| Size | M 02 to M 1.60, Custom Sizes |
|---|---|
| Type | Bolt |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 3 mm to 200 mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
| Bolts | Length of bolts should be 3 mm to 200 mm |
|---|
Bolts manufactured in India for fastening assemblies automotive components construction and industrial applications
Delta Fitt Inc is a leading Bolts Manufacturer in India, which provides the high quality of fastening solution which ensures strength, reliability and long life. Bolts are mechanical screws that are necessary to firmly assemble parts in structural, industrial and mechanical equipment where load-bearing and vibration resistance are also paramount.
The applications of bolts are in construction, automotive, heavy engineering, infrastructure, power plants, and the industrial machineries. Bolts are also manufactured with high precision in threading and tolerances, which assure high clamping strength, dimensional rigidity and reliability throughout dynamic loading. They come in a variety of sizes, thread types, finish and grade of material to cater to varying applications.
Bolts – Material & Grade Table
| Common Name | Standard / Grade | Typical Material | Typical Applications | Key Properties |
|---|---|---|---|---|
| Hex Bolt | ASTM A307 Gr A / B | Carbon Steel | Structural & general fastening | Good strength, economical |
| High Tensile Hex Bolt | ASTM A325 / A490 | Alloy Steel | Heavy structural applications | High tensile & yield strength |
| Stainless Steel Bolt | ASTM A193 B8 / B8M | SS 304 / SS 316 | Chemical, marine, food processing | Excellent corrosion resistance |
| Alloy Steel Bolt | ASTM A193 B7 | Cr–Mo Alloy Steel | High-temperature & pressure service | High strength, heat resistant |
| Duplex Steel Bolt | ASTM A193 B8M Class 2 / 2205 | Duplex Stainless Steel | Offshore, chemical processing | High strength & corrosion resistance |
| Super Duplex Bolt | ASTM A193 B8M Class 2 / 2507 | Super Duplex Stainless Steel | Offshore & seawater applications | Excellent pitting & crevice corrosion resistance |
| Brass Bolt | IS / DIN / ASTM | Brass | Electrical & decorative use | Non-sparking, corrosion resistant |
| Titanium Bolt | ASTM B348 Gr 2 / Gr 5 | Titanium Alloy | Aerospace, marine | Lightweight, very high corrosion resistance |
Bolts – Types, Sizes & Availability Table
| Bolt Type | Size Range | Thread Standard | Head Type | Minimum Quantity |
|---|---|---|---|---|
| Hex Bolts | M6 – M64 | ISO / UNC / UNF | Hex | 200 Pcs |
| Heavy Hex Bolts | M12 – M72 | ISO / ASTM | Heavy Hex | 200 Pcs |
| High Tensile Bolts | M10 – M72 | ISO / ASTM | Hex / Heavy Hex | 200 Pcs |
| Allen (Socket) Bolts | M4 – M36 | ISO / DIN | Socket Head | 200 Pcs |
| Stud Bolts | M8 – M100 | ASTM / DIN | Tap End / Full Thread | 200 Pcs |
| Custom Bolts | As Required | As Required | As Required | 200 Pcs |
Key Features of Bolts
Bolts are preferred for secure and high-strength fastening applications.
- High load-bearing and tensile strength
- Accurate threading for secure fastening
- Resistance to vibration and mechanical stress
- Suitable for structural and industrial use
- Long service life with reliable performance
These features make bolts a critical component in industrial and construction fastening systems.
In addition to standard bolts, we also supply Anchor Bolts, Plow Bolts, and Hex Bolts, allowing buyers to source a complete range of fastening solutions from a single reliable manufacturer through our B2B portal.Type of Sub-products

Hex Bolt Hex Bolt
Standard bolts with hexagonal heads, widely used in construction and machinery.

Carriage Bolts Carriage Bolts
Bolts with a rounded head and square neck, ideal for wood fastening.
