Bulongdacbiet.com is the dedicated fastener website of Cat Minh Technology Equipment Co., Ltd., focusing on bolts, screws, threaded rods, nuts, washers and engineered fastening components. The website is designed to support product selection, technical reference and sourcing based on standards, dimensions, thread forms, property classes, materials, surface treatments and actual service conditions of the joint.

Cat Minh supplies fasteners to widely used international standards including DIN, ISO, ASTM, JIS, EN, BS and ASME. The range covers standard fasteners as well as special, non-standard and custom-made components manufactured or sourced to customer drawings, samples and technical specifications.

Supply capability ranges from micro fasteners and precision miniature components to high-strength bolts, structural fasteners, stud bolts and large-size fastening components for machinery, equipment and industrial systems.

MATERIALS AND MECHANICAL PROPERTIES

Fastener materials are selected according to design load, service environment, operating temperature, corrosion resistance, weight requirements, electrical conductivity and other relevant mechanical, physical and chemical properties. Depending on the specification, products may be supplied in carbon steel, alloy steel, stainless steel, copper, brass, aluminum, titanium, nickel alloys, Duplex / Super Duplex stainless steel and other special engineering materials. Property class and mechanical requirements are defined in accordance with the applicable standard and the loading conditions of the joint.

THREADS, DIMENSIONS AND TOLERANCES

Fasteners may be supplied with metric coarse threads, metric fine threads, UNC, UNF or special thread forms, together with specific requirements for diameter, pitch, thread length, shank length, head geometry, tolerance class and dimensional accuracy. For non-standard components, dimensions and tolerances are manufactured to customer drawings or specifications.

SURFACE TREATMENT

Depending on the service environment, fasteners may be supplied with zinc plating, hot-dip galvanizing, black oxide, phosphate, Geomet, Dacromet, PTFE coating, nickel plating, passivation, electropolishing or other specified coating systems. Surface treatment should be selected with consideration of corrosion resistance, coefficient of friction, operating temperature, tightening requirements and expected joint service life.

SPECIAL AND CUSTOM FASTENERS

Where standard fasteners do not fully meet the technical requirements, Cat Minh can source or supply components to drawings, samples, material requirements, mechanical properties, special threads, dimensional tolerances, surface treatments, inspection requirements and certification requirements. These products serve applications in machinery, steel structures, electrical and electronic equipment, precision engineering, chemical processing, oil and gas, marine, power generation, aerospace and medical devices.

ENGINEERED FASTENING REQUIREMENTS

A fastener is an integral part of a bolted joint. Correct selection of the applicable standard, dimensions, thread form, material, property class and surface treatment directly affects load capacity, clamp force, joint stability and service life. Customers may provide the standard designation, drawing, dimensions, material, grade, coating, tolerances, quantity, operating conditions and inspection/certification requirements for Cat Minh to review and propose an appropriate supply solution.

STANDARD FASTENERS · SPECIAL FASTENERS · CUSTOM-MADE COMPONENTS

From standard fasteners to fastening components defined by the technical requirements of each application.