The Diamond Tooling category offers a comprehensive selection of premium-grade diamond tools and accessories engineered for precision, durability, and performance in surface preparation, grinding, polishing, and cutting applications. These tools use synthetic diamond crystals to provide superior hardness and abrasion resistance, making them ideal for demanding tasks in the construction, renovation, and maintenance industries. Here’s an overview of our offerings in this category:
- Diamond Grinding Segments and Plates: Our diamond grinding segments and plates are designed for use with floor grinders and polishers to remove coatings, adhesives, and surface imperfections from concrete, stone, and other hard surfaces. Featuring high-quality diamond grits and precision-engineered designs, these segments deliver aggressive material removal and consistent results, ensuring efficient and uniform surface preparation.
- Diamond Polishing Pads and Discs: Achieve professional-quality finishes on concrete, stone, and terrazzo surfaces with our diamond polishing pads and discs. Available in various grit sizes and bond formulations, these pads are optimized for wet or dry polishing applications, delivering exceptional clarity, gloss, and smoothness. Whether you’re polishing floors, countertops, or architectural elements, our diamond polishing tools provide unmatched performance and durability.
- Diamond Saw Blades: Our diamond saw blades are engineered for cutting through a wide range of materials, including concrete, asphalt, masonry, and tile. With high-quality diamond segments and advanced bond formulations, these blades offer fast, clean cuts with minimal chipping and blade wear, maximizing productivity and extending tool life in demanding cutting applications.
- Diamond Core Bits: For drilling precise holes in concrete, masonry, and stone, our diamond core bits provide superior performance and durability. Featuring segmented or continuous rim designs and high-quality diamond segments, these core bits offer fast drilling speeds, clean hole edges, and long service life, making them ideal for plumbing, electrical, and HVAC installation projects.
Our company is committed to providing the highest quality diamond tooling solutions backed by expert support and technical assistance. Whether you’re preparing surfaces, grinding, polishing, or cutting materials, trust our Diamond Tooling category to deliver the precision, durability, and performance you need to achieve exceptional project results. Our comprehensive selection of diamond tools and accessories empowers our customers to confidently and efficiently tackle the most challenging tasks.
Diamond Tooling
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Diamond Tooling, Equipment & Instruments
STI #0 Surface Prep Tool
- Metal-bond surface prep tool for concrete
- Also known as the 3SEG Oval Tool
- Removes carpet glue, mastic, adhesives, thin-set, mortar residue, and epoxy coatings up to ~4mm
- Levels surface inequalities/high spots of about ±4mm
- Oval, three-segment design for a consistent finish
- Leaves an 80-grit-sandpaper style profile
- Patented EG attachment for Prep/Master® machines
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Diamond Tooling, Equipment & Instruments
STI #00 Surface Prep Tool
- Combination PCD + metal-bond construction for aggressive surface preparation
- Removes carpet glue, mastic, adhesives, thin-set, mortar residue, and epoxy coatings up to ~4mm
- Levels surface irregularities/high spots of approximately ±4mm
- Leaves a rough profile with grooves up to 1mm deep
- Patented EG attachment for all Prep/Master® floor grinders
- Directional tooling requiring matched #00R and #00L sets
- Dry use only; dust collection required
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Diamond Tooling, Equipment & Instruments
STI 10 Seg Diamond Segments
- Metal-bond diamond grinding tool with a 10-segment design.
- Designed for grinding, leveling, and profiling concrete floors.
- Ideal for surface preparation before coatings or polishing.
- Removes minor high spots and opens the concrete surface.
- Patented EG Quick Change attachment for STI Prep/Master® machines.
- Available in multiple bond hardnesses and grit sizes.
- Soft bond recommended for hard concrete; hard bond for soft concrete.
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Diamond Tooling, Equipment & Instruments
STI 3″ Ceramic Diamonds
- Ceramic diamond polishing pads for medium-strength concrete
- Designed for thorough scratch removal
- 3″ (76 mm) diameter pad
- Velcro®-backed for quick and secure attachment
- Dry-use only
- Ideal for intermediate concrete polishing stages
- Provides a smooth surface for subsequent polishing steps
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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.















