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Negative Rake or Acrylic/Resin Cutter for SR, AR SR or AR S90 - Full Size Simple Rougher and Simple 90°

Regular price $19.99

Negative Rake Carbide Cutter for acrylics, resins or man made materials. Fits SR, AR SR and AR S90 full size tools. Will not fit S90D.

This negative rake replacement carbide cutter was designed to fit the Full Size Simple Rougher and the full size AR Simple 90° (tools engraved with SR, AR SR or AR S90). This cutter is for the full size tool only, it will not fit the mid size tool engraved with MSR or the Simple Start tool engraved with SSR. It will not fit the S90D either.


  • 15mm x 15mm
  • Screw required for this cutter is M6 X 1 x 8mm length.

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SPECIAL NOTE: On October 1st, 2021 the USPS changed their time in transit. They have added several days delivery time to all shipments; this applies to First Class Mail and Priority Mail. Please expect longer delivery times for any shipments going via USPS.

When will my order ship?

  • We ship as soon as possible - most of the time within 24 hours of order placement. (Orders placed on Friday after 10am CST, Saturday or Sunday will ship Monday)
  • You will receive an e-mail from us when your order ships.
  • All orders ship from Ramsey, Minnesota.
  • We ship worldwide. 
  • International orders: Shipping cost will be calculated during checkout and will NOT include your local duty and/or customs fees.

I'm a local customer, can I pick up my order?

  • Yes you can. We just need time to pack your order. You can select local pickup during checkout. We will then notify you by email or text message when your order is ready for pickup. Usually pickup orders are ready for pickup the next day. Orders placed before 10am CST may be ready the same day.
  • Our pickup hours are Mon-Thurs 8:30 am - 4:00 pm. Friday 8:30 am - Noon. 
  • Pickup Address: 7101 143rd Ave NW Suite O Ramsey. We are in the Energy Business Park located just off Highway 10. Please look for 'Harrison Specialties' on the sign outside the front door.

All items ship out of Minnesota.