Unifit Fastener is the reliable manufacturer & suppliers of high quality Monel 400 bolts, nuts and stud bolts, which are designed to perform excellently in the harsh setting. Monel 400 is a high strength nickel-copper alloy, which usually consists of 63% nickel and 28% copper, as well as such elements as carbon, manganese, silicon, and iron. This work offers very good resistance to acidic conditions, oxidation and also seawater environments hence it can be used in high temperature and corrosive environments.
In Unifit Fastener our experienced team produces monel 400 bolts in a wide range of sizes, dimensions and specifications to suit varied industrial needs. All bolts and studs are tailored to provide outstanding tensile strength, durability, ductility and prolonged service life even under intense climatic conditions. Our products have unbelievable resistance to acidic environments and are stable with heavy loads and high temperatures.
Our quality standards are of a high level, both domestically and internationally, with well-tested raw materials and high-technology manufacturing. Unifit Fastener, based on quality Monel 400 fasteners, guarantees timely delivery of ready-stocked and well-equipped facilities to deliver the best-quality fasteners at competitive prices.
Monel 400 Full Threaded Rod, UNS N04400 Tap End Stud Bolt, DIN 2.4360 Half Threaded Stud Bolt, ASME SB127 Monel 400 Double End Stud Bolt, ASTM B127 Monel 400 Half Threaded Rod, DIN 2.4360 Full Threaded Stud Bolt.
Request QuoteTable of Contents
- What Are Monel 400 Bolts?
- Types of Monel 400 Bolts Offered by Unifit
- Why Choose Monel 400 Bolts from Unifit Fastener?
- Monel 400 Bolt Specification
- Chemical Composition Monel 400 Stud Bolt
- Mechanical Properties Monel 400 Bolt
- Monel 400 Bolt Equivalent Grades
- Monel 400 Bolts Dimensions Chart
- Torque Chart for Monel 400 Bolts
- Applications of Monel 400 Bolts
- Request a Quick Quote for Monel 400 Bolts
- Monel 400 Bolts Manufacturer, Supplier & Exporter
- Frequently Asked Questions About Monel 400 Bolts
What Are Monel 400 Bolts?
Monel 400 bolts are manufactured through the alloy of high performance nickel and copper with excellent corrosion resistance and excellent mechanical strength. Such bolts come in various sizes, shapes, and configurations (both common and custom), and hence they can be used in a diversified number of applications. Monel 400 Hex Bolts are also perfect in the projects where connections are to be welded and in which the alloy offers great welding properties.
Monel 400 bolts have a wide presence in industries because of their resistance to severe conditions and durability in industrial applications in marine engineering, aerospace, oil and gas, automotive, and industrial machinery. Monel 400 Hex Bolts are reliable in attaching the components such as engines, turbines, pumps, and compressors, and Monel 400 Hex Cap Screws enable solid bonds between Monel parts and the other alloys such as steel or aluminium.
Monel 400 fasteners come in various types and styles and are used in applications where reliability is required in the presence of corrosive and high-stress environments, such as Monel 400 stud bolts, Monel 400 washers, and other vital parts.
ASTM B127 Monel 400 Flange Stud Bolt, Monel 400 Bonding Stud Bolt, ASME SB127 Monel 400 Double End Stud Bolt With Reduced Shank, UNS N04400 Double End Threaded Rod, Monel 400 Tap End Threaded Rod.
Types of Monel 400 Bolts Offered by Unifit
We manufacture and supply a wide variety of bolt types to match every industrial need:
- Monel 400 Connector Bolts
- Monel 400 Jack Bolts
- Monel 400 Bent Bolts
- Monel 400 Draw Bolts
- Monel 400 Toggle Bolts
- Monel 400 Round Headed Bolts
- Monel 400 Stove Bolts
- Monel 400 T-Bolts
- Monel 400 Timber Bolts
- Monel 400 Button Head Bolts
- Monel 400 Lag Bolts
- Monel 400 Tension Control Bolts
- Monel 400 Tap Bolts
- Monel 400 Shoulder Bolts
- Monel 400 Hex Socket Bolts
- Monel 400 Roof Bolts
- Monel Alloy 400 J-Bolts
- 400 Monel Tower Bolts
- Monel 400 Foundation Bolts
- Monel 400 Structural Bolts
- Monel 400 T-Head Bolts
- Monel 400 Socket Head Anchor Bolt
- Monel 400 Allen Bolts
- Monel 400 Hanger Bolts
- Monel 400 U Bolts
- Monel 400 Metric Bolts
- Monel 400 Long Bolts
- Monel 400 Flange Bolts
- Monel 400 Machine Bolts
- Monel 400 Countersunk Bolts
- Monel 400 Plow Bolts
- Monel 400 Step Bolts
- Monel 400 Bin Bolts
- Monel 400 Lifting Eye Bolt
- Monel 400 Threaded Bolts
- Monel 400 Coil Bolts
- Monel 400 Square Bolts
Send Your Enquiry
Why Choose Monel 400 Bolts from Unifit Fastener?
Unifit Fastener is one of the world’s most reliable suppliers of Monel 400 bolts designed to operate in extreme conditions since it is an ISO 9001:2015 certified manufacturer and has decades of experience in metallurgy. We make our bolts using the high-performance nickel-copper alloy (UNS N04400) that has excellent seawater, acid and alkali resistance. Supported by accurate CNC machine operation, intensive internal testing and complete traceability of materials, all fasteners we are providing are international standards such as ASTM B164 and ASME. Our company is fully customisable and exportable and boasts of reliable worldwide shipping, and as such, Unifit is by far the best option where engineers, EPC contractors, and OEMs have mission-critical fastening requirements that their solutions are able to provide long-term performance, safety, and compliance.
Monel 400 Bolt Specification
| Specifications | Details |
|---|---|
| Specifications | ASTM F467 / ASME F467 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 - M100 | 3/6″ - 4″ | Custom Sizes |
| Length | 3 mm - 200 mm | 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 Treatment | Passivation /plain |
| Others Factor | OEM, ODM, ±0.03MM tolerance |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Packing | IN BULK: carton, pallet, Small Boxes or customer request |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Delivery time | Regular product : 7-15 days, Custom product : 2-4 weeks |
| Place of Origin | India |
Chemical Composition Monel 400 Stud Bolt
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
|---|---|---|---|---|---|---|---|
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
Mechanical Properties Monel 400 Bolt
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2% Offset) | Elongation |
|---|---|---|---|---|---|
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Monel 400 Bolt Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Monel 400 Bolts Dimensions Chart
| Nominal Size Diameter, D (inch) |
Tap End Full Thread Length, BM | Umax = 2P | Minimum Nut End Full Thread Length, Bmin | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Nominal | Min. | Max. | UNC & NC-5 Thread | UNF Thread | 8UN Thread | L ≤ 10 | 10 < L ≤ 16 | L > 16 | |
| 1/4 | 0.375 | 0.350 | 0.400 | 0.100 | 0.071 | ... | 0.750 | 1.000 | 1.500 |
| 5/16 | 0.469 | 0.440 | 0.498 | 0.111 | 0.083 | -- | 0.875 | 1.125 | 1.625 |
| 3/8 | 0.563 | 0.532 | 0.594 | 0.125 | 0.083 | -- | 1.000 | 1.250 | 1.750 |
| 7/16 | 0.656 | 0.620 | 0.692 | 0.143 | 0.100 | -- | 1.125 | 1.375 | 1.875 |
| 1/2 | 0.750 | 0.708 | 0.792 | 0.154 | 0.100 | -- | 1.250 | 1.500 | 2.000 |
| 9/16 | 0.844 | 0.802 | 0.896 | 0.167 | 0.111 | -- | 1.375 | 1.625 | 2.125 |
| 5/8 | 0.938 | 0.892 | 0.983 | 0.182 | 0.111 | -- | 1.500 | 1.750 | 2.250 |
| 3/4 | 1.125 | 1.075 | 1.175 | 0.200 | 0.125 | -- | 1.750 | 2.000 | 2.500 |
| 7/8 | 1.313 | 1.258 | 1.368 | 0.222 | 0.143 | -- | 2.000 | 2.250 | 2.750 |
| 1 | 1.500 | 1.438 | 1.562 | 0.250 | 0.167 | -- | 2.250 | 2.500 | 3.000 |
| 1 1/8 | 1.688 | 1.625 | 1.750 | 0.286 | 0.167 | 0.250 | 2.500 | 2.750 | 3.250 |
| 1 1/4 | 1.875 | 1.813 | 1.938 | 0.286 | 0.167 | 0.250 | 2.750 | 3.000 | 3.500 |
| 1 3/8 | 2.063 | 2.000 | 2.125 | 0.333 | 0.167 | 0.250 | 3.000 | 3.250 | 3.750 |
| 1 1/2 | 2.250 | 2.188 | 2.313 | 0.333 | 0.167 | 0.250 | 3.250 | 3.500 | 4.000 |
| 1 5/8 | 2.438 | 2.375 | 2.500 | -- | -- | 0.250 | 3.500 | 3.750 | 4.250 |
| 1 3/4 | 2.625 | 2.563 | 2.688 | 0.400 | -- | 0.250 | 3.750 | 4.000 | 4.500 |
| 1 7/8 | 2.813 | 2.750 | 2.875 | -- | -- | 0.250 | 4.000 | 4.250 | 4.750 |
| 2 | 3.000 | 2.925 | 3.075 | 0.444 | -- | 0.250 | 4.250 | 4.500 | 5.000 |
| 2 1/4 | 3.375 | 3.300 | 3.450 | 0.444 | -- | 0.250 | 4.750 | 5.000 | 5.500 |
| 2 1/2 | 3.750 | 3.675 | 3.825 | 0.500 | -- | 0.250 | 5.250 | 5.500 | 6.000 |
| 2 3/4 | 4.125 | 4.050 | 4.200 | 0.500 | -- | 0.250 | 5.750 | 6.000 | 6.500 |
| 3 | 4.500 | 4.425 | 4.575 | 0.500 | -- | 0.250 | -- | 6.500 | 7.000 |
| 3 1/4 | 4.875 | 4.775 | 4.975 | 0.500 | -- | 0.250 | -- | 7.000 | 7.500 |
| 3 1/2 | 5.250 | 5.150 | 5.350 | 0.500 | -- | 0.250 | -- | 7.500 | 8.000 |
| 3 3/4 | 5.625 | 5.525 | 5.725 | 0.500 | -- | 0.250 | -- | 8.000 | 8.500 |
| 4 | 6.000 | 5.900 | 6.100 | 0.500 | -- | 0.250 | -- | 8.500 | 9.000 |
Torque Chart for Monel 400 Bolts
Selecting the correct torque is critical when installing Monel 400 bolts, as over-tightening can damage components while under-tightening can lead to joint failure. Selecting the correct torque is critical when installing Monel 400 bolts, as over-tightening can damage components while under-tightening can lead to joint failure:
| Bolt Size | Thread Pitch | Torque (Nm) | Torque (lb-ft) |
|---|---|---|---|
| 1/4" | 20 TPI | 8.5 | 6.3 |
| 3/8" | 16 TPI | 30 | 22.1 |
| 1/2" | 13 TPI | 74 | 54.6 |
| 5/8" | 11 TPI | 146 | 107.7 |
| 3/4" | 10 TPI | 259 | 191 |
| 1" | 8 TPI | 562 | 415 |
Applications of Monel 400 Bolts
Monel 400 Bolts are the go-to choice for industries operating in highly corrosive and high-pressure environments. Known for their resistance to seawater, acids and alkalis they outperform stainless steel in chloride-rich and marine conditions. Their strength and reliability make them ideal for long-term use in critical assemblies where failure is not an option.
Industries That Rely on Monel 400 Bolts:
- Marine & Offshore
- Oil & Gas
- Chemical Processing
- Aerospace
- Power Generation
- Pharmaceuticals
- Food & Beverage
- Pulp & Paper
- Desalination
- Automotive
Request a Quick Quote for Monel 400 Bolts
Searching for dependable Monel 400 Bolts at the right price and delivery timeline? At Unifit Fastener, we blend engineering precision with responsive customer service to offer fast, accurate, and competitive quotes tailored to your unique specifications. Whether you need a one-off batch or bulk supply, we ensure full traceability, compliance with international standards, and prompt shipping to your location.
- Fast lead times for both domestic & export orders
- Technical assistance from material experts
- Custom sizes, threading & head types available
- Quality certifications and MTCs provided
Fill out the form below and we’ll respond promptly with a customized quote that meets your technical and commercial requirements without delays or complexity.
Add for sleek lead form here
Monel 400 Bolts Manufacturer, Supplier & Exporter
At Unifit Fastener, we specialize in manufacturing and supplying Monel 400 Bolts that meet the rigorous demands of critical industries. With a focus on metallurgy and material performance, we provide corrosion-resistant bolting solutions trusted in offshore platforms, refineries, heat exchangers and marine assemblies. Our capabilities extend from standard hex bolts to custom-engineered variants, all tested to international benchmarks like ASTM B164 and ASME SB-164. As a global exporter, we ensure seamless logistics, material traceability and adherence to regional compliance delivering fasteners that meet both performance and procurement standards.
Monel 400 Hex Bolts, Monel 400 Eye Bolts, Monel 400 Anchor Bolts, Monel 400 Carriage Bolts, Monel 400 Full Threaded Bolts, Alloy 400 Hexagon Bolts, Monel 400 Half Threaded Bolts Manufacturer in India.
Monel 400 Machine Bolts, UNS N04400 Elevator Bolts, Monel Alloy 400 Heavy Hex Bolts, DIN 2.4360 Allen Head Bolts, Monel 400 Lag Bolts, Monel 400 Stud Bolts, Monel 400 Bolt Supplier in Mumbai, India.
Frequently Asked Questions About Monel 400 Bolts
Are Monel 400 bolts stronger than stainless steel?
Yes, especially in corrosive environments like saltwater or acid processing. They resist pitting and crevice corrosion better than 316 SS.
What size range is available for Monel 400 bolts?
We offer bolts from M3 to M72 and 1/4” to 3” with custom lengths and threading.
Do Monel 400 bolts come with certifications?
Absolutely, each order comes with EN 10204 3.1 MTC, PMI test reports, and third-party certificates upon request.