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MUKAU FASTENERS, a well-respected manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch Stainless Steel 420 Fasteners. These fasteners are celebrated for their impressive strength, hardness, and resistance to wear. Crafted with cutting-edge manufacturing techniques, they deliver outstanding performance even in the toughest environments. With great machinability and decent corrosion resistance, Stainless Steel 420 Fasteners are perfect for applications that demand both toughness and precision. MUKAU FASTENERS guarantees that each product meets international quality standards, making them ideal for use in automotive, marine, construction, and petrochemical sectors where durability and reliability are crucial.
Stainless Steel 420 Fasteners are composed of martensitic stainless steel, featuring 12–14% chromium, 0.15% carbon, along with trace amounts of manganese, silicon, phosphorus, and sulfur. This unique blend provides them with remarkable hardness, solid tensile strength, and moderate resistance to corrosion. They boast a tensile strength ranging from 700 to 850 MPa and a yield strength of about 500 MPa, along with exceptional wear and impact resistance following heat treatment. These mechanical characteristics make Stainless Steel 420 Fasteners perfect for high-stress, high-temperature, and mechanically demanding settings.
| Specifications | ASTM A 193 / ASME SA 193 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Fasteners Length | 3 mm – 200 mm | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Grade | C | Mn | Si | P | S | Cr |
| SS 420 | 0.15 max | 1.00 max | 1.00 max | 0.04 max | 0.03 max | 14.0 – 12.0 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness Rockwell B (HR B) max | Hardness Brinell (HB) max |
| 420 | 480 | 275 | 16 | 95 | 201 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 420 Fasteners are extensively utilized in industries that require components that are durable, wear-resistant, and moderately resistant to corrosion. They are particularly suited for automotive systems, pumps, valves, turbines, marine equipment, and construction structures. Their hardness and strength make them ideal for power generation units, oil and gas pipelines, and heavy-duty machinery. Additionally, these fasteners are employed in chemical processing plants, aerospace assemblies, and precision engineering tools, thanks to their ability to maintain integrity under varying pressure and temperature conditions. MUKAU FASTENERS’ Stainless Steel 420 Fasteners are designed to meet the highest standards of performance and reliability.
At Mukau Fasteners, we prioritize the quality and safety of our Stainless Steel 420 fasteners during packaging. Each fastener is meticulously inspected and individually wrapped in protective material to prevent damage. They are then packed in durable, clearly labeled boxes that provide detailed product information and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring that your high-performance fasteners arrive in excellent condition and are ready for immediate use.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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