BB Short-Cut Carbide End Mill | CNC Milling | D1-12mm | 2 Series

BB Short-Cut Carbide End Mill — Precision CNC Milling

A solid carbide end mill with short cutting length design, engineered for improved rigidity and vibration resistance in CNC milling applications. Available in 2 series optimized for steel and aluminum. Diameter range: D1 – D12 mm, shank diameter D4–D12 mm.

Key Features

Short Cutting Length Design: Reduced overhang improves tool rigidity and shock resistance, extending tool life and enabling stable cutting at higher feed rates.

Unequal Flute Spacing: Variable pitch geometry suppresses resonance and chatter during high-speed cutting, resulting in improved surface finish.

U-Groove Chip Flute: Wide chip clearance promotes smooth chip evacuation and reduces cutting load — suitable for slotting, side milling, and face milling.

Nano-Composite Coating (PVD): Applied to micro-grain tungsten carbide substrate, improving surface hardness, wear resistance, and tool life in both dry and semi-dry cutting conditions.

Short Cutting Length — Rigidity Advantage

The short flute length significantly increases the tool's cross-sectional stiffness compared to standard-length end mills. This reduces deflection under load, making it suitable for high-feed milling, narrow slot cutting, and applications where tool runout must be minimized.

Nano-Composite Carbide Coating

Multi-layer nano-composite coating applied via PVD process to a micro-grain tungsten carbide substrate. Improves surface hardness and reduces friction, extending tool life in dry and semi-dry cutting of steel and non-ferrous metals.

U-Groove Flute Design

The U-groove chip flute provides a large chip clearance volume, enabling smooth chip evacuation even at high material removal rates. Manufactured on a 5-axis CNC grinding machine for consistent flute geometry across all sizes.

Series Overview

Diameter range: D1 – D12 mm | Shank: D4 / D6 / D8 / D10 / D12 mm | Overall length: 50–60 mm

Machinable Materials

BC2055-3F (3-flute, aluminum series): Copper, aluminum, zinc, and other non-ferrous metals. Wider chip flute reduces built-up edge and improves surface finish on soft materials.

BK4055-4F (4-flute, steel series): Gray cast iron, ordinary die steel, heat-resistant alloy steel, pre-hardened mold steel, alloy steel, and tool steel. Higher flute count improves surface finish and feed per tooth in harder materials.

Applications

— Flat surface milling and side milling on CNC machining centers
— Narrow slot cutting and U-groove machining
— Spot facing and step milling
— High-feed finishing of steel and aluminum components
— Suitable for CNC machining centers and engraving machines with ER collet chucks