Precision-Crafted Miniature Router Bits & Ball Bearings for High-Speed Applications
Ultra-Durable 693ZZ & R-830ZZ Ball Bearings – Made from hardened chrome steel with tight tolerance (ABEC-1 standard) for smooth rotation under extreme RPM. Ideal for dental grinding machines, CNC routers, and industrial nailing equipment.
3x8x4mm Compact Design – Engineered for precision micro-machining in confined spaces. Features a polished surface finish to minimize friction and extend tool life.
Dual-Purpose Utility – Perfect for woodworking detail carving and metal/acrylic engraving. The ball-bearing guide ensures stable cutting depth for flawless edges.
Industrial-Grade Materials – Tungsten carbide cutting edges with anti-kickback design. Withstands temperatures up to 600°C without losing sharpness.
Global Bulk Supply Advantage – Factory-direct pricing for wholesale buyers. Compatible with Dremel, Proxxon, and most rotary tools. Stocked in ISO-certified warehouses for fast shipping.






























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High Speed Miniature Router Bits Ball Bearing 3x8x4mm 693ZZ R-830ZZ nailing machine Ball Bearings for Dental grinding machine
$0.29
Brand Name:
CVH
Outside Diameter:
693ZZ(3X8X4mm)
Quantity:
Add to Cart
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