Electroplated CBN Grinding Pins for Precision Internal Grinding

Name
CBN Grinding Pins for Precision Internal Grinding
Abrasive
CBN
Bond Type
Electroplated
Workpiece Material
Hardened Steel
Application
Internal diameter grinding; Micro-hole finishing; Jig grinding
Customization
               ✓ Custom Specification Available            


Description

Product Overview
Manufactured with a single layer of high-grade CBN abrasive electro-bonded to rigid steel shanks. Specially designed for small internal-diameter grinding, micro-hole finishing, and jig grinding of hardened steel dies, molds, and automotive fuel parts.
Key Applications
✓
Micro-Hole Internal Grinding
Ideal for small-bore steel bushings, hydraulic valve seats, and injection mold ejector pin holes.
✓
Die & Aerospace Profiling
Efficient deburring, chamfering, and contour profiling on hardened steel press dies and aerospace fittings.
Why Choose Us (Advantages):
High Precision Shank Runout
Micro-concentricity ensures smooth rotation at speeds up to 100,000 RPM.
Immediate High Removal Rate
Exposed CBN grains bite immediately into hard metal without initial truing.
Versatile Geometry
Available in a wide variety of micro-shapes for access to complex cavities.
Stable Quality and Bulk Supply
Standard models available in stock; Approx. 7 Working Days to Dispatch.
Common Specifications
COMMON Specs
Shapes
Cylindrical, Ball-nose, Cone, Tapered
Shank Diameters
3mm, 6mm, 1/8", 1/4"
Head Diameters
0.5mm to 15mm
Grit Range
B91 – B181
Application Positioning
Suitable for CNC grinding and hand polishing of mold parts, automotive hardened steel micro-holes, and complex cavities.
All sizes are customizable: Please share your drawings or specific dimensions with us for a precise quotation.
Machining Cases

Electroplated CBN Grinding Pins for Precision Internal Grinding.jpg

Electroplated CBN Grinding Pins.jpg

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