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Stainless Steel 410 Bolts are heat-treatable martensitic fasteners designed for applications requiring high strength, moderate corrosion resistance, and excellent wear performance. These bolts are widely manufactured in compliance with international standards such as ASTM A193 B6, DIN, and ISO specifications, making them suitable for critical industrial assemblies where mechanical load capacity is a priority.
Used extensively in petrochemical plants, power generation systems, and heavy engineering sectors, Stainless Steel 410 Bolts provide a balance between hardness and durability that austenitic grades cannot always achieve. Their ability to be hardened through heat treatment allows engineers to achieve tensile strengths exceeding 700 MPa depending on processing conditions.
KK Fasteners supplies Stainless Steel 410 Bolts to global industries, ensuring material traceability, dimensional accuracy, and compliance with international quality benchmarks for demanding applications.
| Parameter | Details |
|---|---|
| Material | Stainless Steel 410 (Martensitic Stainless Steel) |
| Grade | SS 410, ASTM A193 B6, UNS S41000 |
| Size Range | M6 to M64 / 1/4" to 2-1/2" |
| Thread Type | Metric, UNC, UNF, BSW, BSF |
| Standards | DIN 933, DIN 931, ISO 4014, ISO 4017, ASTM A193 |
| Surface Finish | Black, Passivated, Polished, PTFE Coated |
| Type Variants | Hex Bolts, Heavy Hex Bolts, Socket Head Bolts, Stud Bolts |
| Tensile Strength | 700 – 950 MPa (depending on heat treatment) |
| Hardness | 200 – 275 HB (can vary with tempering) |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 410 | min. | – | – | – | – | – | 11.5 | – | – | – |
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 13.5 | – | 0.75 | – | |
| 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 | ||||
| 410 | 480 | 275 | 16 | 95 | 201 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 410 | S41000 | 410S21 | 56A | 1.4006 | X12Cr13 | 2302 | SUS 410 |
All measurements in millimeters
| NOMINAL SIZE (D) | BODY DIAMETER | HEAD THICKNESS | ACROSS THE FLATS | ACROSS BOLTS CORNERS | ||||
|---|---|---|---|---|---|---|---|---|
| D (MAX) | D (MIN) | H (MAX) | H (MIN) | F (MAX) | F (MIN) | C (MAX) | C (MIN) | |
| m10 | 10.00 | 9.78 | 6.63 | 6.17 | 17.00 | 15.73 | 18.48 | 17.77 |
| m12 | 12.00 | 11.73 | 7.76 | 4.24 | 19.00 | 17.73 | 20.78 | 20.03 |
| m14 | 14.00 | 13.73 | 9.09 | 8.51 | 22.00 | 20.67 | 24.25 | 23.35 |
| m16 | 16.00 | 15.73 | 10.32 | 9.68 | 24.00 | 23.67 | 27.71 | 26.75 |
| m20 | 20.00 | 19.67 | 12.88 | 12.12 | 30.00 | 29.16 | 34.64 | 32.95 |
| m24 | 24.00 | 23.67 | 15.44 | 14.56 | 36.00 | 35.00 | 41.57 | 39.55 |
| m30 | 30.00 | 29.67 | 19.48 | 17.92 | 46.00 | 45.00 | 53.12 | 50.85 |
| m36 | 36.00 | 35.61 | 23.38 | 21.63 | 55.00 | 53.80 | 63.51 | 60.79 |
| m42 | 42.00 | 41.38 | 26.97 | 25.03 | 65.00 | 62.90 | 75.06 | 71.71 |
| m48 | 48.00 | 47.38 | 31.07 | 28.93 | 75.00 | 72.60 | 86.60 | 82.76 |
| m56 | 56.00 | 55.26 | 36.2 | 33.80 | 85.00 | 82.20 | 98.15 | 93.71 |
| m64 | 64.00 | 63.26 | 41.32 | 38.68 | 95.00 | 91.80 | 109.70 | 104.65 |
| m72 | 72.00 | 71.26 | 46.45 | 43.55 | 105.00 | 101.40 | 121.24 | 115.60 |
| m80 | 80.00 | 79.26 | 51.58 | 48.42 | 115.00 | 111.00 | 132.72 | 126.54 |
| m90 | 90.00 | 89.13 | 57.74 | 54.26 | 130.00 | 125.50 | 150.11 | 143.07 |
| m100 | 90.00 | 99.13 | 63.9 | 60.10 | 145.00 | 140.00 | 167.43 | 159.60 |
Stainless Steel 410 Bolts are used in industries where high mechanical strength and moderate corrosion resistance are essential for secure fastening.
Stainless Steel 410 Bolts are typically produced using hot forging or cold forging processes, followed by precision CNC machining for threading and finishing. Heat treatment processes such as quenching and tempering are applied to achieve the desired mechanical properties.
Quality assurance includes dimensional inspection using calibrated gauges, tensile and hardness testing, and surface finish verification. Each batch undergoes traceability checks to ensure compliance with ASTM and ISO standards. KK Fasteners follows structured quality protocols aligned with ISO 9001 requirements, ensuring consistency across large-volume production and export orders.
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Stainless Steel 410 bolts are martensitic stainless steel fasteners designed for high strength and hardness. They can be heat-treated to improve mechanical properties, making them suitable for load-bearing and wear-resistant applications in industrial environments.
SS 410 bolts provide moderate corrosion resistance due to their chromium content. They perform well in dry and mildly corrosive environments but are not recommended for highly acidic or marine conditions without additional coatings or protection.
Stainless Steel 410 fasteners are typically manufactured according to ASTM A193 B6, DIN 933, DIN 931, ISO 4014, and ISO 4017 standards. These specifications define dimensions, mechanical properties, and material requirements for industrial use.
The correct bolt selection depends on load requirements, environmental exposure, and temperature conditions. SS 410 is preferred when high strength and wear resistance are required, especially in applications where corrosion exposure is limited or controlled.
A reliable supplier should offer ISO-certified production, full material traceability, and compliance with international standards. KK Fasteners supports global buyers with documented quality checks, export packaging, and consistent supply across industries.
Stainless Steel 410 Bolts offer a dependable solution for applications where strength, durability, and controlled corrosion resistance are critical. With structured quality checks, heat treatment expertise, and global supply capability, KK Fasteners supports engineering teams with consistent and traceable fastener solutions. Contact the team to request a technical quote or discuss custom specifications for your next project.
