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Alpha® Hex Wrench 31 mm for Twincur GEM & GEM-V

The Alpha® 31 mm Hex Wrench (Part No. 520000) is the OEM service tool for changing the spindle nut on Alpha® Twincur® GEM and GEM-V edge-polishing wheel adapters (EGV5SNL / EGV6SNL). The 31 mm hex matches the factory nut so the adapter can be removed and reinstalled without rounding flats or scoring the housing.

Features

  • OEM 31 mm hex wrench specifically sized for Twincur GEM and GEM-V adapter nuts
  • Required for installing or removing the EGV5SNL (5") and EGV6SNL (6") snail-lock adapters
  • Heavy-gauge steel, approx. 12" long for sufficient leverage
  • Single-piece tool — no moving parts to wear out
Part No. Size Type Recommended For UPC Country of Origin
520000 31 mm Hex Wrench Alpha® Twincur GEM / GEM-V adapters 749173462153 China
  1. Disconnect power and water from the edge-polishing machine before any service work.
  2. Engage the 31 mm hex over the spindle nut on the GEM / GEM-V adapter.
  3. Hold the spindle stationary using the machine spindle lock (or factory backup wrench).
  4. Turn the wrench to loosen or tighten the nut — do not use cheaters or pneumatic impact.
  5. Wipe the threads and the wrench clean of slurry after each use; store dry to prevent rust.
31 mm hex — Service wrench — 520000
Part No. 520000
UPC 749173462153
Size 31 mm hex
Type Service wrench
Recommended For Alpha® Twincur GEM & GEM-V adapter nuts (EGV5SNL / EGV6SNL)
Packaged Weight 1.00 lbs
Package Dimensions 12" x 1.5" x 0.5"
Country of Origin China
Property Detail
Hex Size 31 mm
Approx. Length 12"
Material Steel
Intended Use Service tool for Alpha® Twincur GEM / GEM-V adapter nut
Country of Origin China
What is this wrench used for?

It is the OEM service tool for tightening and loosening the 31 mm spindle nut on Alpha Twincur GEM and GEM-V snail-lock adapters (EGV5SNL and EGV6SNL).

Will this fit other Alpha machines?

It is specified for the GEM and GEM-V adapter nut. For other Alpha tools, check the service documentation for the correct wrench size.

Can I use an impact wrench with this?

No. Use hand torque only. Impact tools can damage the adapter housing and spindle threads.

No product-specific videos are currently available from the manufacturer or DST.

⚠ WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov. Always wear appropriate PPE.