Set screw is made of 12.9 grade alloy steel, which has excellent anti-rust, anti-oxidation and anti-corrosion properties and is not easy to break, so it can be used for a long time in any environment.
Allen head screws is widely used in home repair, furniture, garage, machinery, electronics, household appliances, Musical Instruments, precision machinery, door handles, faucets, lamps, bathrooms and more, professional electricians, plumbers, builders, DIY enthusiasts and so on.
Grub screw set include: M3 * 3/4/5/6mm - M4 * 4/5/6mm - M5 * 5/8mm - M6 * 6/10mm - M8 * 8mm - A total of 500pcs, 12 different sizes can meet your different needs, but also includes 5pcs related hex wrenches, easy to handle.
Metric screw assortment has uniform force, no deviation, not easy to slip, uniform pitch, no sharp edge, obvious thread, no residual burr, prevent parts from loosening, the design has good vibration resistance, and good holding effect can be obtained by tightening the thread.
Storage boxes have multiple grids, Each size is placed in a separate grid, for you to store and carry.