The screw with flanged 5,5mm head in this kit is designed for easy thread forming inside an aluminum beam with a 2,5mm hole. The trilobular head will form thread by deforming the aluminum. Thread is not formed by cutting.
For a smooth thread forming process a little grease is crucial. That is why these screws along with a syringe with 2ml grease.
Package contains:
- 100pcs of M3x8 thread forming screw
- 2ml of SKF LGMT 2 general purpose grease in syringe
- screw set manual