# Diamond Grinding Plates — B2B Industrial Specification Monograph | Newtech Sources Co., Ltd.

> Heavy-duty diamond grinding plates and planetary floor grinder segments tailored to soft, medium, and hard concrete bond requirements.

## 1. Category Procurement & Engineering Summary
- **Manufacturer**: Newtech Sources Co., Ltd. (Founded 1998, Guangzhou, China · Tax ID / USCC: 914401067124673119)
- **Canonical Category Hub**: https://newtech-sources.com/products/category/diamond-grinding-plates
- **Active Series in Category**: 7 published industrial product series
- **Engineering Tolerance Benchmark**: Engineered to EN 13236 & ANSI B7.1 dimensional concentricity, segment shear-torque, and rotational safety tolerances
- **OEM / ODM Policy**: Process-by-requirement custom dimensions, alloy/bond formulation, laser marking, and private-label packaging
- **Quality Verification**: 100% Pre-Shipment Dimensional & Visual Inspection prior to dispatch
- **Port of Loading**: Flexible FOB & mixed-container consolidation from any port in China
- **Direct RFQ Endpoint**: https://newtech-sources.com/contact | Email: sales@newtech-sources.com
- **Parent Summary Index**: https://newtech-sources.com/llms.txt

## 2. Quick Comparison Matrix

| Model / SKU | Product Series | Dimensional / Key Summary | MOQ | Canonical URL |
| --- | --- | --- | --- | --- |
| NT-DGP-102 | Trapezoid Planetary Floor Grinding Plate (Hard Bond Series) | 100mm (4.0") to 180mm (7.0") (100mm (4.0"), 115mm (4.5"), 125mm (5.0"), 180mm (7.0")) | 50 Pieces | https://newtech-sources.com/products/trapezoid-planetary-floor-grinding-plate-hard-bond |
| NT-DGP-106 | Redi-Lock Quick-Change Rhomboid Segment Concrete Floor Grinding Block | Slide-in quick-change diamond grinding shoe compatible with Redi-Lock syste | 50 Pcs | https://newtech-sources.com/products/red-lock-quick-change-rhomboid-floor-grinding-block |
| NT-DGP-104 | Trapezoid 2-Segment Bolt-On Planetary Floor Grinding Shoe (Universal Fit) | Universal trapezoid bolt-on grinding shoe featuring dual rectangular diamon | 50 Pcs | https://newtech-sources.com/products/trapezoid-2-segment-planetary-floor-grinding-shoe |
| NT-DGP-101 | 250mm (10") 20-Segment Heavy-Duty Concrete Floor Grinder Disc (Hard Bond) | 250 mm (10") to 230 mm (9") (250 mm (10"), 230 mm (9")) | 20 Pcs | https://newtech-sources.com/products/diamond-grinding-plates |
| NT-DGP-105 | PCD (Polycrystalline Diamond) Thick Epoxy & Coating Removal Floor Scraper Shoe | Heavy-duty PCD scraper shoe with sacrificial carbide wear segments, strippi | 30 Pcs | https://newtech-sources.com/products/pcd-epoxy-coating-removal-floor-scraper-shoe |
| NT-DGP-107 | Dovetailed Wedge-Lock Twin-Bar Diamond Floor Grinding Segment Block | Heavy-duty dovetail wedge-lock diamond grinding shoe with twin bar segments | 50 Pcs | https://newtech-sources.com/products/dovetailed-wedge-lock-twin-bar-floor-grinding-block |
| NT-DGP-103 | 250mm (10") Arrow-Segment Concrete Floor Preparation Grinding Plate | 250 mm (10") | 20 Pcs | https://newtech-sources.com/products/250mm-arrow-segment-concrete-floor-grinding-plate |

## 3. Detailed Technical Specifications (7 Series)

### 3.1 Trapezoid Planetary Floor Grinding Plate (Hard Bond Series) (NT-DGP-102)
- **Canonical URL**: https://newtech-sources.com/products/trapezoid-planetary-floor-grinding-plate-hard-bond
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/trapezoid-planetary-floor-grinding-plate-hard-bond.txt
- **Model / SKU**: NT-DGP-102
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 50 Pieces
- **Direct RFQ**: https://newtech-sources.com/contact?product=Trapezoid%20Planetary%20Floor%20Grinding%20Plate%20(Hard%20Bond%20Series)%20(NT-DGP-102)

**Overview**: Trapezoid Planetary Floor Grinding Plate (Hard Bond Series) (NT-DGP-102) by Newtech Sources Co., Ltd. delivers high material removal rates and balanced rotation for commercial floor preparation and concrete renovation contractors. Engineered with precision dynamic balancing and dust-extraction vent ports, this grinding wheel series supports soft, medium, and hard concrete bond formulas tailored to buyer specifications.

**Engineering Highlights**:
- Precision dynamic balancing eliminates operator fatigue and swirl marks on concrete floors
- Optimized dust-venting geometry maximizes air cooling and vacuum shroud extraction efficiency
- Available with 5/8"-11 UNC threads for North America and 22.23mm / M14 bores for Europe
- Custom diamond concentration and bond hardness matched to epoxy, mastic, or hard concrete

**Target Materials & Applications**: Concrete floor leveling, high-spot grinding, and form-mark removal, Epoxy, urethane, thinset mortar, and elastomeric waterproof coating removal, Granite, marble, and architectural precast stone surface smoothing, Industrial warehouse floor prep prior to polishing or self-leveling overlay

**Technical Specifications**:
| bore | size | model | segment |
| --- | --- | --- | --- |
| 22.23mm (7/8") or 5/8"-11 | 100mm (4.0") | NT-DGP-102-100 | 5.5mm Height / #30/40 |
| 22.23mm (7/8") or 5/8"-11 | 115mm (4.5") | NT-DGP-102-115 | 5.5mm Height / #30/40 |
| 22.23mm (7/8") or M14 | 125mm (5.0") | NT-DGP-102-125 | 6.0mm Height / #30/40 |
| 22.23mm (7/8") or 5/8"-11 | 180mm (7.0") | NT-DGP-102-180 | 6.0mm Height / #30/40 |

| Parameter | Specification |
| --- | --- |
| Compatible Equipment | Handheld Angle Grinders, Concrete Floor Grinders, Planetary Walk-Behind Grinders |
| Diamond Grit Options | #16/20 (Coarse), #30/40 (Medium), #60/80 (Fine), #120 (Polishing) |
| Arbor / Thread Options | 22.23mm (7/8") Non-Threaded, M14 Threaded, 5/8"-11 UNC Threaded |
| Working Segment Height | 5mm (0.20") / 6mm (0.24") / 8mm (0.31") |
| Diameter Range (Metric / Imperial) | 100mm (4"), 115mm (4.5"), 125mm (5"), 150mm (6"), 180mm (7") |

### 3.2 Redi-Lock Quick-Change Rhomboid Segment Concrete Floor Grinding Block (NT-DGP-106)
- **Canonical URL**: https://newtech-sources.com/products/red-lock-quick-change-rhomboid-floor-grinding-block
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/red-lock-quick-change-rhomboid-floor-grinding-block.txt
- **Model / SKU**: NT-DGP-106
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Redi-Lock%20Quick-Change%20Rhomboid%20Segment%20Concrete%20Floor%20Grinding%20Block%20(NT-DGP-106)

**Overview**: Engineered for contractors demanding maximum job-site efficiency. The precision-cast quick-change wing slips smoothly into Redi-Lock compatible planetary grinding heads and locks securely under centrifugal working rotation. The rhomboid diamond segment delivers aggressive stock removal with clean scratch patterns, making progressive grit transitions fast and predictable. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- Bolt-free slide-in Redi-Lock profile cuts jobsite tooling changeover time to under 2 minutes per machine
- Angled rhomboid leading edges slice smoothly across expansion joints without segment chipping
- Available in single-segment (high point pressure for hard caps) or double-segment (long wear life on abrasive slabs)
- Custom grit-stamped and color-coded OEM fleet packaging for concrete polishing distributors

**Target Materials & Applications**: Commercial & warehouse concrete slab preparation and cream/salt-and-pepper polishing, Removal of rain-damaged laitance, trowel marks & thin sealers, Husqvarna PG-series and Redi-Lock compatible planetary floor grinders

**Technical Specifications**:
| bond | grit | model | segments |
| --- | --- | --- | --- |
| Medium Bond | 16/20# Extra-Coarse | NT-DGP-106-16M | 2x Rhomboid / Hexagonal (13 mm H) |
| Soft Bond (Hard Troweled Slab) | 30/40# Coarse | NT-DGP-106-30S | 2x Rhomboid (13 mm H) |
| Medium Bond (Standard Concrete) | 30/40# Coarse | NT-DGP-106-30M | 2x Rhomboid (13 mm H) |
| Medium/Hard Bond | 60/80# Medium | NT-DGP-106-60M | 2x Rhomboid (13 mm H) |
| Honing Bond | 120/150# Fine | NT-DGP-106-120 | 2x Rhomboid (13 mm H) |

| Parameter | Specification |
| --- | --- |
| Mounting System | Slide-In Dovetail Slot Compatible with Husqvarna Redi-Lock Holder Plates |
| Segment Configuration | Single or Double Rhomboid / Octagonal Sintered Segments |
| Segment Height | 13 mm High-Yield Contractor Grade |
| Operation Mode | Dry Dust-Extracted or Wet Slurry Floor Grinding |

### 3.3 Trapezoid 2-Segment Bolt-On Planetary Floor Grinding Shoe (Universal Fit) (NT-DGP-104)
- **Canonical URL**: https://newtech-sources.com/products/trapezoid-2-segment-planetary-floor-grinding-shoe
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/trapezoid-2-segment-planetary-floor-grinding-shoe.txt
- **Model / SKU**: NT-DGP-104
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Trapezoid%202-Segment%20Bolt-On%20Planetary%20Floor%20Grinding%20Shoe%20(Universal%20Fit)%20(NT-DGP-104)

**Overview**: The global industry standard tooling for planetary rotary floor grinders. The trapezoid backplate with dual countersunk bolt holes fits Lavina, Terrco, EDCO, and universal grinding plates. Formulated with premium synthetic diamond crystals in soft bond (for hard concrete), medium bond (for normal concrete), and hard bond (for soft abrasive concrete). 100% pre-shipment tested for hardness and bond consistency. FOB delivery from any port in China.

**Engineering Highlights**:
- Universal 3-hole M6/M8 trapezoid footprint fits Sase, Diamatic, Xingyi, Terrco, and universal magnetic adapter plates
- Hot-pressed cobalt-bronze diamond segments maintain consistent exposure across long warehouse grinding runs
- Available in dual rectangular bar, arrow (coating prep), or round button (hard-cap opener) segment geometries
- Packed in balanced 3-piece or 9-piece planetary head sets with OEM grit/bond laser stamping

**Target Materials & Applications**: Industrial concrete slab flattening, profiling (CSP 2-3) & aggregate exposure, Thin paint/sealer removal and polished concrete initial metal-bond steps, Universal bolt-on and magnetic planetary floor grinders

**Technical Specifications**:
| bond | grit | model | segments |
| --- | --- | --- | --- |
| Hard Bond (Abrasive Soft Slab) | 16/20# Extra-Coarse | NT-DGP-104-16H | 2x 40x10x12 mm |
| Medium Bond (General Concrete) | 30/40# Coarse | NT-DGP-104-30M | 2x 40x10x12 mm |
| Soft Bond (Hard Power-Troweled) | 30/40# Coarse | NT-DGP-104-30S | 2x 40x10x12 mm |
| Medium Bond | 60/80# Medium | NT-DGP-104-80M | 2x 40x10x12 mm |
| Honing Bond | 120/150# Fine | NT-DGP-104-120 | 2x 40x10x12 mm |

| Parameter | Specification |
| --- | --- |
| Bolt Pattern | Universal Trapezoid 3x M6 / M8 Threaded + Unthreaded Combo Holes |
| Segment Shapes | Dual Rectangular Bar, Arrow, S-Curve or Round Button Options |
| Segment Height | 12 mm Standard / 15 mm Heavy Rental-Fleet Option |
| Bond Selection | 5 Hardness Grades Matched to 2,500 - 8,000+ PSI Concrete |

### 3.4 250mm (10") 20-Segment Heavy-Duty Concrete Floor Grinder Disc (Hard Bond) (NT-DGP-101)
- **Canonical URL**: https://newtech-sources.com/products/diamond-grinding-plates
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/diamond-grinding-plates.txt
- **Model / SKU**: NT-DGP-101
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 20 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=250mm%20(10%22)%2020-Segment%20Heavy-Duty%20Concrete%20Floor%20Grinder%20Disc%20(Hard%20Bond)%20(NT-DGP-101)

**Overview**: Manufactured for commercial and industrial concrete floor preparation. Features 20 premium sintered diamond blocks configured in a balanced circular pattern on a 250mm (10") heavy steel disc. The hard-bond metal matrix delivers aggressive leveling of uneven joints, high spots, and rain-damaged concrete while providing exceptional wear life on abrasive green concrete. 100% pre-shipment inspected. FOB delivery from any port in China.

**Engineering Highlights**:
- 20-segment high-contact footprint delivers flat, chatter-free stock removal and maximum square-meter wear life
- Hard-bond tungsten-carbide reinforced matrix resists premature wear on green, sandy, and abrasive concrete slabs
- Universal multi-bolt hole pattern fits standard 10" rental-fleet walk-behind grinders without adapters
- 100% spin-balanced and weld-shear verified prior to export packaging

**Target Materials & Applications**: High-footage warehouse slab smoothing, mortar residue & laitance removal, Abrasive green concrete, asphalt-overlay prep & industrial plant floors, 250 mm (10") single-head and twin-head walk-behind floor grinders

**Technical Specifications**:
| bond | grit | model | diameter | segments |
| --- | --- | --- | --- | --- |
| Hard Bond (Abrasive Concrete) | 30/40# | NT-DGP-101-250H | 250 mm (10") | 20x Rectangular (40x10x10 mm) |
| Medium Bond (Standard Concrete) | 30/40# | NT-DGP-101-250M | 250 mm (10") | 20x Rectangular (40x10x10 mm) |
| Soft Bond (Hard Cured Concrete) | 30/40# | NT-DGP-101-250S | 250 mm (10") | 20x Rectangular (40x10x10 mm) |
| Medium/Hard Bond | 30/40# | NT-DGP-101-230M | 230 mm (9") | 18x Rectangular (40x10x10 mm) |

| Parameter | Specification |
| --- | --- |
| Plate Construction | 8 mm Heavy-Duty Stress-Relieved Steel Backing Disc |
| Mounting Bore | Multi-Hole Universal Bolt Circle (Edco / Blastrac / General / Rental) |
| Segment Count | 20 High-Density Sintered Diamond Segments for Maximum Footage |
| Grinding Mode | Wet or Dry Walk-Behind Concrete Grinding |

### 3.5 PCD (Polycrystalline Diamond) Thick Epoxy & Coating Removal Floor Scraper Shoe (NT-DGP-105)
- **Canonical URL**: https://newtech-sources.com/products/pcd-epoxy-coating-removal-floor-scraper-shoe
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/pcd-epoxy-coating-removal-floor-scraper-shoe.txt
- **Model / SKU**: NT-DGP-105
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 30 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=PCD%20(Polycrystalline%20Diamond)%20Thick%20Epoxy%20%26%20Coating%20Removal%20Floor%20Scraper%20Shoe%20(NT-DGP-105)

**Overview**: Designed for fast, non-smearing removal of thick epoxy floor toppings, polyurea coatings, elastomeric waterproofing membranes, and carpet glues that clog standard diamond segments. The razor-hard polycrystalline diamond (PCD) inserts shave coatings off mechanically, while an adjacent sacrificial diamond segment controls penetration depth to prevent gouging into the underlying concrete. 100% pre-shipment inspected. FOB delivery from any port in China.

**Engineering Highlights**:
- Razor-sharp polycrystalline diamond (PCD) quarter-rounds shear thick coatings off cleanly without gumming up
- Integrated sacrificial diamond wear bar stabilizes cut depth and prevents deep gouging into soft concrete substrates
- Supplied in dedicated Clockwise (CW) and Counter-Clockwise (CCW) sets matched to counter-rotating planetary heads
- Manufactured across all major OEM grinder shoe footprints (Trapezoid, Redi-Lock, Lavina, HTC, WerkMaster)

**Target Materials & Applications**: Thick industrial epoxy (2-6 mm), polyurethane deck membranes & waterproof traffic coatings, Carpet glue, bituminous mastic, VCT tile adhesive & elastomeric paint, Single-head and counter-rotating planetary concrete floor grinders

**Technical Specifications**:
| model | rotation | pcdConfiguration |
| --- | --- | --- |
| NT-DGP-105-2Q-CW | Clockwise (CW / Right) | 2x Quarter-Round PCD + 1x Stabilizer Bar |
| NT-DGP-105-2Q-CCW | Counter-Clockwise (CCW / Left) | 2x Quarter-Round PCD + 1x Stabilizer Bar |
| NT-DGP-105-4Q | CW or CCW Directional | 4x Quarter-Round PCD + Sacrificial Bar |
| NT-DGP-105-CHIP | Bi-Directional Non-Directional | 6x Crushed PCD Grit + Matrix Bar |

| Parameter | Specification |
| --- | --- |
| Cutting Element | Vacuum-Brazed Industrial Polycrystalline Diamond (PCD) Blanks |
| Depth Control | Sacrificial Diamond/Carbide Wear-Guide Segment Prevents Slab Gouging |
| Backing Plate Fitment | Trapezoid 3-Hole M6/M8, Redi-Lock, Lavina QuickChange & Magnetic |
| Target Coating Thickness | 1.5 mm to 6.0 mm Elastomeric, Epoxy & Mastic Coatings |

### 3.6 Dovetailed Wedge-Lock Twin-Bar Diamond Floor Grinding Segment Block (NT-DGP-107)
- **Canonical URL**: https://newtech-sources.com/products/dovetailed-wedge-lock-twin-bar-floor-grinding-block
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/dovetailed-wedge-lock-twin-bar-floor-grinding-block.txt
- **Model / SKU**: NT-DGP-107
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 50 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=Dovetailed%20Wedge-Lock%20Twin-Bar%20Diamond%20Floor%20Grinding%20Segment%20Block%20(NT-DGP-107)

**Overview**: Crafted with a precision-machined dovetail wedge base that slides into magnetic and mechanical wedge receivers found on major commercial floor preparation equipment. The twin-bar rectangular diamond segments provide large contact surface area for flat, plane-level grinding across undulating warehouse floors. 100% pre-shipment tested for segment bond shear strength. FOB delivery from any port in China.

**Engineering Highlights**:
- Precision-milled tapered dovetail base locks securely under centrifugal and magnetic plate force with hammer-tap removal
- Twin rectangular bar segments balance aggressive stock removal with flat scratch-pattern uniformity
- 5-tier bond hardness matrix (Extra-Soft to Extra-Hard) tailored to local Mohs concrete hardness
- Color-coded OEM powder coating (Gold, Grey, Red, Blue, Black) for rapid jobsite grit identification

**Target Materials & Applications**: Industrial concrete floor leveling, lippage removal & aggregate exposure, Pre-polishing surface preparation prior to resin-bond polishing pads, Quick-change dovetail/magnetic plates on planetary concrete grinders

**Technical Specifications**:
| bond | grit | model | segments |
| --- | --- | --- | --- |
| Soft Bond (Hard Concrete) | 30/40# Coarse | NT-DGP-107-30S | 2x Rectangular Bars (40x10x10 mm) |
| Medium Bond (Medium Concrete) | 30/40# Coarse | NT-DGP-107-30M | 2x Rectangular Bars (40x10x10 mm) |
| Medium/Hard Bond | 60/80# Medium | NT-DGP-107-60M | 2x Rectangular Bars (40x10x10 mm) |
| Pre-Polish Honing Bond | 120/140# Fine | NT-DGP-107-120 | 2x Rectangular Bars (40x10x10 mm) |

| Parameter | Specification |
| --- | --- |
| Mounting Interface | Tapered Dovetail Wedge-Lock Quick-Change Shoe (CPS / Lavina / Scanmaskin Compatible) |
| Segment Height | 12 mm / 13 mm Extra-Tall Sintered Diamond Bars |
| Bond Hardness Matrix | Extra-Soft, Soft, Medium, Hard & Extra-Hard Color-Coded Bonds |
| Grinding Mode | Wet or Dry Vacuum-Shrouded Planetary Floor Grinding |

### 3.7 250mm (10") Arrow-Segment Concrete Floor Preparation Grinding Plate (NT-DGP-103)
- **Canonical URL**: https://newtech-sources.com/products/250mm-arrow-segment-concrete-floor-grinding-plate
- **Markdown Datasheet**: https://newtech-sources.com/llms/products/250mm-arrow-segment-concrete-floor-grinding-plate.txt
- **Model / SKU**: NT-DGP-103
- **Discipline**: Diamond Grinding Plates
- **Minimum Order Quantity (MOQ)**: 20 Pcs
- **Direct RFQ**: https://newtech-sources.com/contact?product=250mm%20(10%22)%20Arrow-Segment%20Concrete%20Floor%20Preparation%20Grinding%20Plate%20(NT-DGP-103)

**Overview**: The sharp directional arrow segments act like cutting chisels rather than blunt plows, slicing through old thin-mil epoxy paints, acrylic sealers, and adhesive residues while simultaneously profiling the concrete substrate for recoating. The open aerodynamic layout prevents sticky slurry from packing between segments. 100% pre-shipment tested. FOB delivery from any port in China.

**Engineering Highlights**:
- Pointed arrow-segment leading edges slice beneath thin acrylic sealers, curing compounds, and glue without glazing
- Heavy 6-8 mm CNC-machined steel disc absorbs shock on uneven expansion joints and rough outdoor slabs
- Multi-bolt universal flange pattern fits major walk-behind single-disc and twin-disc rental floor grinders
- Offered in 10-segment (high point load) and 16/20-segment (smooth finish & extended rental life) layouts

**Target Materials & Applications**: Stripping thin coatings, acrylic sealers, tile mortar & curing membranes, Leveling curled slab joints, sidewalk trip hazards & garage floors, 250 mm (10") single-head and dual-head walk-behind concrete grinders

**Technical Specifications**:
| bore | grit | model | diameter | segments |
| --- | --- | --- | --- | --- |
| Multi-Hole Universal | 20/30# Coarse | NT-DGP-103-10A | 250 mm (10") | 10x Arrow Segments |
| Multi-Hole Universal | 30/40# Medium-Coarse | NT-DGP-103-16A | 250 mm (10") | 16x Arrow Segments |
| Multi-Hole Universal | 30/40# or 60/80# | NT-DGP-103-20A | 250 mm (10") | 20x Arrow Segments |

| Parameter | Specification |
| --- | --- |
| Disc Diameter | 250 mm (10") Heavy 6-8 mm CNC-Balanced Steel Plate |
| Center & Bolt Pattern | Universal Multi-Bolt Pattern Compatible with Edco, Blastrac, MK & Schwamborn |
| Segment Geometry | Directional Wedge/Arrow Segments (40 x 10/12 x 10 mm) |
| Operation Mode | Dry Vacuum-Connected or Wet Walk-Behind Floor Grinding |