Mutual Screw & Supply

M3 Medium Lock Washers | Steel Brass Plated (1000 / Pkg.)

M3 Medium Lock Washers | Steel Brass Plated (1000 / Pkg.) - Main image
$55.06 $88.8 In stock

These M3 lock washers are manufactured from Steel with a brass plated finish. They are well suited to preventing fastener loosening under vibration.

  • Material and finish: Steel, Brass Plated finish
  • Thread size: M3
  • Applications: Preventing fastener loosening under vibration

Specifications

  • Product type: Lock Washers
  • Material: Steel
  • Finish: Brass Plated
  • Thread size: M3
  • Measurement type: Metric
  • Pack quantity: 1000 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Sofia ★★★★★

Used these on my 3D printer's linear rail mounts, and the brass plating makes them easy to spot against black anodized aluminum. They bite in well and haven't loosened despite the constant vibration.

Mia ★★★★★

Tossed a handful of these onto my M3 bolts and they seated perfectly flat, no wobble or snagging while I was tightening a batch. The brass plating gives them a subtle golden sheen that looks surprisingly classy on my build. A thousand in the bag means I won't be reordering for a long while.

Avery B. ★★★★★

These washers have a nice brass-plated sheen that made them easy to spot against the steel bolts I used them on, and the plating kept them from rusting after a few damp days. Counted out a hundred for a prototype batch and they were all consistent, no bent or flattened pieces. Locking them under vib