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Neeka Tubes is a trusted manufacturer and supplier of high-quality fasteners. We provide our products to a wide range of industries. Fasteners are essential parts for effectively connecting two or more components. We fabricate fasteners in stainless steel, carbon steel, alloy steel, and titanium for strength, durability, and resistance to corrosion. Our product range includes bolts, nuts, screws, washers and studs, where each has been produced to serve the specific purpose of the industry. These are provided in different thread types, sizes, and surface finishes, which serve industrial as well as commercial purposes. With precise engineering, and tight quality control, we offer reliable and long-lasting fastening solutions.
The unique characteristics of titanium fasteners include corrosion resistance, high tensile strength and non-magnetic properties. These fasteners are manufactured using advanced techniques and precision engineering. Designed with specific chemical compositions it ensures optimum hardness and strength. Our products are manufactured to meet the standards used in the industry having an attractive design and proper sizes. Our Titanium fasteners follow the ASTM B 348 and ASME SB 348 standards.

Features of Titanium Fasteners
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.








| 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 |
| 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 |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | Density | Melting Point |
| Titanium Gr. 2 | Psi β 49900, MPa β 344 | Psi β 39900, MPa β 275 | 20 % | 4.5 g/cm3 | 1665 Β°C (3030 Β°F) |
| Titanium Gr. 5 | Psi β 138000, MPa β 950 | Psi β 128000, MPa β 880 | 14 % | 4.43 g/cm3 | 1632 Β°C (2970 Β°F) |
| STANDARD | WERKSTOFF NR. | UNS |
| Titanium Gr 2 | 3.7035 | R50400 |
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 CornersΒ (G) | Thickness of Titanium Grade 2 Hex Nuts (H)Β | ||||||
| Basic | Max | Min | Β Max | Β Min | Basic | Β Max | MinΒ | ||
| 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 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 |
| 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" |




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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