Metric Stainless Flat Washers

Metric Stainless Flat Washers sit under a bolt head or nut to spread the clamp load and protect the work surface. The right washer protects the joint, spreads the load, and keeps the fastener from working loose over time. South Coast Fasteners keeps Metric Stainless Flat Washers in stock and ready to ship, with fast 3-5 day shipping. Popular options include 18-8 metric stainless flat washers and 316 metric stainless flat washers.

Product Name	Bolt or Screw Size	Inside Diameter	Outside Diameter	Thickness	Material
4.23000	M1.6 (1.7 MM x 4 MM x 0.3 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369012	M1	1.7 MM	4 MM	.3 MM	Stainless Steel A2 (18-8)	View Details
4.46000	M2 (2.2 MM x 5 MM x 0.3 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369014	M2	2.2 MM	5 MM	0.3 MM	Stainless Steel A2 (18-8)	View Details
4.77000	M2.5 (2.7 MM x 6 MM x 0.5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369015	M2.5	2.7 MM	6 MM	0.5 MM	Stainless Steel A2 (18-8)	View Details
5.07500	M3 (3.2 MM x 7 MM x 0.5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369016	M3	3.2 MM	7 MM	0.5 MM	Stainless Steel A2 (18-8)	View Details
5.15500	M3.5 (3.7 MM x 8 MM x 0.5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369017	M3	3.7 MM	8 MM	0.5 MM	Stainless Steel A2 (18-8)	View Details
5.23000	M4 (4.3 MM x 9 MM x 0.8 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369018	M4	4.3 MM	9 MM	0.8 MM	Stainless Steel A2 (18-8)	View Details
1.40000	M5 (5.3 MM x 10 MM x 1 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369020	M5	5.3 MM	10 MM	1 MM	Stainless Steel A2 (18-8)	View Details
2.18900	M6 (6.4 MM x 12 MM x 1.6 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369021	M6	6.4 MM	12 MM	1.6 MM	Stainless Steel A2 (18-8)	View Details
3.78500	M8 (8.4 MM x 17 MM x 1.6 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369023	M8	8.4 MM	16 MM	1.6 MM	Stainless Steel A2 (18-8)	View Details
7.36900	M10 (10.5 MM x 20 MM x 2 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (304)	369024	M10	10.5 MM	20 MM	2 MM	Stainless Steel A2 (304)	View Details
12.60000	M12 (13 MM x 24 MM x 2.5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369025	M12	13 MM	24 MM	2.5 MM	Stainless Steel A2 (18-8)	View Details
17.67700	M14 (15 MM x 28 MM x 2.5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369026	M14	15 MM	28 MM	2.5 MM	Stainless Steel A2 (18-8)	View Details
10.51550	M16 (17 MM x 30 MM x 3 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369027	M16	17 MM	30 MM	3 MM	Stainless Steel A2 (18-8)	View Details
12.90750	M18 (19 MM x 34 MM x 3 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369028	M18	19 MM	34 MM	3 MM	Stainless Steel A2 (18-8)	View Details
14.67700	M20 (21 MM x 37 MM x 3 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369029	M20	21 MM	37 MM	3 MM	Stainless Steel A2 (18-8)	View Details
14.28850	M24 (25 MM x 44 MM x 4 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369033	M24	25 MM	44 MM	4 MM	Stainless Steel A2 (18-8)	View Details
38.63080	M36 (37 MM x 66 MM x 5 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369040	M36	37 MM	66 MM	5 MM	Stainless Steel A2 (18-8)	View Details
57.33450	M39 (40 MM x 72 MM x 6 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369050	M39	40 MM	72 MM	6 MM	Stainless Steel A2 (18-8)	View Details
8.41500	M7 (7.4 MM x 14 MM x 1.6 MM) Metric Flat Washers, DIN 125A, Stainless Steel A2 (18-8)	369070	M7	7.4 MM	14 MM	1.6 MM	Stainless Steel A2 (18-8)	View Details
1.86200	M6 (6.4 MM x 12 MM x 1.6 MM) Metric Flat Washers, DIN 125A, Stainless Steel A4 (316)	369121	M6	6.4 MM	12 MM	1.6 MM	Stainless Steel A4 (316)	View Details

Showing 1-20 of 90 Results

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Showing 1-20 of 90 Results

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Materials and Finishes

Metric Stainless Flat Washers run from general-purpose carbon steel up to high-strength alloy and stainless, finished anywhere from plain and zinc to hot-dip galvanized for wet or outdoor work. Pair them with fasteners, Fender washers, and environmental to round out the assembly.

How to Choose

Start with the diameter, thread pitch, and length your assembly needs, then choose a grade that carries the working load and a finish suited to the environment. Step up to alloy or stainless when strength or corrosion resistance is critical.

Metric Stainless Flat Washers Industry Applications

Metric Stainless Flat Washers show up across a wide range of industries and applications. Chemical processing and fabrication add tension to keep joints tight with them, while HVAC and construction back oversized and soft-material holes with them. Plain, zinc, and stainless, in SAE, USS, and structural sizes matched to the bolt diameter. Stocked in stainless for corrosion resistance.

Frequently Asked Questions

What materials and finishes are metric stainless flat washers available in?

Metric Stainless Flat Washers run from general-purpose carbon steel up to high-strength alloy and stainless, finished anywhere from plain and zinc to hot-dip galvanized for wet or outdoor work. Common options include flat washers and nylon flat washers.

What are metric stainless flat washers used for?

Metric Stainless Flat Washers see daily use across chemical processing, fabrication, HVAC, and construction, from structural framing and heavy equipment to machinery and general repair.

How do I choose the right metric stainless flat washers?

Can I order in bulk or request a quote?

Yes. Stock covers small orders and full production runs. Reach out for a quote or product help.

Why Choose South Coast Fasteners?

We are a single source for fasteners, PPE, hand tools, cutting tools, abrasives, and industrial supplies, priced to compete and shipped fast by a crew that uses this gear every day. We also stock Bolts and Finished Hex Nuts.