Heng Yi Jia Group Limited

Application:

Stainless steel self tapping threaded inserts is a self-tapping type threaded insert with slotted or perforated, in which slotted self-tapping threaded inserts is recommended for most applications. In some materials, this type of screw provides the perfect specific thread locking effect. If not, it is generally recommended to use the 307/308 model, which makes a significant breakthrough in material cutting difficulties. This product not only has a very thick wall, there are three cutting ability of the round hole scattered in the wall,307/308 product is especially suitable for the material thickness is not too rich.

308 type three hole

Internal thread

Length（mm）

External thread

Refer Hole Diameter (mm)

Minimum Hole Depth

aluminium alloy

Cast Iron

M3*0.5

6

M5*0.6

4.6-4.7

4.7-4.8

6

M4*0.7

8

M6.5*0.8

6.0-6.1

6.1-6.2

8

M5*0.8

10

M8*1.0

7.4-7.5

7.6-7.7

9

M6*1.0

12

M10*1.25

9.3-9.4

9.5-9.6

10

M8*1.25

14

M12*1.5

11.1-11.3

11.3-11.5

11

M10*1.5

18

M14*1.5

13.1-13.3

13.3-13.5

13

M12*1.75

22

M16*1.75

15.0-15.5

15.3-15.5

15

M14*2.0

24

M18*2.0

17.0-17.2

17.3-17.5

17

M16*2.0

24

M20*2.0

19.0-19.2

19.3-19.5

17