Bolttypes

Bolttypes is a standardized typology used to classify and describe bolts based on form, function, and compliance with industry standards. It organizes bolts into families defined by shape and drive interface, then further by thread, material, and finish.

Head and drive families include hex bolts, carriage bolts, shoulder bolts, lag bolts, button and pan head, socket head cap screws, and other specialized forms; each type is defined by the geometry of the head and the method used to apply torque. Threading subclasses include coarse and fine pitches across metric and imperial systems, with common examples such as M6 and 1/4-20. Materials include carbon steel, alloy steel, stainless steel, brass, and composite-friendly alloys; finishes include zinc plating, hot-dip galvanizing, black oxide, and ceramic coatings.

Standards within Bolttypes align with widely used engineering norms such as ISO, ANSI/ASME, and JIS. The system supports cross-referencing part numbers, procurement catalogs, CAD libraries, and inventory databases. It emphasizes compatibility and interchangeability through documented tolerances, grip length, and thread engagement.

Applications and impact: In manufacturing, construction, and repair industries, Bolttypes helps engineers select appropriate fasteners and communicate requirements. Modern catalogs and digital tools map Bolttype identifiers to 3D models and bill-of-materials. The system may be extended to include nonstandard or specialized bolts for aerospace, automotive, and heavy equipment.