BB2055 PRO Carbide Reamer 4.09–5.8mm | Spiral Flute | CNC Machining

Regular price $25.20 USD

Regular price ~~$0.00 USD~~ Sale price $25.20 USD

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Range: 4.1 — 5.8 mm | 172 variants total

Color BB2055Variant sold out or unavailable

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Full Edge Polishing

Cutting edges are fully polished to reduce surface roughness and improve chip evacuation. Suitable for achieving consistent hole finish in CNC reaming operations.

Edge passivation treatment applied to reduce micro-chipping. Hexagonal shank design for secure chuck engagement and reduced slippage during operation.

Spiral Flute Design for Smooth Cutting

Recommended for steel and alloy materials up to HRC60. Spiral flute geometry promotes smooth chip flow and reduces cutting resistance, suitable for both roughing and finishing passes in a single tool change.

Fixed Shank with Anti-Slip Tail

Straight shank with chamfered tail for improved chuck contact. Designed for stable clamping in CNC tool holders, reducing runout during reaming.

Fully Ground Cutting Edge

All cutting edges are precision ground for dimensional accuracy and extended tool life. Wear-resistant coating applied to maintain edge integrity under continuous cutting conditions.

Ultrafine Carbide Substrate

Manufactured from ultrafine grain carbide for improved wear resistance and toughness. Suitable for high-speed reaming of hardened steel, cast iron, and non-ferrous alloys.