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Interal Coolant Deep Hole Drills Long Carbide Drills for Hardness Material. US $10.26-$12.07 Piece. 5 Pieces ... CN 3 YRS. 90.9% Response Rate. 4.9 (28) 'Fast production' 'Good supplier' Contact Supplier. 1/6. Extra long drills Deep hole carbide twist drill for CNC machine. ... 3D Solid Carbide 2 Flute Inner Coolant Twist Drill Bits. US $9.00 ...
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