※ For example: M3 x 6(Screw diameter M3 x screw thread length 6mm .)Tip:Countersunk screws : length includes head.Round head/cup head screw : The length does not include the head.
Dimensional error information: When manufacturing parts, to make them interchangeable, the parts should be within the specified maximum and minimum limits. The permissible size variation is: tolerance, but they all fall within the scope of the industry regulations. Contact online customer service for information on specific tolerances. When the product is ordered, the tolerance is accepted by default.