Drum and Shaft for HMR and TMO Cutters *HMR Cutters: Tugsten carbide cutters commonly used for leveling high spots on concrete or asphalt, grooving concrete, tough line removal applications, sidewalk trip hazards, and stubborn thin-set removal. **TMO...

PCDs for your Helix or 8274-4 grinder are sold as individual segments. Each PCD needs Qty 1 Holder and Qty 1 Shoe to make a complete piece of tooling. The Helix and 8274-4 planetary grinders each have 3 satellites, and each satellite will hold 2 pieces...

The 9510 series is a 3-segment metal bond diamond designed for use with National's small planetary grinders.  This diamond tooling is ideal for profiling concrete and is one of the steps in the prep and polishing process with the Helix or 8274-4...

The 9508 series is a full bar metal bond diamond for use with National's Helix and 8274-4 planetary concrete grinders.  This tooling is available in a soft and medium bond diamond matrix and is meant for use on MEDIUM to HARD concrete for the...

The 9507 tooling series is a half-bar metal bond diamond designed for use with National's Helix and 8274-4 planetary concrete grinders.  This half-bar diamond is designed for the removal of thin epoxy, paint, adhesives, and sealers.  9507-6MB...

The 9504-25 is a super soft single bar diamond insert designed for use with National's Helix and 8274-4 planetary concrete grinders.  This 25 Grit, concrete prep diamond is for use on extremely aggressive coating removal.  It has a supersoft...

Our 5-inch velcro polishing pads are used with our 8274-4 and Helix planetary grinders and follows your prep diamond steps.  Polishing your floor is a multi-step process, starting with a full bar diamond to break the surface tension and several...

The 9245 velcro adaptor plate is used on the Helix and 8274-4 planetary grinders.  This plate magnetically clips into place on the satellites of both 110V grinders. The velcro pads are the attachement for the polishing pads in the final step of...

This shank is designed for the removal of ceramic tile and hard goods.   The 7281-2 is a 6"L x 2"W x .500" *This tooling is designed for use with the 6280HD Walk-behind Scraper

The 7280-4 is the replacement assembly for the 6280HD shanks.

Designed for VCT and adhesive re-scraper, these 1" blades also work well for parking deck coatings, epoxy, and elastomeric coatings.   The 1" blades are for use with the 6280HD and any of National's Ride-on Scrapers.   This blade...