Brief induction:

1.?Raw material: It is produced by premium alloy steel bar and tungsten carbides ?with heat treatment

2.Body & button shape: Normal and retract type;ballistic and spherical

3. Face shape: General flat and drop-center

4.Thread type: R22,R25,R28,R32,R38,T38,T45,T51,ST58,ST68,GT60

5. Diameter: 32mm-127mm

6. Color: Blue,golden,orange

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Our thread bit advantages:?

1,high quality: we are known as chinese top 3 drill bits factory
2,competitive price: cheap price because of direct factory price
3,problems solve ability: this ability comes from rich experience of drill bits industry
4, fast delivery time: usually it takes 25 days for production. only 2 or 3 days if we have stock of your request size.
5,best quality control: we have our own experienced QC team,there will be strict inspection and testing for every order before shipping out.
6, OEM,ODM service : your own request about product will be served well
7,best after serviec: we will go to your place to check and solve the problems if there