280pcs Box Type 12.9 inner hexagon screw high carbonsteel cup head cylindrical headround head bolt combinationset
These hex head bolts are made of 12.9 grade alloy steel with oxidation surface, which are resistant to rust and corrosion. There are 9 thread lengths to choose from, which can be generally used in home and office appliances, machinery, furniture, etc.
- Grade 12.9 alloy steel material with oxidation surface has good tensile strength and corrosion resistance in many environments
- Ideal for use in confined areas as fastening components, construction and industrial fasteners
- Screws and nuts are well packed in 10 compartments and assorted in a clear plastic box for convenient use and storage.
- Cap head allows driving where you don’t have enough room for keys
- It is used for fasteners in household and office appliances, communication equipment, ship assembly, or other machinery industry.
- Material: Grade 12.9 Alloy Steel
- Color: Black.
- Screw Thread Length: 4mm(20pcs),
- 16 in (20 pieces),
- 20 mm (20 pieces),
- 25 mm (20 pieces).
- 100 nuts
- Thread Diameter: 3mm (M3) Case Size: 5.1″ x 2.6″ x 0.9″
- 180 screws
- 100 nuts.
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