5/16-18×3'' Hex Head Cap Screws Bolts Assortment Kit

● Product:

- 5/16-18×3''
- Screw diameter: 5/16 Inch
- Material: 45# steel
- Surface treatment: blackening.- Main Color:black

● Package:

- 5/16-18×3'' bolt------------------------8pcs
- 5/16-18 heavy hex nut---------------8pcs
- 5/16 flat washers----------------------8pcs
- 5/16 spring washer-------------------8pcs

● Description:

- Hex head screws bolts kit, made of high quality alloy steel, nut is heavyd.
- Hexagon bolt is a threaded fastener with a hexagonal head shape, and are designed to be installed using a spanner.
- The surface of the product is oxidized and blackened, which has better anti-rust performance.
- Widely used in the home and office appliance, communication equipments, ship assembly and other machinery industry, etc.