Custom Washers Manufacturer, Supplier & Exporter in India
Adloy Fasteners is a manufacturer and global exporter of customised washers from Mumbai, India. We produce more than 18 types of washers, from plain flat washers and spring lock washers to tab, tooth lock, wave, conical spring, fender and sealing washers, in stainless steel, carbon steel, alloy steel, copper alloys, nickel alloys, super alloys and other non-ferrous metals. Our washers are made to ASME, DIN, ISO, BS and IS standards, or to your own drawing, in the sizes, thicknesses and finishes your project needs. Reliable quality, competitive pricing and on-time export delivery make us a trusted partner for buyers worldwide.
Types of Washers We Manufacture
Plain / Flat Washers
Flat round washers that spread load and protect surfaces under nuts and bolt heads.
Spring Lock Washers
Split helical washers that resist loosening from vibration.
Tab Washers
Washers with bendable tabs that lock nuts and bolts against rotation.
Internal Tab Washers
Tab washers with an inner tab that engages a keyway or slot to prevent turning.
Square Washers
Square flat washers with a large bearing area, widely used in timber and structural work.
Square Beveled
Tapered square washers that sit flat against sloped flanges of channels and beams.
Hex Washers
Hex-shaped washers for a neat finish and firm wrench grip.
External Tooth Lock
Washers with outer teeth that bite into the surface to resist loosening.
Internal Tooth Lock
Washers with inner teeth for small head screws where a clean outer edge is needed.
Curved Wave Washer
Wavy springs that give light, controlled axial load and absorb vibration.
Conical Spring
Disc springs (Belleville type) that provide high load in a small space.
Self Locking Washer
Washers designed to lock in place and prevent loosening without extra parts.
Dock Washers
Heavy-duty washers for dock, jetty and timber construction.
Fender Washers
Large outside diameter washers with a small hole to spread load over thin or soft material.
Ogee Washers
Large washers with a curved ogee profile for timber and structural fixing.
Sealing Washers
Washers with a sealing element that prevents leakage of liquids and gases.
Countersunk Washer
Conical washers that seat countersunk screw heads.
Finishing Washers
Cup-shaped washers that give countersunk screws a neat, finished appearance.
Washers by Material
Choose the right material for strength, corrosion resistance and temperature. Each material has its own page with grades and specifications.
Alloy Steel Washers
Hardened alloy steel, 4140, 4340; 300 HV
Copper Alloy Washers
Brass, bronze, silicon bronze, phosphor bronze
Super Alloy Washers
Inconel 718, A286, Waspaloy, Nimonic
Non Ferrous Metal & Alloy Washers
Aluminium, titanium Grade 2 and Grade 5, brass
Nickel Alloy Washers
Monel 400, Inconel 625, Hastelloy C276, Incoloy 825
Carbon Steel Washers
Low carbon steel 140 HV; spring steel 65Mn for lock washers
Stainless Steel Washers
304, 316, 316L, 410; A2 and A4
| Material | Common Grades |
|---|---|
| Alloy Steel Washers | Hardened alloy steel, 4140, 4340; 300 HV |
| Copper Alloy Washers | Brass, bronze, silicon bronze, phosphor bronze |
| Super Alloy Washers | Inconel 718, A286, Waspaloy, Nimonic |
| Non Ferrous Metal & Alloy Washers | Aluminium, titanium Grade 2 and Grade 5, brass |
| Nickel Alloy Washers | Monel 400, Inconel 625, Hastelloy C276, Incoloy 825 |
| Carbon Steel Washers | Low carbon steel 140 HV; spring steel 65Mn for lock washers |
| Stainless Steel Washers | 304, 316, 316L, 410; A2 and A4 |
Washers Specifications
| Product | Washers (18+ types, custom designs) |
|---|---|
| Materials | Alloy Steel, Copper Alloys, Super Alloys, Non Ferrous Metal & Alloy, Nickel Alloy, Carbon Steel, Stainless Steel |
| Standards | ASME/ANSI B18.21.1, ASME B18.22.1, DIN 125, DIN 127, DIN 6797, DIN 93, DIN 6796, ISO, BS, IS |
| Sizes | Metric M2 to M100 and imperial 1/8" to 4", other sizes on request |
| Hardness | Typically 140 HV, 200 HV and 300 HV, depending on type and material |
| Finishes | Plain, Zinc Plated, Hot-Dip Galvanized, Black Oxide, Phosphate, PTFE, Passivated, Polished |
| Certificates | EN 10204 3.1 on request |
Applications of Washers
- Construction and structural steel
- Oil, gas, refinery and petrochemical plants
- Machinery and equipment assembly
- Automotive and heavy vehicles
- Marine, docks and offshore
- Electrical, electronics and plumbing
- Railways, mining and timber construction
Why Choose Adloy Fasteners?
- Manufacturer with full custom washer 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