| Size | M3 to M100 |
|---|---|
| Type | Screw, Coated, Studs, Threaded Rod, Custom Fasteners |
| Standard | Iso, Din, Jis, Gb, Is, Bs |
| Length | 1/8″, 4″ |
| Material | Stainless Steel, Inconel, Monel, Incoloy, Hastelloy, Nickel, Phosphor Bronze, Silicon Bronze |
Shoulder Screws Manufacturer – ASTM F593 SS304/SS316
Caliber Enterprise is a leading Shoulder Screws Manufacturer in India, we provides solutions that are designed in a situation where alignment accuracy, restricted spacing, and hassle-free movement are demanded. These fasteners are very common in tooling, automation equipment and in mechanical assemblies and are characterized by a precision shoulder area between the threaded area and the head. They are made of high grade alloy steel and stainless steel and provide high load bearing capacities, wear resistance and dimensional stability. Nylon Screws may also be incorporated in assemblies where electrical insulation, light weighted construction or chemical resistance are needed to aid non-metallic fastening requirements.
These screws enhance steady positioning as well as minimize the component wear due to a combination of reliability when subjected to continuous motion and shear load, repeated operation cycles. Their constant shoulder sizes contribute to the maintenance of proper spacing and the movement of the parts that are connected can be controlled. In processes that are subjected to extreme temperature or aggressive chemicals or subjected to rigorous mechanical forces, PEEK Screws are often added as a high-performance alternative, since it has outstanding thermal stability and durability. Collectively, these fastening solutions facilitate effective functionality, long durability and reliable performance in the industrial and precision engineered settings.
Material & Grades Table – Shoulder Screws
| Material | Grade / Standard | Size / Thickness / Diameter | Extra Specification | Weight (kg/1000 pcs) |
|---|---|---|---|---|
| Stainless Steel | SS 304 / ASTM F593 | M3–M16, shoulder Ø 3–16 mm | General-purpose corrosion-resistant screw | Approx. 1–180 |
| Stainless Steel | SS 316 / ASTM F593 | M3–M16, shoulder Ø 3–16 mm | Marine and chemical applications | Approx. 1–180 |
| Stainless Steel | SS 316L | M3–M16, shoulder Ø 3–16 mm | Low-carbon corrosion-resistant construction | Approx. 1–180 |
| Alloy Steel | ASTM A574 | M4–M20, shoulder Ø 4–20 mm | High-strength precision applications | Approx. 2–300 |
| Alloy Steel | ISO 898-1 Class 12.9 | M4–M20, shoulder Ø 4–20 mm | High-strength mechanical assemblies | Approx. 2–300 |
| Carbon Steel | C45 / EN 10083 | M4–M20, shoulder Ø 4–20 mm | Hardenable engineering steel | Approx. 2–300 |
| Titanium | Grade 5 / ASTM F467 | M4–M16, shoulder Ø 4–16 mm | Lightweight and corrosion-resistant | Approx. 0.5–140 |
| Brass | ASTM F467 | M3–M16, shoulder Ø 3–16 mm | Electrical and low-load applications | Approx. 1–140 |
Key Features & Advantages
- Precision-machined shoulder for accurate positioning
- Suitable for pivot, guide, spacer, and shaft applications
- Excellent dimensional accuracy and concentricity
- High-strength options available for demanding assemblies
- Stainless steel grades provide excellent corrosion resistance
- Suitable for automation, tooling, machinery, and robotics
- Available in customized shoulder diameters, lengths, threads, and finishes
Chemical Composition
Representative Grade: Alloy Steel ASTM A574
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.28–0.50 |
| Manganese (Mn) | 0.50–0.90 |
| Chromium (Cr) | 0.80–1.10 |
| Molybdenum (Mo) | 0.15–0.25 |
| Silicon (Si) | 0.10–0.35 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 1,220 MPa min. |
| Yield Strength | 1,100 MPa min. |
| Elongation | 10% min. |
| Hardness | 39–44 HRC |
Equivalent Grade
| Standard | Grade |
|---|---|
| ASTM | A574 |
| UNS | G41400 |
| EN | 42CrMo4 |
| DIN | 1.7225 |
Type of Sub-products
Frequently Asked Questions
What specifications are available for ASTM A574 Alloy Steel & ASTM F593 Shoulder Screws?
How do I select the right Shoulder Screws?
What are ASTM A574 Alloy Steel & ASTM F593 Shoulder Screws used for?
Can ASTM A574 Alloy Steel & ASTM F593 Shoulder Screws be supplied to specified dimensions?
Can I place a bulk order for ASTM A574 Alloy Steel & ASTM F593 Shoulder Screws?
How can I request a quotation for Shoulder Screws through PipeX.ai?
Countries We Export
India
Cities We Supply
Bangalore Urban
Hyderabad
Jaipur
Kalyan
Rampura
Sion, Mumbai
Surat
Thane
Gandhinagar
Rajahmundry
Panipat
Ahmadnagar
Ahmadpur
Bangalore Rural
Chandigarh
Chennai
Coimbatore
Haridwar
Jodhpur
Kolhapur
Mumbai
Murud (raigad)
Navi Mumbai
New Delhi
Rudrapur
Hosdurg
Durgapur
Ahmedabad
Jodhpur (ahmedabad)
Kolkata
Mumbai Suburban
Nashik
Raipur
Rajkot
Varanasi
Visakhapatnam
Angul
Bengaluru
Lucknow
Nagpur
Pune
Moradabad
Bharuch
Industries We Serve
Oil And Gas Industries

Gasket Industry
Sugar
Automobile Industry
Defense Industry
Construction & Fabrications
Paper Mill
Bridge And Building
Aerospace Industries
Railways
Pharmaceuticals Industry
Power Plant
Electrical Industry
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