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Restore your DMB-820 Magnum-Force permanent magnetic surface grinder chuck with genuine MCR-08 repair parts from Suburban Tool. This OEM parts group is built around the 7-5/8" back rail assembly (two required), along with the rails and hardware that see the heaviest use in daily grinding.

Made to the original DMB-820 dimensions, every component reestablishes true fit, holding power, and repeatable accuracy on the surface grinder.

  • Genuine Suburban Tool OEM replacement parts for the DMB-820 chuck
  • MCR-08 7-5/8" back rail assembly, two required per rebuild
  • Matching 7-5/8" side rail assembly for full-perimeter support
  • Cam kit, hold-down clamps, and handle assembly available to finish the job
  • Restores clamping and magnetic performance without replacing the entire chuck
  • Made in the USA by Suburban Tool

Suburban Tool

DMB-820 — Repair Parts

SKU MCR-08
$53.55

Restore your DMB-820 Magnum-Force permanent magnetic surface grinder chuck with genuine MCR-08 repair parts from Suburban Tool. This OEM parts group is built around the 7-5/8" back rail assembly (two required), along with the rails and hardware that see the heaviest use in daily grinding.

Made to the original DMB-820 dimensions, every component reestablishes true fit, holding power, and repeatable accuracy on the surface grinder.

  • Genuine Suburban Tool OEM replacement parts for the DMB-820 chuck
  • MCR-08 7-5/8" back rail assembly, two required per rebuild
  • Matching 7-5/8" side rail assembly for full-perimeter support
  • Cam kit, hold-down clamps, and handle assembly available to finish the job
  • Restores clamping and magnetic performance without replacing the entire chuck
  • Made in the USA by Suburban Tool
$53.55
Part:

Allow up to 2 days for order processing. Items not in stock are made to order in Auburn Hills, Michigan; we email you the expected date, and they ship separately with their own shipping charge.

∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology ∼ Made in Auburn Hills, Michigan ∼ America’s Toolmaker for 60+ Years ∼ Precision Workholding & Metrology

Restore your DMB-820 Magnum-Force permanent magnetic surface grinder chuck with genuine MCR-08 repair parts from Suburban Tool. This OEM parts group is built around the 7-5/8" back rail assembly (two required), along with the rails and hardware that see the heaviest use in daily grinding.

Made to the original DMB-820 dimensions, every component reestablishes true fit, holding power, and repeatable accuracy on the surface grinder.

  • Genuine Suburban Tool OEM replacement parts for the DMB-820 chuck
  • MCR-08 7-5/8" back rail assembly, two required per rebuild
  • Matching 7-5/8" side rail assembly for full-perimeter support
  • Cam kit, hold-down clamps, and handle assembly available to finish the job
  • Restores clamping and magnetic performance without replacing the entire chuck
  • Made in the USA by Suburban Tool

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See It In Action

  • Made in Auburn Hills, Michigan

    Precision workholding and metrology since the 1960s

  • UPS shipping on tools 80 lb and under

    Heavier tools are quoted by phone

  • Questions? Call (248) 391-7800

    Or email tools@subtool.com for a quote