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Product Overview
A Socket Head Screw, also known as a Socket Head Cap Screw (SHCS), features a cylindrical head with an internal hexagonal socket that is tightened using an Allen key or hex wrench. Its compact head design makes it ideal for applications with limited installation space while providing high clamping force and excellent resistance to vibration.
At Moksh Tubes & Fittings LLP, we manufacture precision-engineered Socket Head Screws using premium-quality raw materials and advanced CNC machining processes. Available in a wide range of sizes, thread types, and material grades, our screws are designed to meet the demanding requirements of industrial, mechanical, and structural applications.
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Specifications
| Specification | Details |
|---|---|
| Product | Socket Head Screw |
| Standards | ISO 4762, DIN 912, ASTM, ASME, BS |
| Material | Stainless Steel, Carbon Steel, Alloy Steel, Duplex, Super Duplex & Nickel Alloys |
| Size Range | M3 to M64 / ⅛" to 2½" |
| Length | 6 mm to 300 mm (Custom Sizes Available) |
| Thread Type | Metric, UNC, UNF |
| Drive Type | Internal Hex (Allen) |
| Surface Finish | Plain, Bright, Black Oxide, Zinc Plated, PTFE Coated |
| Manufacturing | Cold Forged & CNC Machined |
Chemical Composition
The chemical composition of Socket Head Screws varies depending on the selected material grade. At Moksh Tubes & Fittings LLP, our Socket Head Screws are manufactured using premium-quality raw materials that comply with ASTM, ASME, ISO, DIN, EN, and BS standards, ensuring excellent corrosion resistance, high strength, and long service life.
| Element | SS 304 (%) | SS 304L (%) | SS 316 (%) | SS 316L (%) |
|---|---|---|---|---|
| Carbon (C) | 0.08 Max | 0.03 Max | 0.08 Max | 0.03 Max |
| Manganese (Mn) | 2.00 Max | 2.00 Max | 2.00 Max | 2.00 Max |
| Silicon (Si) | 0.75 Max | 0.75 Max | 0.75 Max | 0.75 Max |
| Phosphorus (P) | 0.045 Max | 0.045 Max | 0.045 Max | 0.045 Max |
| Sulfur (S) | 0.030 Max | 0.030 Max | 0.030 Max | 0.030 Max |
| Chromium (Cr) | 18.00–20.00 | 18.00–20.00 | 16.00–18.00 | 16.00–18.00 |
| Nickel (Ni) | 8.00–10.50 | 8.00–12.00 | 10.00–14.00 | 10.00–14.00 |
| Molybdenum (Mo) | — | — | 2.00–3.00 | 2.00–3.00 |
| Nitrogen (N) | 0.10 Max | 0.10 Max | 0.10 Max | 0.10 Max |
| Iron (Fe) | Balance | Balance | Balance | Balance |
Note: Chemical composition varies depending on the selected material grade. Carbon Steel, Alloy Steel Grade 12.9, ASTM A193 B7, ASTM A320 L7, Duplex, Super Duplex, and Nickel Alloy Socket Head Screws are also available in accordance with the relevant ASTM, ISO, and DIN material specifications.
Size & Weight Chart
Socket Head Screws are manufactured according to ISO 4762 and DIN 912 standards and are available in a wide range of diameters and lengths.
| Size | Thread Pitch | Standard Length (mm) | Approx. Weight (kg/100 pcs) |
|---|---|---|---|
| M3 | 0.50 | 6–30 | 0.12 |
| M4 | 0.70 | 6–40 | 0.25 |
| M5 | 0.80 | 8–50 | 0.45 |
| M6 | 1.00 | 10–60 | 0.75 |
| M8 | 1.25 | 12–80 | 1.55 |
| M10 | 1.50 | 16–100 | 2.90 |
| M12 | 1.75 | 20–120 | 5.10 |
| M16 | 2.00 | 25–150 | 10.60 |
| M20 | 2.50 | 30–200 | 18.90 |
| M24 | 3.00 | 40–250 | 31.50 |
| M30 | 3.50 | 50–300 | 58.20 |
| M36 | 4.00 | 60–300 | 94.80 |
Note: Dimensions and weights are approximate and may vary depending on the material grade, thread standard (Metric, UNC, UNF), head dimensions, surface finish, and manufacturing tolerances. Custom sizes and lengths are available upon request.
Grades & Equivalent
Stainless Steel Grades
304 / 304L, 316 / 316L
Carbon & Alloy Steel
Carbon Steel, Alloy Steel Gr 12.9,
ASTM A193 B7, ASTM A320
L7
Duplex & Super Duplex
UNS S31803 / 2205
UNS S32750 / 2507
High-Performance Alloys
Inconel®, Monel®, Hastelloy® Alloys
Applications
Socket Head Screws are widely used in:
Industrial Machinery
Automotive Industry
Aerospace Components
Oil & Gas Equipment
Petrochemical Plants
Power Generation Plants
Robotics & Automation
Tool & Die Manufacturing
Marine & Offshore Projects
Features & Advantages
High-strength cylindrical head design
Internal hex drive for high tightening torque
Compact design for confined installation spaces
Excellent corrosion and oxidation resistance
High mechanical strength and durability
Precision-machined threads for secure fastening
Resistant to vibration and loosening
Long service life with low maintenance
Manufactured according to international quality standards
Mechanical Properties
The mechanical properties of Socket Head Screws depend on the selected material grade and comply with applicable ASTM, ISO, and DIN standards. The table below shows the typical mechanical properties for commonly supplied stainless steel grades.
| Property | SS 304 / 304L | SS 316 / 316L |
|---|---|---|
| Tensile Strength (MPa) | 515 Min | 515 Min |
| Yield Strength (MPa) | 205 Min | 205 Min |
| Elongation (%) | 40 Min | 40 Min |
| Hardness (HB Max) | 201 | 217 |
Note: Mechanical properties for Carbon Steel, Alloy Steel Grade 12.9, ASTM A193 B7, ASTM A320 L7, Duplex, Super Duplex, and Nickel Alloy Socket Head Screws are available in accordance with their respective ASTM, ISO, and DIN material specifications upon request.
Why Choose Moksh Tubes & Fittings LLP?
Frequently Asked Questions (FAQ)
What is a Socket Head Screw?
A Socket Head Screw is a high-strength fastener with a cylindrical head and an internal hexagonal drive, tightened using an Allen key or hex wrench.
Where are Socket Head Screws commonly used?
They are widely used in machinery, automotive, aerospace, industrial equipment, robotics, and precision engineering applications.
Which materials are available?
We manufacture Socket Head Screws in stainless steel, carbon steel, alloy steel, duplex, super duplex, and nickel alloy grades.
Do you provide material test certificates?
Yes. EN 10204 3.1 Material Test Certificates are supplied with every order.
Can you manufacture custom sizes?
Yes. We manufacture Socket Head Screws in custom diameters, lengths, thread types, finishes, and material grades according to customer specifications.
Request a Quote
Looking for a trusted Socket Head Screws manufacturer and supplier? Contact Moksh Tubes & Fittings LLP for premium-quality industrial socket head screws, competitive pricing, ready stock, technical support, and fast worldwide delivery. Request your free quotation today.
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