Custom Screws Manufacturer, Supplier & Exporter in India
Adloy Fasteners is a manufacturer and global exporter of customised screws from Mumbai, India. We produce more than 25 types of screws, from hex head and socket head screws to set screws, wood screws, self-drilling screws and thread forming screws, in stainless steel, carbon steel, alloy steel, copper alloys, nickel alloys, super alloys and other non-ferrous metals. Our screws are made to ASME, DIN, ISO, BS and IS standards, or to your own drawing, in the head styles, drives, threads, sizes and finishes your project needs. Reliable quality, competitive pricing and on-time export delivery make us a trusted partner for buyers worldwide.
Types of Screws We Manufacture
Hex Head Screws
Hex head screws threaded along the shank, driven with a spanner or socket for general assembly.
Socket Head Screws
High-strength cylindrical head screws driven by a hex key, ideal for compact, high-load joints.
Square Head Screws
Square head screws with strong wrench grip for rugged and traditional fastening.
Flange Head Screws
Integral flange spreads clamp load and removes the need for a separate washer.
Button Head Screws
Low domed head with socket drive for a smooth, rounded, tamper-resistant finish.
Round Head Screws
Rounded top screws for general-purpose use where a neat, raised head is acceptable.
Oval Head Screws
Countersunk screws with a rounded top for a decorative, partly flush finish.
Hammer Head
Hammer head fasteners for slot-and-channel systems and quick, secure fixing.
Flat Head Screws
Flat, conical head sits flush with the surface when countersunk.
Truss Head Screws
Wide, low-profile domed head gives a large bearing surface on thin materials.
Dome Head Screws
Smooth domed head for a finished, protected look over the screw end.
Pan Head Screws
Slightly rounded head with short sides, a popular choice for machine and sheet-metal work.
Cheese Head Screws
Cylindrical head with flat top and slotted drive for precision machinery and instruments.
Knurled Head
Knurled heads allow tightening by hand without tools.
Mushroom Head
Large, low-profile rounded head that spreads load and resists pull-through.
Fillister Head
Cylindrical head with rounded top and deep slot for strong, precise tightening.
T Head Screws
T-shaped head screws that slide into channels and T-slots.
Countersunk Screws
Conical head sits flush or below the surface for a smooth finish.
Set Screws
Headless screws that lock collars, gears and pulleys onto shafts, in cup, cone, flat and dog point types.
Coach Screws
Heavy-duty square or hex head screws for timber and structural wood fixing.
Mating Screws
Matched screws made to pair with specific nuts, inserts or components.
Wood Screws
Sharp-pointed, coarse-thread screws that bite directly into timber.
Butterfly Screws
Wing-headed screws for quick hand tightening and removal.
Self Drilling SMS
Self-drilling sheet-metal screws that drill, tap and fasten in one operation.
Thread Cutting
Screws that cut their own mating thread in metal and plastics.
Thread Forming
Screws that form a thread by displacing material, with no chips and strong vibration resistance.
Thumb Screws
Hand-operated screws with a flat or winged head for frequent adjustment.
Screws by Material
Choose the right material for strength, corrosion resistance and temperature. Each material has its own page with grades and specifications.
Alloy Steel Screws
Grade 8.8, 10.9, 12.9; 4140, 4340
Copper Alloy Screws
Brass, bronze, silicon bronze, phosphor bronze
Super Alloy Screws
Inconel 718, A286, Waspaloy, Nimonic
Non Ferrous Metal & Alloy Screws
Aluminium, titanium Grade 2 and Grade 5, brass
Nickel Alloy Screws
Monel 400, Inconel 625, Hastelloy C276, Incoloy 825
Carbon Steel Screws
Class 4.8, 8.8, 10.9; case-hardened low carbon steel
Stainless Steel Screws
304, 316, 316L, 410; A2-70, A4-70, A4-80
| Material | Common Grades |
|---|---|
| Alloy Steel Screws | Grade 8.8, 10.9, 12.9; 4140, 4340 |
| Copper Alloy Screws | Brass, bronze, silicon bronze, phosphor bronze |
| Super Alloy Screws | Inconel 718, A286, Waspaloy, Nimonic |
| Non Ferrous Metal & Alloy Screws | Aluminium, titanium Grade 2 and Grade 5, brass |
| Nickel Alloy Screws | Monel 400, Inconel 625, Hastelloy C276, Incoloy 825 |
| Carbon Steel Screws | Class 4.8, 8.8, 10.9; case-hardened low carbon steel |
| Stainless Steel Screws | 304, 316, 316L, 410; A2-70, A4-70, A4-80 |
Screws Specifications
| Product | Screws (25+ types, custom designs) |
|---|---|
| Materials | Alloy Steel, Copper Alloys, Super Alloys, Non Ferrous Metal & Alloy, Nickel Alloy, Carbon Steel, Stainless Steel |
| Standards | ASME/ANSI B18, DIN, ISO, BS, IS |
| Thread | Metric (coarse and fine), UNC, UNF, BSW, BSF; self-tapping and wood thread forms |
| Property Classes / Grades | 4.8, 8.8, 10.9, 12.9; stainless A2-70, A4-70, A4-80 |
| Drive Types | Slotted, Phillips, Pozidriv, Hex Socket, Torx, Hex, Square, Combination |
| Finishes | Plain, Zinc Plated, Hot-Dip Galvanized, Black Oxide, Phosphate, PTFE, Passivated, Polished |
| Certificates | EN 10204 3.1 on request |
Applications of Screws
- Machinery, tools and equipment assembly
- Construction, roofing and structural fixing
- Electrical, electronics and instruments
- Automotive and heavy vehicles
- Furniture and woodworking
- Marine, chemical and food processing
- Aerospace, railways and mining
Why Choose Adloy Fasteners?
- Manufacturer with full custom screw capability
- Wide material range from carbon steel to nickel and super alloys
- Test certificates and inspection reports on request
- Export-grade packing and timely worldwide shipping
- Competitive pricing for bulk and repeat orders