Concrete Drill Bit

Model NO.: 30

Trademark: black tools

Specification: 18

Origin: China

HS Code: 82075090

Drill bits of four pit electric hammer,drill bits of long hexagon electric hammer, drill bits of electric hammer
explain:
1, Using high-quality 40cr steel and YG8C cemented carbide as raw materials welded together.After high temperature quenching and surface treatment.Making the product from the appearance and use compare with general carbon steel drill bits, more perfect, more durable.
2,drill bits no blade,with an angle of 120 Â°alloy chisel,rely on hammering objects drilling holes,rotate and discharge the powder and debris
3,Â Can be used with a variety of hammer machines,is the best choice for drilling for decoration, installation industry.Suitable to high hardness, brittle objects,like concrete, brick walls, stones, granite and other hard crisp objects.
Notice:in the process of drilling concrete, is strictly prohibited to touch steel,to avoid alloying fragment

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concrete drill bit
No.	specification	package
1	Ï†18	1pcs
2	Ï†20	1pcs
3	Ï†22	1pcs
4	Ï†25	1pcs
5	Ï†27	1pcs
6	Ï†30	1pcs
7	Ï†32	1pcs
8	Ï†36	1pcs
9	Ï†38	1pcs
10	Ï†40	1pcs
11	Ï†44	1pcs
12	Ï†46	1pcs
13	Ï†51	1pcs
14	Ï†56	1pcs
15	Ï†63	1pcs
16	Ï†66	1pcs
17	Ï†71	1pcs
18	Ï†76	1pcs
19	Ï†83	1pcs
20	Ï†89	1pcs
21	Ï†96	1pcs
22	Ï†102	1pcs
23	Ï†108	1pcs
24	Ï†112	1pcs
25	Ï†116	1pcs
26	Ï†120	1pcs
27	Ï†127	1pcs
28	Ï†132	1pcs
29	Ï†140	1pcs
30	Ï†152	1pcs
31	Ï†159	1pcs
32	Ï†162	1pcs
33	Ï†168	1pcs
34	Ï†180	1pcs
35	Ï†200	1pcs
36	Ï†220	1pcs
37	Ï†230	1pcs
38	Ï†245	1pcs
39	Ï†254	1pcs
40	Ï†300	1pcs
41	Ï†350	1pcs

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