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Quick Details

Place of Origin: China (Mainland)
Material: 304 stainless steel/carbon steel/brass
Color: Original,Black,Red,Golden
Plating: zinc plated/yellow chromated
Standard: UNC/UNF/UN/Metric/Imperial

Specifications

Self tapping inserts are cylindrical metal bushings with internal and external threads and are specially designed 

to cut their own threads as they are being driven into a drilled hole.


Features:

1. Self tapping

2. no pre-tapping required

3. Very high pull-out resistance

4. Highly resistant to vibration, can withstand vibration without loosening

5.Produces high quality, permanent,wear-resistant threads

6. Unlimited thread re-usability

7. Protects expensive components from damage

8. Easy to install, standard taps can be used

9. Wide variety of styles to fit almost every application

 

Technical parameter:(commonly used)

 

308
self-tapping
wlth cutting bores
Length
(mm)
External
thread
The reference hole diamter Minimum
borehole depth
(mm)
Aluminium
alloy 
Cast iron
products
M3-0.5 6 M5-0.6 4.6-4.7 4.7-4.8 8
M4-0.7 8 M6.5-0.8 6.0-6.1 6.1-6.2 10
M5-0.8 10 M8-1.0 7.4-7.5 7.6-7.7 13
M6-1.0 12 M10-1.25 9.3-9.4 9.5-9.6 15
M8-1.25 14 M12-1.5 11.1-11.3 11.3-11.5 18
M10-1.5 18 M14-1.5 13.1-13.3 13.3-13.5 22
M12-1.75 22 M16-1.75 15.0-15.3 15.3-15.5 26
M14-2.0 24 M18-2.0 17.0-17.2 17.3-17.5 28
M16-2.0 24 M20-2.0 19.0-19.2 19.3-19.5 27

 

Installation process:

 Drilling→Tapping→Installing→Breaking off tang

Tools:

 1.Drill: used for drilling the base holes

 2. taps: used for the processing special internal thread of the base holes. 

 3.Installation tools: put sets into the threaded hole.

 4.Break-off tools: break off the tang of thread insert.

 5.Extraction tools: used for removing the damaged thread insert from the threaded hole.