Height	Thickness
5	100/80		8/10	5
6	100/80		8/10	6
7	100/80		8/10	7
8	100/80		8/10	8
10	100/80		8/10	10
12	100/80		8/10	12
15	100/80		8/10	15
25	80/130	18.5	8	2.5
28	80/130	18.5	8	2.5
30	80/130	17	8	2.5
32	80/130	17	8	2.5
35	80/130	21	8	2.5
40	80/130	19	8	2.5
45	80/130	18	8	2.5
50	80/130	20	8	2.5
55	80/130	21	8	3
60	80/130	21	8	3
70	80/130	23.8	8	3
80	80/130	23	8	3
85	80/130	23	8	3