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Fastener Product Basics (Specifications) First, describe the parameters that need to be marked for fasteners: product name (standard), specifications, material, strength grade, surface treatment. Such as: DIN912, M4-0.7x8, SCM435, 12.9, black. 1. Product name (standard): Note: For screws without sta... read more
Although many screw people know very well about the type, shape and design of fasteners, the eager "screw man" has been looking for more comprehensive knowledge points. Xiaobian believes that this popular science will definitely be Like it, store it quickly! First, determine the category Standard fa... read more