Titanium Fasteners
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Neeka Tubes is a leading manufacturer, supplier, and exporter of titanium fasteners designed for high-strength, corrosion-resistant, and lightweight industrial applications. Every fastener is manufactured in accordance with international standards, ensuring consistent quality and dependable performance. Our product line includes titanium bolts, nuts, screws, washers, studs, threaded rods, and custom fasteners in a variety of grades, sizes, thread types, and surface finishes to meet a wide range of project needs.
Titanium fasteners have a high strength-to-weight ratio and are resistant to seawater, chemicals, and high temperatures, making them ideal for industries like aerospace, marine, chemical processing, oil and gas, power generation, and medical equipment. Every batch is subjected to rigorous dimensional and quality inspections to ensure accurate thread engagement, consistent performance, and compliance with customer specifications. Neeka Tubes also manufactures custom titanium fasteners based on customer drawings, dimensions, and application specific requirements.
Features of Titanium Fasteners
- Exceptional Strength & Lightweight: Provides superior strength-to-weight ratio, making it perfect for high-performance applications.
- Corrosion Resistance: Highly resistant to rust, oxidation and harsh environments.
- High-Temperature Tolerance: Withstands extreme temperatures without compromising performance.
- Density & Melting Point: Low-density material with a melting point of approximately 1668°C, ensuring stability in extreme conditions.
- Non-Magnetic & Biocompatible: Suitable for medical, aerospace and electronic applications.
Titanium fasteners are widely used in aerospace, chemical, defence, robotics and nuclear industries. It is essential in the marine, petrochemical and medical sectors due to its strength and corrosion resistance. Our fasteners also serve offshore oil drilling, pharmaceutical, power generation, food processing, heat exchangers, condensers, pulp & paper, transportation and bicycle manufacturing industries. It is used in chemical plants and railway applications.
Most Common Types of Titanium Fasteners
Titanium Bolt
Titanium Nut
Titanium Screw
Titanium Washer
Titanium Stud Bolt
Titanium Hex Bolt
Titanium Hex Nut
Titanium Bolts
Titanium Fasteners Specifications
| Specifications | ASME SB348/ ASTM B348 |
| Standard | DIN, ASTM, BS and all other International Standards |
| Grades | Grade 5, Grade 2 |
| Length | 3 mm – 200 mm |
| Machine Screws Size | M1.6 to M12 |
| Bolts Size | M3 to M56 | 3/6″ – 2″ | Custom Sizes |
| Nuts Size | M3 to M56 | 3/6″ – 2″ | Custom Sizes |
| Washers Size | M3 to M56 | 3/6″ – 2″ | Custom Sizes |
| Types | Hex Bolts, Nut, Studs, Threaded Rod, Screws, Washer, Socket Head Cap Screw |
Titanium Fasteners Chemical Composition
| Grade | C | N | O | H | Ti | Fe |
|---|---|---|---|---|---|---|
| Ti Gr 1 | 0.10 max | 0.03 max | 0.18 max | 0.015 max | Bal | 0.20 max |
| Ti Gr 2 | 0.10 max | 0.03 max | 0.25 max | 0.015 max | Bal | 0.30 max |
| Ti Gr 5 | 0.10 max | 0.05 max | 0.20 max | 0.015 max | Bal | 0.40 max |
Mechanical Properties of Titanium Fasteners
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Density | Melting Point |
| Titanium Gr. 2 | Psi – 49900, MPa – 344 | Psi – 39900, MPa – 275 | 20 % | 4.5 g/cm3 | 1665 °C (3030 °F) |
| Titanium Gr. 5 | Psi – 138000, MPa – 950 | Psi – 128000, MPa – 880 | 14 % | 4.43 g/cm3 | 1632 °C (2970 °F) |
Equivalent Grades For Titanium Fasteners
| STANDARD | WERKSTOFF NR. | UNS |
| Titanium Gr 2 | 3.7035 | R50400 |
Composition and Properties of Titanium Fasteners
Titanium fasteners resist corrosion, carry high tensile strength, and stay nonmagnetic under load. These properties come from the same source. A thin oxide layer forms on titanium the moment it’s machined and exposed to air, and that layer rebuilds itself if scratched or scored. That is why titanium hardware used in seawater or chemical exposure does not pit the way plated steel eventually does.
Composition is controlled at the melt stage. Gr 2 keeps oxygen and iron content low, which favours ductility. Gr 5 adds aluminium and vanadium, which pushes tensile strength well past Gr 2 at the cost of some formability. Neeka Tubes machines both grades to ASTM B348 and ASME SB348, matching size and surface finish to the application instead of defaulting to one fixed specification. Buyers sourcing titanium bolts and studs for offshore or medical use usually request mill certificates with the order, and these are issued as standard.
Titanium Fasteners vs Stainless Steel Fasteners
Titanium and 316L stainless steel are both used in corrosion-resistant fastener specs, but they solve different problems on a project. One saves weight and holds up in aggressive marine or chemical service. The other costs less, machines faster, and is easier to source in bulk when budget or lead time matters more than strength-to-weight. The comparison below sets out where each one actually performs better, not just where the marketing usually points.
Property | Titanium Gr 2 / Gr 5 | SS 316L |
Weight | Density around 4.5 g/cm³. Fasteners run 40 to 45 percent lighter than an equivalent steel or 316L part. | Density around 7.9 to 8.0 g/cm³, roughly double that of titanium for the same fastener size. |
Corrosion in marine service | Forms a stable, adherent oxide film. Holds up well against chloride pitting and crevice corrosion in seawater and splash zones. | Molybdenum content gives decent general marine resistance, but pitting and crevice corrosion still show up over time in harsh coastal or aggressive seawater service. |
Strength to weight | Gr 2 sits near 345 MPa UTS. Gr 5 (Ti 6Al 4V) runs 860 to 950 MPa, and the low density pushes strength to weight well above steel. | 316L runs 485 to 620 MPa UTS depending on the condition, but the higher density brings the strength-to-weight ratio down, especially against Gr 5. |
Cost | Raw material and machining costs run high. Titanium fasteners typically cost 3 to 10 times more than a 316L equivalent. | Lower cost overall. Easier to machine and more available, which matters for large volume orders on a fixed budget. |
Magnetic behaviour | Nonmagnetic in both Gr 2 and Gr 5, which suits MRI equipment, sensors, and low-magnetic-signature applications. | Nonmagnetic in the annealed state, but cold working can introduce slight magnetism, so it’s less consistent than titanium across all conditions. |
Biocompatibility | Both grades are biocompatible and see regular use in medical implants, surgical instruments, and body contact hardware. | Acceptable for many medical uses, but titanium remains the preferred choice for long-term body contact. |
Service life in harsh environments | Holds up longer in aggressive chemical, marine, and high-temperature service. The oxide film stays stable where corrosion resistance is the deciding factor. | Performs well in general industrial and marine settings, but service life drops faster than titanium under severe chloride exposure, acid contact, or high-temperature oxidising conditions. |
Titanium Fastener Manufacturing Process at Neeka Tubes
Production starts with a titanium bar or rod stock checked against the required grade composition before it enters the shop floor. Bars are cut to length, then turned on CNC lathes to rough dimensions, leaving stock for finishing passes. Thread rolling or cutting follows, depending on the fastener type and the load it needs to carry. Heat treatment comes next for parts where hardness and strength need to sit within a tighter band than the raw mill condition allows. Surface finishing, whether that’s passivation, polishing, or a specific coating request, happens before final inspection. Every finished batch goes through dimensional checks and a mill certificate review at Neeka Tubes, so what leaves the facility matches what was ordered against ASTM B348 and ASME SB348, not an approximate version of it.
Titanium Bolts Sizes
| Nominal or Basic Product Diameter | E | F | G | H | J | LT (Thread Length) | Y | ||||||||
| Body Diameter | Width Across Flats | Width Across Corners | Head Height | Wrenching Height | For Screw Lengths | For Screw Lengths | Transition Thread Length | ||||||||
| 1/4 | 0.25 | 0.25 | 0.245 | 7/16 | 0.438 | 0.428 | 0.505 | 0.488 | 5/32 | 0.163 | 0.150 | 0.106 | 0.750 | 1.000 | 0.250 |
| 5/16 | 0.3125 | 0.3125 | 0.3065 | 1/2 | 0.500 | 0.489 | 0.577 | 0.557 | 13/64 | 0.211 | 0.195 | 0.140 | 0.875 | 1.125 | 0.278 |
| 3/8 | 0.375 | 0.375 | 0.369 | 9/16 | 0.562 | 0.551 | 0.650 | 0.628 | 15/64 | 0.243 | 0.226 | 0.160 | 1.000 | 1.250 | 0.312 |
| 7/16 | 0.4375 | 0.4375 | 0.4305 | 5/8 | 0.625 | 0.612 | 0.722 | 0.698 | 9/32 | 0.291 | 0.272 | 0.195 | 1.125 | 1.375 | 0.357 |
| 1/2 | 0.5 | 0.5 | 0.493 | 3/4 | 0.750 | 0.736 | 0.866 | 0.840 | 5/16 | 0.323 | 0.302 | 0.215 | 1.250 | 1.500 | 0.385 |
| 9/16 | 0.5625 | 0.5625 | 0.5545 | 13/16 | 0.812 | 0.798 | 0.938 | 0.910 | 23/64 | 0.371 | 0.348 | 0.250 | 1.375 | 1.625 | 0.417 |
| 5/8 | 0.625 | 0.625 | 0.617 | 15/16 | 0.938 | 0.922 | 1.083 | 1.051 | 25/64 | 0.403 | 0.378 | 0.269 | 1.500 | 1.750 | 0.455 |
| 3/4 | 0.75 | 0.75 | 0.741 | 1-1/8 | 1.125 | 1.100 | 1.299 | 1.254 | 15/32 | 0.483 | 0.455 | 0.324 | 1.750 | 2.000 | 0.500 |
| 7/8 | 0.875 | 0.875 | 0.866 | 1-5/16 | 1.312 | 1.285 | 1.516 | 1.465 | 35/64 | 0.563 | 0.531 | 0.378 | 2.000 | 2.250 | 0.556 |
| 1 | 1 | 1 | 0.99 | 1-1/2 | 1.500 | 1.469 | 1.732 | 1.675 | 39/64 | 0.627 | 0.591 | 0.416 | 2.250 | 2.500 | 0.625 |
| 1-1/8 | 1.125 | 1.125 | 1.114 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 11/16 | 0.718 | 0.658 | 0.461 | 2.500 | 2.750 | 0.714 |
| 1-1/4 | 1.25 | 1.25 | 1.239 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 25/32 | 0.813 | 0.749 | 0.530 | 2.750 | 3.000 | 0.714 |
| 1-1/2 | 1.5 | 1.5 | 1.488 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 15/16 | 0.974 | 0.902 | 0.640 | 3.250 | 3.500 | 0.833 |
Titanium Nuts Sizes
Nominal or Basic Major Diameter of Nut Thread |
Grade 2 Titanium Nuts Width Across Flats (F) |
Width Across Corners (G) | Thickness of Titanium Grade 2 Hex Nuts (H) | ||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | 0.2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | 0.226 | 0.212 |
| 5/16 | 0.3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | 0.273 | 0.258 |
| 3/8 | 0.3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | 0.337 | 0.320 |
| 7/16 | 0.4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | 0.385 | 0.365 |
| 1/2 | 0.5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | 0.448 | 0.427 |
| 9/16 | 0.5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | 0.496 | 0.473 |
| 5/8 | 0.6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | 0.559 | 0.535 |
| 3/4 | 0.7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | 0.665 | 0.617 |
| 7/8 | 0.8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | 0.776 | 0.724 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | 0.887 | 0.831 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | 0.999 | 0.939 |
| 1-1/4 | 1.2500 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 1-1/16 | 1.094 | 1.030 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 1.5000 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.317 | 1.245 |
| 1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2 | 2.000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
| 2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.456 | 2-3/8 | 2.431 | 2.319 |
| 3 | 3.000 | 4-1/2 | 4.500 | 4.350 | 5.196 | 4.959 | 2-19/32 | 2.654 | 2.534 |
Titanium Screws Sizes
| Titanium Gr 2 Screw Size | Body Dia | Hex Key Size | Head Height | Head Dia | Maximum Thread Length | Minimum Thread Length |
| No. 0 | 0.06 | 0.05 | 0.06 | 0.096 | 5/8 | 3/8 |
| No. 1 | 0.073 | 1/16 | 0.073 | 0.118 | 7/8 | 3/8 |
| No. 2 | 0.086 | 5/64 | 0.086 | 0.14 | 7/8 | 1/2 |
| No. 3 | 0.099 | 5/64 | 0.099 | 0.161 | 7/8 | 1/2 |
| No. 4 | 0.112 | 3/32 | 0.112 | 0.183 | 11/8 | 11/16 |
| No. 5 | 0.125 | 3/32 | 0.125 | 0.205 | 1 | 11/16 |
| No. 6 | 0.138 | 7/64 | 0.138 | 0.226 | 11/8 | 11/16 |
| No. 8 | 0.164 | 9/64 | 0.164 | 0.27 | 11/4 | 3/4 |
| No. 10 | 0.19 | 5/32 | 0.19 | 0.312 | 13/8 | 15/16 |
| No. 12 | 0.216 | 5/32 | 0.216 | 0.345 | 11/4 | 15/16 |
| 1/4 | 0.250 | 3/16 | 1/4 | 3/8 | 11/2 | 15/16 |
| 5/16 | 0.3125 | 1/4 | 5/16 | 15/32 | 1-3/4 | 1-1/16 |
| 3/8 | 0.375 | 5/16 | 3/8 | 9/16 | 2 | 1-3/16 |
| 7/16 | 0.438 | 3/8 | 7/16 | 21/32 | 2-1/4 | 13/16 |
| 1/2 | 0.500 | 3/8 | 1/2 | 3/4 | 2-1/2 | 1-3/8 |
| 9/16 | 0.5625 | 7/16 | 9/16 | 27/32 | 2-7/16 | 1-5/8 |
| 5/8 | 0.625 | 1/2 | 5/8 | 15/16 | 3 | 1-5/8 |
| 3/4 | 0.750 | 5/8 | 3/4 | 11/8 | 3-1/2 | 1-7/8 |
| 7/8 | 0.875 | 3/4 | 7/8 | 15/16 | 3-3/4 | 2-1/16 |
| 1 | 1.000 | 3/4 | 1 | 11/2 | 4-1/2 | 2-1/4 |
| 1-1/8 | 1.125 | 7/8 | 1-1/8 | 111/16 | 4-21/32 | 2-13/16 |
| 1-1/4 | 1.250 | 7/8 | 1-1/4 | 17/8 | 5-3/32 | 3-1/8 |
| 1-1/2 | 1.500 | 1 | 1-1/2 | 21/4 | 6-5/64 | 3-3/4 |
| 1-3/4 | 1.750 | 11/4 | 1-3/4 | 25/8 | 7-1/8 | 4-3/8 |
| 2 | 2.000 | 11/2 | 2 | 3 | 8-7/64 | 5 |
Titanium Washer Sizes
| Size | Inside Diameter | Outside Diameter | Thickness |
| #2 | 3/32" | 1/4" | .020" |
| #4 | 1/8" | 5/16" | 1/32" |
| #6 | 5/32" | 3/8" | 3/64" |
| #8 | 3/16" | 7/16" | 3/64" |
| #10 | 7/32" | 1/2" | 3/64" |
| 1/4 | 9/32" | 5/8" | 1/16" |
| 5/16 | 11/32" | 11/16" | 1/16" |
| 3/8 | 13/32" | 13/16" | 1/16" |
| 7/16 | 15/32" | 59/64" | 1/16" |
| 1/2 | 17/32" | 1-1/16" | 3/32" |
| 9/16 | 19/32" | 1-3/16" | 3/32" |
| 5/8 | 21/32" | 1-5/16" | 3/32" |
| 3/4 | 13/16" | 1-1/2" | 9/64" |
| 7/8 | 15/16" | 1-3/4" | 9/64" |
| 1" | 1-1/16" | 2" | 9/64" |
| 1-1/8 | 1-3/16" | 2-1/4" | 9/64" |
| 1-1/4 | 1-5/16" | 2-1/2" | 5/32" |
| 1-1/2 | 1-7/16" | 3" | 3/16" |
| 1-5/8 | 1-3/4" | 3-3/4" | 3/16" |
| 1-3/4 | 1-7/8" | 4" | 3/16" |
| 2 | 2-1/8" | 4-1/2" | 3/16" |
Titanium Fasteners Packing & Marking
Packaging, Delivery & Marking Details
We make sure Titanium Fasteners are packed safely to avoid damage while being shipped. Our titanium fasteners are packed in strong wooden boxes, bubble wraps and cartons for a secure delivery. Each package has a label with all the product details, like grade, size and batch number for easy to identification. Our worldwide delivery system helps us send products safely and on time to clients globally.
Quality Tests & Certifications
Our Titanium Fasteners undergo strict quality testing to ensure reliability. Our fasteners are tested for mechanical strength, corrosion resistance and dimensional accuracy. Certified as per global standards we provide test reports, including mill test certificates, third-party inspections and quality assurance documentation.
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FAQs
How are titanium fasteners different from stainless steel fasteners?
Titanium runs roughly 40 to 45 % lighter and holds up better against chloride pitting in seawater. Stainless steel 316L costs less and machines faster, which makes it the better fit for large-volume orders where budget matters more than weight.
What should buyers look for when selecting titanium fastener suppliers?
Price is the key element, but it is also important to verify the mill certificates for grade, consistent dimensional checks throughout the batch, and manufacturing according to ASTM B348 or ASME SB348. Neeka Tubes offers certificates with all titanium orders.
Are titanium fasteners resistant to seawater corrosion?
Yes. The oxide layer on titanium resists chloride pitting and crevice corrosion in splash zones and submerged marine environments, and it rebuilds itself if the surface gets scratched during installation.
What titanium grades are commonly used for fasteners?
Most fastener applications are covered by Gr 2 and Gr 5. Gr 5 (Ti 6Al 4V) has a UTS of 860-950 MPa for higher load applications, while Gr 2 is more ductile with a UTS of approx. 345 MPa.
Are titanium fasteners suitable for high-temperature service?
Titanium fasteners perform well in elevated temperature service where oxidation resistance is important, but for extreme sustained heat above typical service ranges, a grade review should be made before selection.
Are Neeka Tubes' titanium fasteners suitable for use in implant-grade medical applications?
The Gr 2 and Gr 5 titanium are both biocompatible and are used in surgical instruments as well as body-contact hardware. These orders are accompanied by Neeka Tubes’ mill certification for traceability.
Industrial Application of Titanium Fasteners
