Metal Bond Diamond Grinding Wheel 12A2, Dish Type for Internal Hole Grinding
Sintered Metal Bond 12A2 Diamond Wheel for Carbide Bore, Mold Inner Surface & Precision Hole Grinding
Product Overview
Dish-shaped metal bond wheel for deep internal holes, flutes and narrow gaps. Rigid metal bond ensures long life and stable size in ID grinding.
Key Specifications
Parameter | Details |
Wheel Shape | 12A2 (Dish Type / Internal Grinding) |
Bond Type | Metal Bond (Sintered) |
Abrasive Type | Synthetic Diamond (SDC) |
Standard Sizes (D×T×H) | 80×10×16, 100×13×20, 125×13×32 |
Grit Size | #180–#600 |
Concentration | 100% / 125% |
Max Speed | 25 m/s |
Precision Tolerance | Runout ≤0.01mm |
Workpiece Material | Tungsten Carbide, Hardened Steel, Ceramic |
Suitable Application | Internal hole grinding, flute grinding, tool sharpening |
Customization | Size, grit, angle |
Lead Time | 7-15 Days |
Features & Advantages
✅ Concave dish design, easy access to inner holes
✅ Metal bond: long life, high rigidity, minimal wear
✅ Good heat dissipation, less burn on thin walls
✅ Stable profile, low runout
✅ Less dressing, high efficiency
Applications & Workpiece Materials
Internal grinding of carbide molds, bushings, sleeves
Flute grinding of carbide drills, end mills
Precision bore grinding of hardened steel parts
CNC internal grinders, tool grinders
If you need a custom solution for special materials or applications, please use the form below to tell us your requirements.
80mm / 100mm / 125mm / 150mm / Custom
#180 / #240 / #320 / #400 / Custom
10mm / 16mm / 20mm / 32mm / Custom
20° / 30° / 45° / Custom
Request a Custom Diamond Wheel Quote
Tell us your grinding requirements below, and our engineering team will send you a tailored quotation within 24 hours.