Drilling tool – Thread tools china supplier,machine <strong>spiral flute tap</strong>.straight fluted tap,<strong>extrusion tap</strong>s,<strong>tip tap</strong>s,thread milling cutter,solid carbide drill,extra length solid spiral drill,twist flute drill,and machine carbide drill bits manufacture.

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deep hole carbide twist drill

high hardness,wearing resistance,high positional accuracy,fast chip removal,high working-efficiency.

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Tungsten carbide twist drill bit
$6.00
suitable for machining iron casting,mold steel,alloy,carbon steel,tool steel.

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