
Factory Direct D12.5 Grinding Head Auto Honing Tool. 100% Sunnen Compatibility: Replacement stones and mandrels are 100% compatible with original Sunnen honing tools. High Precision Machining: Adjustable roundness, cylindricity, and surface roughness for high-precision inner hole machining. Diamond & CBN Options: Diamond for cast iron/aluminum; CBN for high-hardness materials like tool steel and stainless steel. Wide Model Range: Available in K, B, and L series with various stone lengths and diameter ranges. Flexible Customization: Supports customization from samples, designs, and full customization options. Competitive Pricing: Factory direct supply of replacement honing stones and accessories at competitive prices. High Efficiency: Rotating and reciprocating tool action ensures high processing efficiency. Versatile Applications: Suitable for auto, motorcycle, hydraulic, textile, and aerospace industries.