Washers
Metric
Inch| Product | Size | Hardness | Standard | |
|---|---|---|---|---|
| Square Section Spring Washer |
|
3mm to 39mm | HV (430 to 530) | DIN 7980 |
| Flat Section Spring Washer |
|
3mm to 39mm | HV (430 to 530) | DIN 127 B |
| Hardened Washer |
|
12mm to 30mm | HV (300 to 370) | IS 2016 |
| Hardened Steel Washer |
|
12mm to 56mm | Rockwell 26 to 45 (HDG) Rockwell 38 to 45 (Coated) |
ASTM F436M |
| Product | Size | Tensile Strength | Standard | |
|---|---|---|---|---|
| USS Plain Washer |
|
1/4 to 1 1/2 | HRC 38-45 | ASME B18.21.1-A |
| SAE Plain Washer |
|
1/4 to 2 | HRC 38-45 (Coated) HRC 26-45 (HDG) |
ASME B18.21.1-A |
| Spring-Lock Washer |
|
1/4 to 1 1/2 | HRC 38-46 | ASME B18.21.1 |
| Hardened Washer |
|
1/4 to 1 3/8 | HRC 38-45 (Coated) HRC 26-45 (HDG) |
ASTM F436 |
Pratham Fasteners is a trusted Unbrako Dealer and Unbrako Distributor supplying high-quality Washers for industrial, engineering, construction, automotive, fabrication, and manufacturing applications. Our range of Unbrako Washers is designed to support secure fastening assemblies by providing reliable load distribution and proper fitment with compatible bolts and nuts. As an authorized Caparo Dealer and Caparo Distributor, we also offer genuine branded fastening solutions for a wide range of industrial requirements.
Pratham Fasteners is also an authorized Caparo Dealer and Caparo Distributor, making us a reliable source for branded industrial fasteners in India. Whether you require Washers, Unbrako Washers, or other fastening products, we support OEMs, manufacturers, contractors, fabricators, and engineering companies with genuine products, consistent quality, and dependable supply.
