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Sharp Four-Blade Cutting Edge Design
—Made of high-quality carbide material to ensure high hardness and wear resistance
The unique drill point angle ensures easy chip removal and more stable centering
可靠品质，无惧任何挑战
Angled Machining
BB Micro Drill Bits – Long Flute | OAL 50–75mm | Shank Ø4mm | Ø1.0–2.95mm | Carbide Hole Diameter:1.6xD4x16x50 Sharp Four-Blade Cutting Edge DesignMicro 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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