Square tenon drill square hole drilling bit
$6.64
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Handle type: round handle Cooling type: (internal cooling / external cooling) external cooling Cutting diameter (mm): 6-30mm Shank diameter (mm): 19 Length of chip holding groove (mm): 45-70 Total length (mm): 175-230 Material: Bearing Steel Maximum cutting depth: 230mm Blade size: 6-30mm Model: 6mm, 1 / 4 (6.4mm), 5 / 16 (8mm), 3 / 8 (9.5mm), 10mm, 7 / 16 (11mm), 1 / 2 (12.7mm), 4pc: 6.4mm-12.7mm, 14mm, 16mm, 18mm, 19mm, 20mm
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