307/308 type three holes self-tapping threaded sleeve
Model Number: M2-M12
Name: Self-tapping inserts
Standard: UNC/UNF/UN/Metric/Imperial
Colour: Original, Black, Red, Golden
Type: Welding Parts
OEM: Yes
Method: Dry film processing
Material&plating:
Material: stainless steel, carbon steel, brass
Plating: zinc plated, yellow chromated
Features:
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.
Advantages:
No Pre- tapping required
Very high pull-out resistance
Unlimited thread re-usability
Easy to install, standard taps can be used
The wide variety of styles to fit almost every application
Category:
302 self-tapping with cutting slot
307/308 self-tapping with three cutting bores
Use OF
The stainless steel self-tapping screw sleeve has integral inner and outer teeth, which can be self-tapping.
After installation, it can be tightly combined with the base metal. It has a strong resistance to vibration and is extremely easy to install. It has no defect rate in several installations. The product should be used for a long time.
The automotive industry, the railcar industry, electronic products, engineering plastics, construction machinery, transmissions, home appliances, shipbuilding, etc., their quality is unanimously recognized.
Product details:（Unit:mm）
Model | Spec | Internal Thread d | External Thread D | L |
307 | M3-M5*4 | 3 | 5 | 4 |
M4-M6.5*6 | 4 | 6.5 | 6 | |
M5-M8*7 | 5 | 8 | 7 | |
M6-M10*8 | 6 | 10 | 8 | |
M8-M12*9 | 8 | 12 | 9 | |
M10-M14*10 | 10 | 14 | 10 | |
M12-M16*12 | 12 | 16 | 12 | |
308 | M3-M5*6 | 3 | 5 | 6 |
M4-M6.5*8 | 4 | 6.5 | 8 | |
M5-M8*10 | 5 | 8 | 10 | |
M6-M9*12 | 6 | 9 | 12 | |
M8-M12*14 | 8 | 12 | 14 | |
M10-M14*18 | 10 | 14 | 18 | |
M12-M16*22 | 12 | 16 | 22 |
