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Product & Engineering

Automotive Rearview Mirror Screws and Custom Double-Ended Fasteners

A practical overview of custom rearview-mirror screws, double-ended studs, materials, finishes and automotive applications.

Automotive rearview mirror screw application

Charviso produces custom screws, studs and double-ended fasteners for automotive rearview mirrors and related mechanical assemblies.

Product scope

Product typesDouble-ended studs, center studs, rearview-mirror screws, spacer bolts and custom fasteners
ThreadsPartial or full thread; metric, Unified and other drawing-defined systems
MaterialsLow- and medium-carbon steel, stainless steel including 304/304L, brass and aluminum
Reference standardsGB, JIS, DIN, ANSI and ISO
Typical size rangeMetric diameters M2–M10; lengths from approximately 5–200 mm, subject to design review
Property classes4.8, 6.8, 8.8, 10.9 and 12.9 where applicable

Finishes and validation

Available finishes include black, clear, blue and yellow zinc systems, zinc-iron passivation, nickel, black nickel, Dacromet-type coatings and other application-specific treatments. RoHS-compliant options and salt-spray requirements can be reviewed against the customer drawing and service environment.

Custom manufacturing

Non-standard dimensions and special functional features can be manufactured from customer drawings or approved samples. Typical applications include automotive mirrors and transmissions, electronics, communications equipment, office furniture, textile machinery, LED lighting, medical equipment and other precision industrial products.

Send Charviso your drawing for engineering review →

This English article was reviewed and adapted from Charviso’s historical Chinese company archive. Product terminology, standard references and dates were corrected where the source contained clear typographical or metadata errors.