Machine Screw Set, Professional Cap Head Hex Socket Screw Set, Black Colour Practical Repair Accessories Repair Hardware
- Cap head enables driving where it doesn't have sufficient space for wrenches.
- Ideal for use in confined areas where the head needs to be flush or below the surface.
- Used for fasteners in home and office appliance, communication equipment, ship assembly or other machinery industry.
- 12.9 grade alloy steel material with oxidation surface has good strength of extension and corrosion resistance in many environments.
- Screws and nuts are well packed in 10 compartments and assorted in a transparent plastic box for convenient use and storage.