M5 Lock Thumb Washer

★★★★★ 5.0 143 reviews

US$0.62
Price when purchased online
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US$0.62
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 248408329 Release Date 2026/09/03 List Price US$0.62 Model Number 248408329
Category

M5 Lock Thumb Washer (Stainless Steel)

A stainless steel internal/external tooth lock washer sized for M5 hardware, commonly used to keep grounds trays, manual group knobs, and doser hardware from working loose over time.

SPECIFICATIONS

  • Internal/external diameter: ø5.3/10 mm
  • Thickness: 0.6 mm
  • Material: stainless steel
  • Standard: UNI 8842 A / DIN 6798 A

COMPATIBILITY

  • Fits: Rancilio RE manual group, Rancilio MD 50/80 grinders, La San Marco NS-85 manual group, La San Marco 90/91/95/96 grinder dosers
  • Replaces: N/A
  • Works with: Mazzer Mini grounds tray clip (secures the clip in place)

INSTALLATION

A basic hand-tool fastener swap suitable for DIY.

PRO TIPS

  • This washer crosses over so many machines that it's worth keeping a few spares on hand for routine group or doser maintenance.

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5 out of 5
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143 ratings | 59 reviews
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