| Size | M02 to M33 |
|---|---|
| Type | Custom Fasteners, Bolt, Nut, Screw, Rivet, Washer, Threaded Rod, Studs, Coated, Nails |
| Standard | Din, Iso, Jis, Is, Gb, Bs, Astm |
| Length | 3 mm to 200 mm |
| Material | Stainless Steel, Phosphor Bronze, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze |
K Lock Nuts, SS 304, SS 316 & Alloy Steel Grades | High Strength Fasteners, Industrial Grade, ASTM DIN Standard
Akbarali Enterprises stands as a reliable K-lock nuts manufacturer, offering high-performance fastening solutions engineered for durability and precision. Prevailing torque nuts, also called K-lock nuts, are developed with a special top-locking design providing friction to the threads against which they fit and thus maintaining a secure fit even in vibratory dynamic loading conditions. This qualifies them to be very suitable for critical applications in the B2B industry, such as automotive assemblies, heavy machinery, structural engineering and industrial equipment. These nuts are made with high-quality raw materials and come in a great variety of grades like Grade 8, Grade 10 and Grade 12 to be used as carbon steel and stainless steel versions like SS 304, SS 316 and SS 316L, which have high corrosion resistance, strength and long life when used in severe environments. Their durable construction and reliability in locking are key options for industries that require safety and reliability.
As a leading nuts supplier, the focus remains on delivering K-lock nuts that comply with international quality standards such as ASTM, DIN, and ISO, ensuring dimensional accuracy and superior mechanical properties. These nuts are very popular in terms of their reusability and torque, ease of installation and also due to their capability to hold the clamps without requiring any further fixing elements such as washers or adhesives. The conical type of locking section at the top, offering prevailing torque, can resist the loosening even in the application where continuous movement or vibration is involved. These nuts can be used in most industries with the diverse fastening needs because of their precision in manufacture and quality controls. With its superior performance in both high-temperature and corrosive applications, the presence of various grades means the end user can find the appropriate material to meet his/her end-use application and make K Lock Nuts a cost-effective, reliable fastening solution.
Material & Grades Table – K Lock Nuts
Material Grade / Standard Size / Thickness / Diameter Extra Specification Weight (kg/1000 pcs) Stainless Steel SS 304 / ASTM F594 M4–M24 General-purpose corrosion-resistant K lock nut Approx. 3–220 Stainless Steel SS 316 / ASTM F594 M4–M24 Marine and chemical applications Approx. 3–220 Stainless Steel SS 316L M4–M24 Low-carbon corrosion-resistant construction Approx. 3–220 Carbon Steel ASTM A563 Grade A M5–M24 General industrial fastening Approx. 4–230 Carbon Steel ASTM A563 Grade C M8–M30 Higher-strength fastening applications Approx. 8–400 Alloy Steel ISO 898-2 Class 10 M6–M30 High-strength metric fastening Approx. 5–400 Alloy Steel ASTM A194 Grade 2H M10–M36 High-pressure and high-temperature applications Approx. 12–650 Brass ASTM F467 M4–M20 Electrical and general applications Approx. 2–180
| Material | Grade / Standard | Size / Thickness / Diameter | Extra Specification | Weight (kg/1000 pcs) |
|---|---|---|---|---|
| Stainless Steel | SS 304 / ASTM F594 | M4–M24 | General-purpose corrosion-resistant K lock nut | Approx. 3–220 |
| Stainless Steel | SS 316 / ASTM F594 | M4–M24 | Marine and chemical applications | Approx. 3–220 |
| Stainless Steel | SS 316L | M4–M24 | Low-carbon corrosion-resistant construction | Approx. 3–220 |
| Carbon Steel | ASTM A563 Grade A | M5–M24 | General industrial fastening | Approx. 4–230 |
| Carbon Steel | ASTM A563 Grade C | M8–M30 | Higher-strength fastening applications | Approx. 8–400 |
| Alloy Steel | ISO 898-2 Class 10 | M6–M30 | High-strength metric fastening | Approx. 5–400 |
| Alloy Steel | ASTM A194 Grade 2H | M10–M36 | High-pressure and high-temperature applications | Approx. 12–650 |
| Brass | ASTM F467 | M4–M20 | Electrical and general applications | Approx. 2–180 |
Key Features & Advantages
-
Integrated locking washer helps resist nut rotation
-
Suitable for vibration-prone assemblies
-
Combines nut and locking washer in one component
-
Accurate internal threading for secure bolt engagement
-
Stainless steel grades provide excellent corrosion resistance
-
Available in high-strength carbon and alloy steel options
-
Supplied in various sizes, grades, coatings, and finishes
- Integrated locking washer helps resist nut rotation
- Suitable for vibration-prone assemblies
- Combines nut and locking washer in one component
- Accurate internal threading for secure bolt engagement
- Stainless steel grades provide excellent corrosion resistance
- Available in high-strength carbon and alloy steel options
- Supplied in various sizes, grades, coatings, and finishes
Chemical Composition
Representative Grade: Stainless Steel 304
Element Percentage (%) Chromium (Cr) 18.0–20.0 Nickel (Ni) 8.0–10.5 Manganese (Mn) 2.00 max. Carbon (C) 0.080 max. Silicon (Si) 1.00 max. Iron (Fe) Balance
Representative Grade: Stainless Steel 304
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 18.0–20.0 |
| Nickel (Ni) | 8.0–10.5 |
| Manganese (Mn) | 2.00 max. |
| Carbon (C) | 0.080 max. |
| Silicon (Si) | 1.00 max. |
| Iron (Fe) | Balance |
Mechanical Properties
Property Value Tensile Strength 515 MPa min. Yield Strength 205 MPa min. Elongation 40% min. Hardness 92 HRB max.
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa min. |
| Yield Strength | 205 MPa min. |
| Elongation | 40% min. |
| Hardness | 92 HRB max. |
Equivalent Grade
Standard Grade ASTM F594 Type 304 UNS S30400 EN 1.4301 DIN X5CrNi18-10
| Standard | Grade |
|---|---|
| ASTM | F594 Type 304 |
| UNS | S30400 |
| EN | 1.4301 |
| DIN | X5CrNi18-10 |
Type of Sub-products
Frequently Asked Questions
What specifications are available for Stainless Steel 304 K Lock Nuts?
How do I select the right Stainless Steel 304 K Lock Nuts?
Are Stainless Steel 304 K Lock Nuts suitable for corrosive environments?
Where are Stainless Steel 304 K Lock Nuts commonly used?
Can I place a bulk order for Stainless Steel 304 K Lock Nuts?
How can I request a quotation for Stainless Steel 304 K Lock Nuts through PipeX.ai?
Countries We Export
India
Cities We Supply
Ahmadnagar
Ahmedabad
Bengaluru
Chandigarh
Chennai
Coimbatore
Haridwar
Hyderabad
Jaipur
Jodhpur
Kalyan
Kolhapur
Kolkata
Lucknow
Mumbai
Murud (raigad)
Nagpur
Nashik
Navi Mumbai
New Delhi
Pune
Raipur
Rajkot
Rampura
Surat
Thane
Varanasi
Visakhapatnam
Moradabad
Angul
Rudrapur
Hosdurg
Gandhinagar
Rajahmundry
Durgapur
Bharuch
Panipat
Industries We Serve
Sugar
Oil And Gas Industries
Paper Mill
Power Plant
Bridge And Building
Aerospace Industries
Automobile Industry
Electrical Industry
Defense Industry
Construction & Fabrications
Ring Man Units
Railways

Gasket Industry
Pharmaceuticals Industry
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