1. Abrasive Material Classification & Application Standard
Official Anchor Abrasive Parameter Table
| Abrasive Category |
Code |
Color |
Performance & Application Scope |
| Aluminum Oxide |
WA |
White |
High friability, low grinding heat, for precision grinding of alloy steel, quenched steel and tool steel |
| Aluminum Oxide |
RA |
Rose Red |
Higher toughness than WA, ideal for heat-treated steel, internal grinding and gear cutter sharpening |
| Aluminum Oxide |
SA (32A) |
Off-white |
Single crystal grain with balanced hardness and toughness, for heavy stock removal grinding of all tool steels and high-toughness alloy steel |
| Silicon Carbide |
GC |
Green |
Hard and brittle texture, specially for tungsten carbide, superhard alloy, SKD11 mold and mirror finish grinding |
2. Three Standard Wheel Shapes & Grinding Applications
2.1 Type 6A Straight Recessed Wheel
Adopts flat surface with inner recess structure. Mainly used for peripheral clearance grinding and flute back-off grinding of straight shank end mills and twist drills. It guarantees uniform grinding allowance and high smoothness of tool flank face.
2.2 Type 11A Tapered Bevel Wheel
Sloped tapered working surface, applied for drill point thinning, tool chamfering and relief angle grinding of forming cutters. It can accurately control cutting edge angles to meet high-precision tolerance requirements.
2.3 Type 12A Dish Flange Wheel
Thin dish-shaped profile, the most widely used style for gear cutter tooth profile forming grinding, hob tooth relief grinding and edge finishing of complex special-shaped cutting tools.
3. Complete Standard Dimension Specification Tables
Table 1: Dimension for 6A Grinding Wheel
| Outer Dia D |
Thickness T |
Bore H |
Width W |
| 100mm |
50mm |
31.75mm |
10-13mm |
| 125mm |
50mm |
31.75mm |
10-13mm |
| 150mm |
50mm |
31.75mm |
13-16mm |
Table 2: Dimension for 11A Grinding Wheel
| Outer Dia D |
Thickness T |
Bore H |
Width W |
Depth E |
| 100mm |
50mm |
31.75mm |
6mm |
13mm |
| 125mm |
50mm |
31.75mm |
10mm |
13mm |
| 150mm |
50mm |
31.75mm |
13mm |
13mm |

Table 3: Dimension for 12A Grinding Wheel
| Outer Dia D |
Thickness T |
Bore H |
Depth E |
Length K |
| 125mm |
13/16mm |
31.75mm |
8mm |
65mm |
| 150mm |
16/19mm |
31.75mm |
8/10mm |
75mm |
| 180mm |
19mm |
31.75mm |
11mm |
90mm |
4. Core Product Strengths
- Stable vitrified bonding agent, no deformation or cracking under high-speed rotation, excellent safety performance;
- Precisely calibrated dynamic balance before delivery, low vibration during grinding to greatly improve tool sharpening accuracy;
- Good self-sharpening property, not easy to be clogged or glazed under long-time continuous heavy-load grinding;
- Universal 31.75mm center hole, compatible with all mainstream tool grinder models in the market;
- Complete abrasive and size options, one-stop selection for different material tool regrinding demands.
5. Standard Operation & Safety Notes
- Conduct 2 minutes no-load running test after installation before formal grinding work;
- Do not apply excessive grinding pressure, avoid wheel breakage or thermal annealing of tool cutting edges;
- Use diamond dresser to dress the grinding surface timely when the wheel surface is passivated or loaded with chips.