Xinxiang Flight Fasteners Co., Ltd.
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Heat Staking Insert Knurled Nuts Brass Hot Melt Insert Nuts M5*8*8 Insert Nut
Information
Plastic inserts, commonly known as copper nuts, are usually embedded in the plastic to provide threads that can be removed and assembled repeatedly. The highly-engineered range includes threaded inserts for plastic parts and fragile materials, are being used in multiple industries to achieve metallic thread performance in a plastic part. The inserts use press-in, molded-in, or heat/ultrasonic installation methods providing strong, reusable threads in plastic and other soft or damaged materials.
For different types of plastics, the principle of choosing plastic inserts is roughly as follows:
1. The crystalline plastic is relatively insensitive to stress, so all kinds of nuts can be applied
2. Amorphous plastic is very sensitive to stress. When choosing the nut type, avoid sharp knurling. Special care should be taken for those plastic parts that need to be electroplated for the screen. Pickling of the plastic parts with embedded nuts will cause serious cracking. It is best to first electroplating and embed the nuts.
3. Thermosetting plastics are not suitable for hot-melt and ultrasonic implantation of nuts. If necessary, you can choose precise and sharp knurled nuts to press in.
Use
Specification
|
Type
| Thread | Length L | Head thickness T | Head diameter ФD1 | Outer diameter ФE | Guide column ФC |
| BP BPH | M2 | 3.1 | 0.5 | 4.8 | 3.5 | 3.1 |
| 4.2 | ||||||
| M2.5 | 4.1 | 0.75 | 5.5 | 4.5 | 3.9 | |
| 5.2 | ||||||
| M3 | 4.1 | 0.75 | 5.5 | 4.5 | 3.9 | |
| 5.2 | ||||||
| M3.5 | 4.1 | 0.75 | 6.4 | 5.5 | 4.6 | |
| 7.0 | ||||||
| M4 | 5.6 | 0.75 | 7.1 | 6.3 | 5.5 | |
| 8.5 | ||||||
| M5 | 6.6 | 0.9 | 7.9 | 7.0 | 6.3 | |
| 10.1 | ||||||
| M6 | 7.7 | 1.0 | 9.5 | 8.5 | 7.9 | |
| 12.3 | ||||||
| M8 | 8.3 | 1.03 | 12.7 | 10.5 | 9.5 | |
| 13.8 | ||||||
| M10 | 10.5 | 1.25 | 14.3 | 13.0 | 11.8 |
Knurled
Diamond flower: easy knurling curve, shallow knurling, massage control embedding process, not suitable for hot-melt process, good performance in process.
Twill flower: The knurling area and depth of the villain are easy to control, and it has a self-directed function when implanted, and the overall performance of torsion and tension is good.
The knurling standard of Lijingfan hardware implements the DIN82 standard.
The torsion force of the knurling is related to the traction angle: with the angle of the rising value, the tensile force becomes larger and larger; the heating value increases slightly
