Industrial Fastener · Washers Series
Flat Washer
DIN 125 flat washers are the standard general-purpose washer, used to distribute clamping load and protect the surface under a bolt head or nut. OD is approximately 2 × bolt diameter.
Product Overview
Flat Washer sourcing essentials
DIN 125 flat washers are the standard general-purpose washer, used to distribute clamping load and protect the surface under a bolt head or nut. OD is approximately 2 × bolt diameter.
DIN 125 A (chamfered), DIN 125 B (no chamfer), ISO 7089
Carbon steel, Stainless 304/316
DIN 125 flat washers are the standard general-purpose washer, used to distribute clamping load and protect the surface under a bolt head or nut....
Inspection records, lot labels, certificate options, and destination-ready packing.
Technical Data
Specification range
Final dimensions, mechanical properties, finish, and packing are confirmed against the RFQ and applicable standard.
| Standards | DIN 125 A (chamfered), DIN 125 B (no chamfer), ISO 7089 |
|---|---|
| Size Range | M3 – M48 |
| Thickness | Per standard, typically 0.3 – 4 mm depending on size |
| Material | Carbon steel, Stainless 304/316 |
| Surface Finish | Plain, Zinc plated, HDG, Stainless |
Common surface finishes
Select an option to review its sourcing note. Exact coating system, thickness, and corrosion requirement are confirmed with the order.
Quality Control
Checked before consolidation and export
Each order is matched to the specified standard and verified at practical control points before shipment.
RFQ confirmation
Standard, size, grade, pitch, finish, certificates, packing, and destination are locked before production.
Lot verification
Critical dimensions, thread fit, markings, finish appearance, and packing labels are sampled and recorded.
Shipment approval
Photos and required reports are organized before consolidated loading and export documentation.
Buyer Questions
Frequently asked questions
DIN 125 vs ISO 7089 — are they the same?
Very close but not identical. ISO 7089 has slightly different OD on a few sizes than DIN 125. For most applications they are interchangeable. ISO 7089 is the international successor.
Ready to quote Flat Washer?
Send the standard, size, grade, finish, quantity, packing requirement, and destination. Availability and lead time are confirmed with the inquiry.