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Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004When ‘Innovation’ meets industrial ‘Excellence,’ Tubotech makes its ‘Presence’ felt. Hence, we seek to provide you with high-quality Nuts fasteners, which help in delivering high performance in piping systems.
More importantly, we offer this essential component designed by us to work in tandem with bolts and threaded rods, to ensure the integrity and safety of installations in various industries. These include oil & gas, petrochemical, construction, marine, and manufacturing.
We are delighted that our Nuts fasteners are manufactured using top quality materials. These consist of stainless steel, alloy steel, titanium, duplex, and Hastelloy. Also, they were in particular engineered to tolerate harsh environments.
Finally, at Tubotech we present to you an array of technologically advanced Nuts fasteners built for your business so that it can deliver high performance with great precision and strength.
A few specifications about Nuts fasteners that you need to know is given in the table below:
| Specification | Details |
|---|---|
| Product Type | Hex Nuts, Lock Nuts, Flange Nuts, Wing Nuts, Cap Nuts, Dome Nuts, Nylock Nuts |
| Material Grades | SS 304, SS 316, Alloy Steel, Carbon Steel, Brass, Titanium (Gr 2, Gr 5), Inconel, Hastelloy, Duplex, Super Duplex |
| Thread Standards | Metric (Coarse/Fine), UNC, UNF, BSW, BSF, NPT (custom) |
| Size Range (Metric) | M3 to M100 |
| Size Range (Inch) | 1/8” to 4” |
| Dimensional Standards | DIN 934, DIN 985, ISO 4032, ASME B18.2.2, ASTM A194, ASTM F594 |
| Strength Class | 8, 10, 12 (for carbon/alloy steel); 70, 80, A2-70, A4-80 (for stainless steel) |
| Surface Finishes | Plain, Zinc Plated, Hot Dip Galvanized, PTFE Coated, Black Oxide, Passivated |
| Corrosion Resistance | Good to Excellent (material-dependent) |
| Hardness (Typical) | 70–300 HV (varies by material and grade) |
| Certifications | ISO 9001, EN 10204 3.1, CE, ROHS (on request) |
| Applications | Construction, Oil & Gas, Marine, Petrochemical, Aerospace, Automotive |
Typically, the chemical elements contained in the Nuts fasteners are given in table below:
| Material / Grade | C (Carbon) | Mn (Manganese) | P (Phosphorus) | S (Sulfur) | Si (Silicon) | Cr (Chromium) | Ni (Nickel) | Mo (Molybdenum) |
|---|---|---|---|---|---|---|---|---|
| Carbon Steel (Grade 4/6/8) | ≤ 0.25% | 0.50–0.80% | 0.10–0.35% | ≤ 0.04% | ≤ 0.05% | — | — | — |
| Alloy Steel (Grade 8, 10, 12) | ≤ 0.30% | 0.60–1.60% | 0.10–0.50% | ≤ 0.035% | ≤ 0.035% | — | — | — |
| Stainless Steel A2 (304) | ≤ 0.08% | ≤ 2.00% | ≤ 1.00% | ≤ 0.045% | ≤ 0.015% | 18.0–20.0% | 8.0–11.0% | — |
| Stainless Steel A4 (316) | ≤ 0.08% | ≤ 2.00% | ≤ 1.00% | ≤ 0.045% | ≤ 0.015% | 16.0–18.0% | 10.0–14.0% | 2.0–3.0% |
| Brass Nuts | ≤ 0.05% | ≤ 0.10% | ≤ 0.05% | ≤ 0.05% | ≤ 0.05% | — | — | — |
| Titanium Nuts (Grade 2) | ≤ 0.08% | ≤ 0.30% | ≤ 0.30% | ≤ 0.03% | ≤ 0.015% | — | — | — |
There are several mechanical properties of Nuts fasteners depending on the material used for manufacturing. It is given in the table below:
| Tensile Strength (MPa) | ≥ 800 | ≥ 1,040 | ≥ 700 | ≥ 800 | ≥ 895 | ≥ 690 |
| Yield Strength (MPa) | ≥ 640 | ≥ 940 | ≥ 450 | ≥ 600 | ≥ 828 | ≥ 283 |
| Elongation (%) | ≥ 12 | ≥ 10 | ≥ 45 | ≥ 35 | ≥ 10 | ≥ 45 |
| Hardness (HB/HV) | 250HB | 300HB | 200HV | 220HV | 334Hv | 200HB |
| Notes | High strength, structural applications | Heat-treated, high torque capacity | Corrosion-resistant, general-purpose | Enhanced corrosion resistance | Lightweight, strong, corrosion-resistant | Excellent chemical resistance |
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
In the fastening system, ‘Nuts’ are essential components. They are designed specifically to screw bolts, screws, and threaded rods, and are available in the following types given below:
There are two types of sizes of Nuts fasteners i.e. metric and imperial. They are given in the tables below:
| Nominal Size (M) | Thread Pitch (mm) | Width Across Flats (A/F) | Height (Thickness) |
|---|---|---|---|
| M3 | 0.5 | 5.5 mm | 2.4 mm |
| M4 | 0.7 | 7.0 mm | 3.2 mm |
| M5 | 0.8 | 8.0 mm | 4.0 mm |
| M6 | 1.0 | 10.0 mm | 5.0 mm |
| M8 | 1.25 | 13.0 mm | 6.5 mm |
| M10 | 1.5 | 17.0 mm | 8.0 mm |
| M12 | 1.75 | 19.0 mm | 10.0 mm |
| M16 | 2.0 | 24.0 mm | 13.0 mm |
| M20 | 2.5 | 30.0 mm | 16.0 mm |
| M24 | 3.0 | 36.0 mm | 19.0 mm |
| M30 | 3.5 | 46.0 mm | 24.0 mm |
| M36 | 4.0 | 55.0 mm | 29.0 mm |
| Nominal Size (Inch) | Threads Per Inch (TPI) | Width Across Flats | Height (Thickness) |
|---|---|---|---|
| 1/4″ | 20 | 7/16″ | 7/32″ |
| 5/16″ | 18 | 1/2″ | 17/64″ |
| 3/8″ | 16 | 9/16″ | 21/64″ |
| 1/2″ | 13 | 3/4″ | 7/16″ |
| 5/8″ | 11 | 15/16″ | 35/64″ |
| 3/4″ | 10 | 1-1/8″ | 43/64″ |
| 1″ | 8 | 1-1/2″ | 7/8″ |
| 1-1/4″ | 7 | 1-7/8″ | 1-1/8″ |
It is based on the standard hex bolts (full thread), made from carbon steel (ISO metric sizes) all information about the weight of bolt fasteners is given in the table below:
| Bolt Size (M) | Length 20 mm | Length 40 mm | Length 60 mm | Length 80 mm | Length 100 mm | Length 150 mm |
|---|---|---|---|---|---|---|
| M6 | 1.05 | 1.65 | 2.25 | — | — | — |
| M8 | 1.70 | 3.20 | 4.50 | 5.80 | — | — |
| M10 | 2.60 | 4.90 | 6.80 | 8.90 | 10.90 | — |
| M12 | 3.80 | 6.90 | 9.80 | 12.60 | 15.50 | — |
| M16 | 6.80 | 12.40 | 18.00 | 23.50 | 29.50 | 42.50 |
| M20 | 10.20 | 18.60 | 27.00 | 35.50 | 44.00 | 66.50 |
| M24 | 15.40 | 28.10 | 40.80 | 53.50 | 66.00 | 96.00 |
| M30 | 28.50 | 49.50 | 70.00 | 91.00 | 112.00 | 150.00 |
Due to their high Corrosion Resistance, bolt fasteners are used in a wide range of industrial applications. These are as follows:
Our primary objective at Tubotech is to provide you with high-quality Nuts fasteners and other fastener solutions that help power your business to generate maximum profits. Given below are few other reasons explaining why you choose us for Nuts fasteners.
Choose Tubotech for your subsequent project concerning ASTM A105 instrument fittings and benefit from reliability and quality. Whether your requirement is small batch or bulk export, our technical institution is here to help you.
Tubotech delivers precision-engineered tubing, fittings, and fasteners with innovative solutions and customizable options. Trusted for quality and durability, we serve industries requiring reliable, high-performance piping and instrumentation products.