TCHQ
Non-Customized
ISO9001,ISO14001
Other
Countersink Drill Bit
High Speed Steel
Metal Drilling
All-Ground
Better Endurance
Building and Industrial
PVC Plastic Tube
CHTOOLS
Single Packing with PVC Plastic Tube
Countersink
China
8207509000
Product Description

HSS Countersink Drill Bit for Drilling Holes
1. Selects of the super tough high-speed steel.
2. Supply three-edges and multi-edge, suit to the step drill of steel stock and the soft nature material.
3. Suitable for each kind of magnetic drilling machine and pistol drill to chamfer.
Type | Size | L |
TCHQ-304 | 3-12.4-56-90° | 8 |
TCHQ-305 | 3-16.5*60*90° | 10 |
TCHQ-306 | 3-20.5*63*90° | 10 |
TCHQ-307 | 3-25*67*90° | 10 |
TCHQ-308 | 3-31*71*90° | 12 |
TCHQ-309 | 3-40*100*90° | 16 |


processing technology which located near the beautiful Nanbei Lake. Since its founding 30 years ago,
the company has set up the mission of providing manufacturing industry with high efficiency & precision
cutting tools,consistently implement the innovative development strategy, deeply cultivate the productivity
of cutting tools and technology improvement.
Thirty years of accumulation, we are equipped with international leading R & D and testing equipment ,
established a production line for large number of professional CNC tools, become a high performance
CNC tool manufacturer combined with R & D, production and sales .With 30 years of efforts, the company
has more than 100 patents, leading the industry standards drafting of ANNULAR CUTTER, Internal cooling
replaceable inserts spade drill, Won the "national manufacturing industry individual champion demonstration
enterprise" and other honors, It has been closely cooperated with customers from more than 80 countries.
In the future, we will adhering to "the concept of innovative development, win-win cooperation", we carry
out the mission of "providing efficient precision cutting tools", continue to focus on the research of efficient
cutting technology, and strive to become a more reliable tool manufacturing brand of you.

