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Flat Washers


Looking for Flat Washers?

MF Supply is a trusted supplier of flat washers in inch/imperial sizes, including SAE, USS, type b narrow, type b wide, type b regular, and flat machine screw washers, to OEMs & manufacturers.

Stock sizes include: 1/4 through 3 inches, and #0 through #12 in 300 series stainless steel, 316 stainless steel, aluminum, black nylon, nylon, stainless steel, stainless steel black oxide, steel black oxide, steel black zinc, steel hot dip galvanized, steel plain, steel zinc, steel zinc, and steel zinc yellow.

Scroll down to find your size, or search by part number.

Add to Cart and buy online or email us for a custom quote. Most popular products are in stock and ship within 24 hours.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!
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#0 Flat Washer Type B Narrow Series 300 Series Stainless Steel #0 Flat Washer Type B Narrow Series 300 Series Stainless Steel [10000 PER BOX]
Price per Box: $342.15 / Quantity Discounts Available
#0 Flat Washer Type B Regular Series 300 Series Stainless Steel #0 Flat Washer Type B Regular Series 300 Series Stainless Steel [10000 PER BOX]
Price per Box: $300.00 / Quantity Discounts Available
#0 Flat Washer Type B Wide Series 300 Series Stainless Steel #0 Flat Washer Type B Wide Series 300 Series Stainless Steel [10000 PER BOX]
Price per Box: $171.15 / Quantity Discounts Available
1-1/8 USS Flat Washer Steel Zinc 1-1/8 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $116.63
1-1/8 Flat Washer Type B Narrow Series 300 Series Stainless Steel 1-1/8 Flat Washer Type B Narrow Series 300 Series Stainless Steel [100 PER BOX]
Price per Box: $588.63 / Quantity Discounts Available
1-1/8 Flat Washer Type B Regular Series 300 Series Stainless Steel 1-1/8 Flat Washer Type B Regular Series 300 Series Stainless Steel [25 PER BOX]
Price per Box: $209.25 / Quantity Discounts Available
1-1/4 USS Flat Washer Steel Zinc 1-1/4 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $106.50
1-1/4 USS Flat Washer Steel Zinc 1-1/4 USS Flat Washer Steel Zinc [125 PER BOX]
Price per Box: $220.13 / Quantity Discounts Available
1-1/4 USS Flat Washer Thru-Hardened Steel Zinc Yellow 1-1/4 USS Flat Washer Thru-Hardened Steel Zinc Yellow [60 PER BOX]
Price per Box: $198.00 / Quantity Discounts Available
1-3/8 USS Flat Washer Steel Zinc 1-3/8 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $124.88
1-1/2 USS Flat Washer Steel Zinc 1-1/2 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $110.63
1-1/2 USS Flat Washer Steel Zinc 1-1/2 USS Flat Washer Steel Zinc [75 PER BOX]
Price per Box: $325.91 / Quantity Discounts Available
1-1/2 USS Flat Washer Thru-Hardened Steel Zinc Yellow 1-1/2 USS Flat Washer Thru-Hardened Steel Zinc Yellow [30 PER BOX]
1-5/8 USS Flat Washer Steel Zinc 1-5/8 USS Flat Washer Steel Zinc [Box of 25 lbs]
1-3/4 USS Flat Washer Steel Zinc 1-3/4 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $124.88
1-7/8 USS Flat Washer Steel Zinc 1-7/8 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $124.88
1/2 USS Flat Washer Steel Zinc 1/2 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $73.50
1/2 Flat Washer Aluminum 1/2 Flat Washer Aluminum [50 PER BOX]
Price: $22.20 Get a custom quote today!
1/2 Flat Washer Type B Narrow Series 300 Series Stainless Steel 1/2 Flat Washer Type B Narrow Series 300 Series Stainless Steel [1000 PER BOX]
Price per Box: $445.50 / Quantity Discounts Available
1/2 Flat Washer Type B Regular Series 300 Series Stainless Steel 1/2 Flat Washer Type B Regular Series 300 Series Stainless Steel [250 PER BOX]
Price per Box: $294.75 / Quantity Discounts Available
1/2 Flat Washer Type B Wide Series 300 Series Stainless Steel 1/2 Flat Washer Type B Wide Series 300 Series Stainless Steel [200 PER BOX]
Price per Box: $444.00 / Quantity Discounts Available
1/2 USS Flat Washer Steel Black Oxide 1/2 USS Flat Washer Steel Black Oxide [Box of 25 lbs]
Price per Box: $129.75
1/2 USS Flat Washer Steel Black Zinc 1/2 USS Flat Washer Steel Black Zinc [Box of 25 lbs]
Price per Box: $163.50
1/2 USS Flat Washer Steel Zinc 1/2 USS Flat Washer Steel Zinc [1200 PER BOX]
Price per Box: $567.00 / Quantity Discounts Available
1/2 USS Flat Washer Thru-Hardened Steel Plain 1/2 USS Flat Washer Thru-Hardened Steel Plain [1200 PER BOX]
Price per Box: $253.31 / Quantity Discounts Available
1/2 USS Flat Washer Thru-Hardened Steel Zinc Yellow 1/2 USS Flat Washer Thru-Hardened Steel Zinc Yellow [400 PER BOX]
Price per Box: $119.88 / Quantity Discounts Available
1/2 USS Flat Washer Steel Hot Dip Galvanized 1/2 USS Flat Washer Steel Hot Dip Galvanized [Box of 20 lbs]
Price per Box: $89.70
1/2 USS Flat Washer Steel Hot Dip Galvanized 1/2 USS Flat Washer Steel Hot Dip Galvanized [1200 PER BOX]
Price per Box: $509.76 / Quantity Discounts Available
1/2 USS Flat Washer 316 Stainless Steel 1/2 USS Flat Washer 316 Stainless Steel [500 PER BOX]
Price per Box: $447.75 / Quantity Discounts Available
1/2 USS Flat Washer Stainless Steel 1/2 USS Flat Washer Stainless Steel [500 PER BOX]
Price per Box: $140.25 / Quantity Discounts Available
1/2 X 1.015 X .071 Flat Washer Type B Narrow Series Steel Zinc 1/2 X 1.015 X .071 Flat Washer Type B Narrow Series Steel Zinc [2500 PER BOX]
Price per Box: $658.05 / Quantity Discounts Available
1/2 X 1-1/4 X .06 Flat Washer Stainless Steel 1/2 X 1-1/4 X .06 Flat Washer Stainless Steel [1000 PER BOX]
Price per Box: $221.40 / Quantity Discounts Available
1/2 X 1.28 X .112 Flat Washer Type B Regular Series Steel Zinc 1/2 X 1.28 X .112 Flat Washer Type B Regular Series Steel Zinc [1000 PER BOX]
Price per Box: $403.38 / Quantity Discounts Available
1/2 X 1.780 X .112 Flat Washer Type B Wide Series Steel Zinc 1/2 X 1.780 X .112 Flat Washer Type B Wide Series Steel Zinc [500 PER BOX]
Price per Box: $447.75 / Quantity Discounts Available
1/2 X 3/4 X .032 Flat Washer Nylon 1/2 X 3/4 X .032 Flat Washer Nylon [5000 PER BOX]
Price per Box: $134.85 / Quantity Discounts Available
1/2 X 3/4 X .032 Flat Washer Black Nylon 1/2 X 3/4 X .032 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $135.08 / Quantity Discounts Available
1/2 X 3/4 X .062 Flat Washer Nylon 1/2 X 3/4 X .062 Flat Washer Nylon [5000 PER BOX]
Price per Box: $170.48 / Quantity Discounts Available
1/2 X 3/4 X .062 Flat Washer Black Nylon 1/2 X 3/4 X .062 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $188.85 / Quantity Discounts Available
1/2 X 3/4 X .093 Flat Washer Nylon 1/2 X 3/4 X .093 Flat Washer Nylon [5000 PER BOX]
Price per Box: $206.40 / Quantity Discounts Available
1/2 X 3/4 X .093 Flat Washer Black Nylon 1/2 X 3/4 X .093 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $206.40 / Quantity Discounts Available
1/2 USS Flat Washer Steel Zinc Yellow 1/2 USS Flat Washer Steel Zinc Yellow [Box of 25 lbs]
Price per Box: $205.88
1/4 X .515 X .071 Flat Washer Type B Narrow Series Steel Zinc 1/4 X .515 X .071 Flat Washer Type B Narrow Series Steel Zinc [5000 PER BOX]
Price per Box: $311.25 / Quantity Discounts Available
1/4 X .749 X .071 Flat Washer Type B Regular Series Steel Zinc 1/4 X .749 X .071 Flat Washer Type B Regular Series Steel Zinc [2500 PER BOX]
Price per Box: $168.75 / Quantity Discounts Available
1/4 X 1.015 X .071 Flat Washer Type B Wide Series Steel Zinc 1/4 X 1.015 X .071 Flat Washer Type B Wide Series Steel Zinc [2000 PER BOX]
Price per Box: $371.70 / Quantity Discounts Available
1/4 X 1/2 X .032 Flat Washer Nylon 1/4 X 1/2 X .032 Flat Washer Nylon [5000 PER BOX]
Price per Box: $95.70 / Quantity Discounts Available
1/4 X 1/2 X .032 Flat Washer Black Nylon 1/4 X 1/2 X .032 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $90.00 / Quantity Discounts Available
1/4 X 1/2 X .062 Flat Washer Nylon 1/4 X 1/2 X .062 Flat Washer Nylon [5000 PER BOX]
Price per Box: $126.23 / Quantity Discounts Available
1/4 X 1/2 X .062 Flat Washer Black Nylon 1/4 X 1/2 X .062 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $119.85 / Quantity Discounts Available
1/4 X 1/2 X .093 Flat Washer Nylon 1/4 X 1/2 X .093 Flat Washer Nylon [5000 PER BOX]
Price per Box: $153.45 / Quantity Discounts Available
1/4 X 1/2 X .093 Flat Washer Black Nylon 1/4 X 1/2 X .093 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $136.13 / Quantity Discounts Available
1/4 X 1/2 X .125 Flat Washer Nylon 1/4 X 1/2 X .125 Flat Washer Nylon [5000 PER BOX]
Price per Box: $171.30 / Quantity Discounts Available
1/4 X 1/2 X .125 Flat Washer Black Nylon 1/4 X 1/2 X .125 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $158.18 / Quantity Discounts Available
1/4 X 11/16 X .04 Flat Washer 316 Stainless Steel 1/4 X 11/16 X .04 Flat Washer 316 Stainless Steel [5000 PER BOX]
Price per Box: $477.45 / Quantity Discounts Available
1/4 X 3/4 X .05 Flat Washer Stainless Steel 1/4 X 3/4 X .05 Flat Washer Stainless Steel [1000 PER BOX]
Price per Box: $67.58 / Quantity Discounts Available
1/4 X 5/8 X .04 Flat Washer 316 Stainless Steel 1/4 X 5/8 X .04 Flat Washer 316 Stainless Steel [5000 PER BOX]
Price per Box: $495.00 / Quantity Discounts Available
1/4 X 5/8 X .05 Flat Washer Stainless Steel 1/4 X 5/8 X .05 Flat Washer Stainless Steel [5000 PER BOX]
Price per Box: $179.03 / Quantity Discounts Available
#10 USS Flat Washer Steel Zinc #10 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $160.50
#10 Flat Washer Aluminum #10 Flat Washer Aluminum [100 PER BOX]
Price: $4.50 Get a custom quote today!
#10 Flat Washer Type B Narrow Series 300 Series Stainless Steel #10 Flat Washer Type B Narrow Series 300 Series Stainless Steel [10000 PER BOX]
Price per Box: $904.05 / Quantity Discounts Available
#10 Flat Washer Type B Regular Series 300 Series Stainless Steel #10 Flat Washer Type B Regular Series 300 Series Stainless Steel [5000 PER BOX]
Price per Box: $517.50 / Quantity Discounts Available
#10 Flat Washer Type B Wide Series 300 Series Stainless Steel #10 Flat Washer Type B Wide Series 300 Series Stainless Steel [2000 PER BOX]
Price per Box: $524.40 / Quantity Discounts Available
#10 USS Flat Washer Steel Black Oxide #10 USS Flat Washer Steel Black Oxide [Box of 25 lbs]
Price per Box: $133.88
#10 USS Flat Washer Steel Black Zinc #10 USS Flat Washer Steel Black Zinc [Box of 25 lbs]
Price per Box: $250.50
#10 USS Flat Washer Steel Zinc #10 USS Flat Washer Steel Zinc [5000 PER BOX]
Price per Box: $326.25 / Quantity Discounts Available
#10 USS Flat Washer 316 Stainless Steel #10 USS Flat Washer 316 Stainless Steel [5000 PER BOX]
/ Quantity Discounts Available
#10 X .414 X .045 Flat Washer Type B Narrow Series Steel Zinc #10 X .414 X .045 Flat Washer Type B Narrow Series Steel Zinc [10000 PER BOX]
Price per Box: $354.45 / Quantity Discounts Available
#10 X .570 X .045 Flat Washer Type B Regular Series Steel Zinc #10 X .570 X .045 Flat Washer Type B Regular Series Steel Zinc [5000 PER BOX]
Price per Box: $270.00 / Quantity Discounts Available
#10 X .749 X .071 Flat Washer Type B Wide Series Steel Zinc #10 X .749 X .071 Flat Washer Type B Wide Series Steel Zinc [2500 PER BOX]
Price per Box: $258.00 / Quantity Discounts Available
#10 X 3/8 X .032 Flat Washer Nylon #10 X 3/8 X .032 Flat Washer Nylon [5000 PER BOX]
Price per Box: $80.63 / Quantity Discounts Available
#10 X 3/8 X .032 Flat Washer Black Nylon #10 X 3/8 X .032 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $74.48 / Quantity Discounts Available
#10 X 3/8 X .062 Flat Washer Nylon #10 X 3/8 X .062 Flat Washer Nylon [5000 PER BOX]
Price per Box: $105.15 / Quantity Discounts Available
#10 X 3/8 X .062 Flat Washer Black Nylon #10 X 3/8 X .062 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $104.18 / Quantity Discounts Available
#10 X 3/8 X .093 Flat Washer Nylon #10 X 3/8 X .093 Flat Washer Nylon [5000 PER BOX]
Price per Box: $220.20 / Quantity Discounts Available
#10 X 3/8 X .093 Flat Washer Black Nylon #10 X 3/8 X .093 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $128.48 / Quantity Discounts Available
#10 X 3/8 X .125 Flat Washer Nylon #10 X 3/8 X .125 Flat Washer Nylon [5000 PER BOX]
Price per Box: $184.95 / Quantity Discounts Available
#10 X 3/8 X .125 Flat Washer Black Nylon #10 X 3/8 X .125 Flat Washer Black Nylon [5000 PER BOX]
Price per Box: $147.23 / Quantity Discounts Available
#10 USS Flat Washer Steel Zinc Yellow #10 USS Flat Washer Steel Zinc Yellow [Box of 25 lbs]
Price per Box: $177.75
#12 Flat Washer Type B Narrow Series 300 Series Stainless Steel #12 Flat Washer Type B Narrow Series 300 Series Stainless Steel [5000 PER BOX]
Price per Box: $663.75 / Quantity Discounts Available
#12 Flat Washer Type B Regular Series 300 Series Stainless Steel #12 Flat Washer Type B Regular Series 300 Series Stainless Steel [2000 PER BOX]
Price per Box: $386.10 / Quantity Discounts Available
#12 Flat Washer Type B Wide Series 300 Series Stainless Steel #12 Flat Washer Type B Wide Series 300 Series Stainless Steel [1000 PER BOX]
Price per Box: $227.07 / Quantity Discounts Available
#12 X .466 X .045 Flat Washer Type B Narrow Series Steel Zinc #12 X .466 X .045 Flat Washer Type B Narrow Series Steel Zinc [10000 PER BOX]
Price per Box: $333.75 / Quantity Discounts Available
#12 X .640 X .071 Flat Washer Type B Regular Series Steel Zinc #12 X .640 X .071 Flat Washer Type B Regular Series Steel Zinc [5000 PER BOX]
Price per Box: $322.50 / Quantity Discounts Available
#12 X .890 X .071 Flat Washer Type B Wide Series Steel Zinc #12 X .890 X .071 Flat Washer Type B Wide Series Steel Zinc [2500 PER BOX]
Price per Box: $250.43 / Quantity Discounts Available
1/4 USS Flat Washer Steel Zinc 1/4 USS Flat Washer Steel Zinc [Box of 25 lbs]
Price per Box: $83.63
1/4 Flat Washer Aluminum 1/4 Flat Washer Aluminum [100 PER BOX]
Price per Box: $9.75 / Quantity Discounts Available
1/4 Flat Washer Type B Narrow Series 300 Series Stainless Steel 1/4 Flat Washer Type B Narrow Series 300 Series Stainless Steel [5000 PER BOX]
Price per Box: $593.40 / Quantity Discounts Available
1/4 Flat Washer Type B Regular Series 300 Series Stainless Steel 1/4 Flat Washer Type B Regular Series 300 Series Stainless Steel [2000 PER BOX]
Price per Box: $507.00 / Quantity Discounts Available
1/4 Flat Washer Type B Wide Series 300 Series Stainless Steel 1/4 Flat Washer Type B Wide Series 300 Series Stainless Steel [1000 PER BOX]
Price per Box: $350.72 / Quantity Discounts Available
1/4 USS Flat Washer Steel Black Oxide 1/4 USS Flat Washer Steel Black Oxide [Box of 25 lbs]
Price per Box: $139.88 / Quantity Discounts Available
1/4 USS Flat Washer Steel Black Zinc 1/4 USS Flat Washer Steel Black Zinc [Box of 25 lbs]
Price per Box: $173.63
   
 
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