high quality solid carbide drill bits for mining tools in Zhuzhou factory
USD $40 - $50 /Piece
Min.Order:100 Pieces
Zhuzhou Tongyi Industry Co., Ltd.
high quality solid carbide drill bits for mining tools in Zhuzhou factory
Usages:Stone Cutting, Drilling, Abrasive and Carving, Engineering Material, Optical Glass Cutting, Lab Use Super-thin Saw Blade, Semiconductor Cutting, Arts Cutting, Fire-Retardant, Porcelain, Plastics, Laminate Plate
Recommended grade: YG8C, YG11C, YK20, YK25 and so on
We can make suggestions of suitable grades for customers’ usage.
Types:Q0610.Q0812,Q0914.Q1221.Q1320.Q1422,Q2132,Z0812,Z0913,Z1016,Z1219,Z1424,Z1117C,Z1118A with standard sizes and so on
We can meet per customer’s requirements,according to the drawings or pictures you offer.
Advantages of our company:
1.With more than 12 years production experience
2.100% raw material and recycle material
3.Hardness, toughness, wear resistance, durability
4.Strict quality control and assurance system
5.Reasonable price
6.OEM&ODM service
7.ISO9001: 2008 certificate
8.Feedback within 24 hours
9.100% inspected before shipment
10.Fast delivery
Advantage in production
1.Well equipped with the advanced hard-alloy production machines in China.
2.Well-established technical quality control system.
3.Capable of technique exploration and products innovation.
Grade and corresponding performance
Grade | Equal to ISO Category Number | Performance | usages | ||
Density | Bend Strength | Hardness | |||
G/Cm3 | N/mm2 | HRA | |||
YK25 | K40 | 14-.3-14.6 | ≥ 2100 | ≥ 86.5 | Qualified for molding the drills for heavy-duty rock drill, detachable bits used for deep hole drilling, rock drill trolley, etc. |
YG8C | K20 | 14.7-14.8 | > 2200 | > 88.5 | |
YG11C | K40 | 14.0--14.4 | ≥ 2060 | ≥ 86.0 | |
YG15 | K40 | 13.9-14.1 | ≥ 2020 | ≥ 86.5 | Qualified for hard rock drilling, steel bars with high compression ratios, pipe drawing, punching tools, core cabinet of powder metallurgy automatic molders, etc. |
YG6 | K20 | 14.7-15.1 | ≥1670 | ≥89.5 | Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc. |
YG8 | K20-K30 | 14.6-14.9 | ≥1840 | ≥89 | Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts. |
YG20 |
| 13.4-14.8 | ≥ 2480 | ≥ 83.5 | Qualified for making dies with low impact such as punching watch parts, battery shells, small screw caps, etc. |
YG20C |
| 13.4-14.8 | ≥ 2480 | ≥ 82.5 | Qualified for making moulds of cold heading, cold stamping and cold pressing used for manufacturing standard parts, bearings, etc. |
Company View
Zhuzhou Tongyi Industrial Co.,Ltd is located in the beautiful and convenient Jinshan industrial zone of Zhuzhou,a key transportation center and medium-sized city heavy industry in Hunan province.
Production Equipment
Testing Equipment
our company is well equipped with the high-level domestic machines for production and inspection.The company has invited famous cemented carbide experts in China as professional consultants and introduced multitudes of specialized talents.Currently,we can already customize the non-standard orders of special material and specification.Besides,the company has passed the ISO9001:2008 international quality system authentication.
Production Operation
Company Certification
CertificateISO9001:2008
Corporate Clients
We provide high efficiency service during customs clearance and after shipping
If you have other requirements on document please inform us before making order
If you have any others question ,pls contact us and we will give you prompt response
If you are interested it, pls kindly contact us! Thank u!