Panache Industries is a well-recognized manufacturer and supplier of stainless steel 420 fasteners, offering a wide range of fastening solutions for demanding industrial applications. Based in Mumbai, India, we cater to both domestic and global markets with precision-engineered products. Our product line includes SS 420 bolts, SS 420 nuts, screws, studs, washers, and complete SS 420 nut bolt sets that are widely used across automotive, petrochemical, aerospace, mechanical engineering, and tool manufacturing industries. We prioritize quality and durability, ensuring our customers receive products that meet both performance and safety standards.
Stainless Steel 420, also known by its UNS designation S42000, is a martensitic stainless steel grade with higher carbon content compared to most other stainless alloys. It contains approximately 12–14% chromium and up to 0.15% carbon, which enables it to be heat-treated to achieve excellent hardness and strength. This grade offers moderate corrosion resistance along with excellent wear resistance, making it suitable for high-stress environments. At Panache Industries, our fasteners comply with globally accepted specifications such as ASTM A193, ASTM A194, ASME SA193, and ASME SA194. These standards ensure our stainless steel 420 bolt nuts perform reliably in critical conditions where toughness and dimensional stability are essential.

We provide a full selection of sizes and threading options for our SS 420 fasteners, from small-diameter M3 sizes to heavy-duty M36 or more, with lengths and head types available as per customer requirements. Whether you require SS 420 nut bolts for general industrial assembly, structural fabrication, or precision machinery, we provide accurate tolerances and consistent quality. There are numerous finishes available for our fasteners, including zinc-coated, passivated, and self-colored, dependent on the specific application. Each batch undergoes diligent inspection and testing to ensure dimensional accuracy, corrosion resistance, hardness, and tensile strength.
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Stainless steel 420 fastener prices are between ₹180 and ₹320 per kg, with the price varying based on the specific product category (bolt, nut, stud, washer, etc.), quantity, and surface finish. We offer competitive pricing, export-grade packaging, and timely delivery for bulk orders. Our team is fully prepared to provide assistance if you need third-party inspection, custom specifications, or material test certificates (MTC). Reach out to sales@panacheind.com or call us directly at +91 98927 02393 to discuss your project needs. At Panache Industries, we are committed to delivering fasteners that match your exact engineering requirements with quality you can trust.
Specification : ASTM A193 / ASME SA193
Dimensions : ASME B18.2.1, ASME B18.3, DIN 931, DIN 933, DIN 934, DIN 7991, DIN 976
Standard : DIN, GB, BS, ISO, IS, JIS, ASTM, ASME, EN, etc.
Size : M02 to M33
Length : 3 mm to 200 mm
Threads : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.
| Standard | SS 420 |
| UNS | S42000 |
| WERKSTOFF NR. | 1.4021 |
| Grade | C | Mn | Si | P | S | Cr | |
| 420 | min. | – | – | – | – | – | 12.0 |
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 14.0 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 420 | 480 | 275 | 16 | 95 | 201 |
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Types of Packaging:
– Bundles (hexagonal)
– Wooden Boxes
– Crates (steel/wooden)
– Packaging for SS 420 Fasteners as per customer’s
requirements
Advantages :
– High Strength
– Resistant High Mechanical Stresses
– Resistant to High Temperature
– Good Formality
If you’re looking for a trusted and reliable supplier of Stainless Steel 420 Fasteners then contact Shop no. 8B, Jai Siddhivinayak CHS., Ardeshir Dadi X Street, Mumbai - 400 004, Maharashtra, India