Exquisite hand-held box packaging:Metric bolt assortment are packed in exquisite hand-held boxes, which are easy to carry and store. Bolts are classified and placed in separate compartments with labels. It is convenient to use.
The metric bolts is made of 10.9 grade alloy steel, and the surface is plated with black zinc. Rust-proof, strong and high strength.
Metric bolt kit features:The inclined flange under the cylindrical head of flange bolt increases the torque needed to loosen the bolt. It is suitable for all kinds of mechanical equipment, ships, automobiles and industries.