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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 your projects demand unrivaled energy, precision engineering, and advanced reliability, Tubotech’s 12.9 fasteners are the closing answer. Manufactured from high-grade alloy steel and in particular warmth-dealt with to supply first rate hardness, tensile power, and fatigue resistance, our Grade 12.9 fasteners are built for essential, excessive-load programs where failure isn’t always an alternative.
Whether you are operating in construction, automobile production, railways, infrastructure development, or heavy equipment meeting, Tubotech’s 10.9 fasteners assure structural integrity, protection, and performance under excessive conditions. Manufactured by the use of superior alloy metal and heat remedy strategies, those fasteners offer an extremely good aggregate of hardness and ductility—essential for packages requiring constant torque and anxiety.
Our fasteners are tested for dimensional accuracy, coating integrity, corrosion resistance, and mechanical houses, assembly or exceeding global requirements including ISO 898-1, DIN 933, ASTM, and BS. With a wide array of types, finishes, and sizes to be had, and full customization alternatives, Tubotech is your go-to associate for excessive-power fastening solutions that stand the test of time.
| Property | Specification |
|---|---|
| Grade | 12.9 |
| Material | Alloy Steel |
| Finish | Black Oxide, Zinc Plated, Hot Dip Galvanized |
| Tensile Strength | 1220 MPa (Minimum) |
| Yield Strength | 1100 MPa (Minimum) |
| Hardness | 39-44 HRC |
| Standards | ISO 898-1, DIN 931, DIN 933 |
| Sizes | M3 to M100 (Customized Available) |
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.30 – 0.50 |
| Manganese (Mn) | 0.60 – 1.20 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Chromium (Cr) | 0.90 – 1.20 |
| Molybdenum (Mo) | 0.15 – 0.30 |
| Nickel (Ni) | ≤ 0.25 |
Note: Minor variations may occur based on custom grades or coating specifications.
| Property | Value |
|---|---|
| Tensile Strength | 1220 MPa (Minimum) |
| Yield Strength | 1100 MPa (Minimum) |
| Elongation at Break | ≥ 9% |
| Hardness | 39-44 HRC |
| Proof Load | 970 MPa |
These properties make 12.9 fasteners ideal for extreme stress and vibration resistance applications where structural integrity is critical.
These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.
We provide a wide variety of 12.9 fasteners, including:
All products can be customized with different coatings, dimensions, and thread types (coarse/fine).
Our standard size range includes:
| Diameter (mm) | Length (mm) |
|---|---|
| M3 – M100 | 6mm – 1000mm |
Custom sizes and non-standard dimensions are available upon request to suit your specific project needs.
Here’s an indicative weight chart for commonly used 12.9 bolts:
| Size | Length (mm) | Weight (grams) |
|---|---|---|
| M6 x 20 | 12g | |
| M8 x 30 | 22g | |
| M10 x 50 | 42g | |
| M12 x 75 | 80g | |
| M16 x 100 | 170g | |
| M20 x 120 | 320g | |
| M24 x 150 | 580g |
(Weights may vary based on head type and finish applied.)
12.9 fasteners from Tubotech are relied on throughout a broad spectrum of industries:
These fasteners are selected for applications where vibration resistance, torque electricity, fatigue lifestyles, and structural stability are non-negotiable.
At Tubotech, we trust best is the inspiration of the entirety we do. Here’s why industries agree with us:
Secure your structures with Tubotech’s 12.9 fasteners — depended on electricity that lasts. Contact us today for a quick quote and rapid shipping!
Contact Tubotech these days for the fine deals on Grade 10.9 fasteners and discover how we may be the strength at the back of your success!
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.