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Extensive Compatibility and Adaptability
Made of spring steel with a hardened surface for use with MGMN grooving inserts
Increase Efficiency Save Time
Step 1：Through high-speed rotation and axial pressure
BB Micro Drill Bits – Long Flute | OAL 50–75mm | Shank Ø4mm | Ø1.0–2.95mm | Carbide Hole Diameter:1.6xD4x16x50 Extensive Compatibility and AdaptabilityMicro Diameter Extended Flute Length Built for Precision Deep Drilling The BB Micro Long Flute Drill Bit features an extended flute length up to 30mm on a compact 4mm shank, with an overall length (OAL) up to 75mm. Designed for micro diameter drilling (1. 02. 95mm), it delivers exceptional reach and precision in deep, narrow holes where standard short flute drills cannot. Full Specification Range Flute Diameter: 1. 0 1. 1 1. 2 1. 3 1. 4 1. 5 2. 0 2. 5
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