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Pengkumta Fasteners produces high-performance Stainless Steel 420 Bolts in Bangkok, Thailand, designed for high-wear and mechanical load applications. Known for their high hardness and excellent polishability, 420 bolts are made from martensitic stainless steel with superior abrasion resistance. Pengkumta uses top-quality raw materials and precise manufacturing processes to meet both national and international standards.
Stainless Steel 420 contains about 12–14% chromium with higher carbon content (up to 0.4%) allowing significant hardening after heat treatment. Tensile strength can reach up to 860 MPa and yield strength around 450 MPa. It provides excellent wear resistance and can achieve high surface finishes.
| Specifications | : | ASTM A /SA 193 / 194 |
| Dimensions | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Stud Bolts Size | : | M02 to M33 |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 420 | 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 12.0-14.0 | – | – | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1495 °C (2723 °F) | 690 MPa max | 414 MPa max | 15 % |
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 bolts are used at high pressures and high temperatures where strength and durability are required. They are ideal for automotive components such as engine parts and exhaust systems, as well as construction and industrial equipment needed to resist wear and tear Their ability to withstand high temperatures makes them suitable for environments requiring reliable performance. These screws are used on tools and equipment that encounter corrosive conditions, making them stronger and more durable
Stainless Steel 420 Bolts are used in dies, molds, gears, pumps, and medical equipment where wear resistance and hardness are crucial. They are commonly utilized in the automotive and machinery sectors for high-load joints exposed to friction and movement. These bolts are also suitable for bolted assemblies in construction and tooling fixtures.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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