Diamond Tooling
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Showing 13–24 of 80 results
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Diamond Tooling, Equipment & Instruments
STI 8 Segment Daisy’s
- Metal-bond diamond tool with an 8-segment daisy pattern.
- Designed for grinding, leveling, and profiling concrete floors.
- Provides smooth, even, and consistent surface coverage.
- Ideal for surface preparation before coatings or polishing.
- Suitable for polishing preparation on concrete, granite, and terrazzo.
- Manufactured with sintered diamond technology for smooth cutting performance.
- Patented EG Quick Change attachment for STI Prep/Master® machines.
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Diamond Tooling, Equipment & Instruments
STI Backer Pads
- Available in 3″, 5″, and 7″ sizes.
- Offered in rigid and rubber (flexible) versions.
- Designed to support resin polishing pads.
- Hook-and-loop (Velcro) face for quick and secure pad attachment.
- Standard 5/8″-11 threaded arbor fits most variable-speed hand grinders.
- Rigid backers provide even contact on flat, level surfaces.
- Flexible rubber backers adapt to uneven floors, contours, and edge work.
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Diamond Tooling, Equipment & Instruments
STI Bolt for Oversized Tool Plates
- Replacement bolt for oversized tool plates
- Designed for IMPACTS® Prep/Master 2807 and Prep/Master 3030 floor grinders
- Secures the oversized tool plate during operation
- Direct-fit replacement component
- Replaces worn, damaged, or missing hardware
- Two bolts required per oversized tool plate
- Supports secure installation and reliable grinding performance
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Diamond Tooling, Equipment & Instruments
STI CASH Pads
- Resin-bond diamond polishing pads for concrete, terrazzo, and marble
- Designed for high-gloss polishing and surface refinement
- Available in a complete progression of grits for a smooth finish
- Can be used wet or dry
- Step-by-step scratch removal for a cleaner, more reflective result
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Diamond Tooling, Equipment & Instruments
STI CLC Diamond System
- Complete 7-step diamond polishing system for Prep/Master® grinders
- Matched metal- and resin-bond tools for consistent, repeatable results
- Color-coded red tooling for easy system identification
- Combination of wet and dry polishing stages for optimized performance
- Patented EG attachment on metal-bond tools
- Long-lasting diamond tooling for extended productivity
- Designed for high-gloss concrete polishing
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Diamond Tooling, Equipment & Instruments
STI Diamond Disc Driver
- Round driver plate for grinding and surface preparation applications
- Accommodates up to six rubber pad holders or prep tools
- High-impact polyethylene construction for durability
- Universal mounting arbor with twist-lock attachment
- Quick and secure tool installation
- Designed for reliable performance in demanding applications
- Available in 17 in., 20 in., and 20 in. with aluminum pad holders
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Diamond Tooling, Equipment & Instruments
STI Directional Double PCD Prep Tool
- Aggressive double PCD (polycrystalline diamond) preparation tool
- Directional design for efficient coating removal
- Removes thick epoxy, coatings, glue, mastic, and heavy adhesives
- Strips concrete surfaces down to bare concrete quickly
- PCD technology shears coatings instead of grinding through them
- Ideal for materials that clog or wear conventional diamond tooling
- Designed for dry coating and adhesive removal
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Diamond Tooling, Equipment & Instruments
STI Double Bar Prep Tool
- Two bar-shaped metal-bond diamond segments
- Designed for grinding and preparing concrete surfaces
- Ideal for surface profiling before coatings or polishing
- Suitable for the metal-bond grinding stages of surface preparation
- Compatible with planetary grinders, including imported machines
- Available in soft, medium, and hard bond options
- 30-grit configuration for efficient material removal
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Diamond Tooling, Equipment & Instruments
STI Double Round Prep Tool
- Two round metal-bond diamond grinding segments
- Designed for grinding and preparing concrete surfaces
- Greater surface contact and coverage than single-round tooling
- Ideal for surface profiling before coatings or polishing
- Compatible with planetary grinders, including imported machines
- Available in soft, medium, and hard bond options
- Grit options: 16, 30, 60, and 120
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Diamond Tooling, Equipment & Instruments
STI Dual Segment Red Traps
- Designed exclusively for Prep/Master® Junior grinders.
- Fast-cutting dual-segment metal-bond diamond tool.
- Removes epoxy, adhesives, thin-set, and cure-and-seal coatings.
- Excellent for grinding, leveling, and profiling concrete surfaces.
- Ideal for preparing hard-troweled concrete floors.
- Available only in 30 Grit Soft Bond.
- Features STI’s EG Quick Change attachment for fast installation.
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Diamond Tooling, Equipment & Instruments
STI Edge Plate – Prep Master 2807 & 2818
- Cuts within ½” (1.27 cm) of walls and edges.
- Eliminates the need for hand grinding along room perimeters.
- Holds all STI tooling and diamond accessories.
- Covers 66% more floor area than STI’s previous tool plate.
- Designed specifically for Prep/Master® 2807 & 2818 grinders.
- Genuine STI replacement part.
- Improves productivity by enabling complete floor grinding with a single machine.
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Diamond Tooling, Equipment & Instruments
STI Edge Plate – Prep Master 3030 & 3038
- Genuine STI edge-grinding tool plate
- Designed for Prep/Master® 3030 (Serial #1255 and newer)
- Compatible with Prep/Master® 3038
- Grinds within ½” (1.27 cm) of walls
- Eliminates most hand-grinding at edges
- Holds all STI tooling and diamond accessories
- Covers 66% more square footage than the previous STI tool plate



























