4-12mm,4-20mm,4-32mm,step drill bit
straight flute, titanium coated,
packing: 1pc/ in a plastic sleeve,or 3pcs in wood case,
Material: HSS
EMAR Purchasing Office(Ningbo)
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HSS step drill bit set
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4-12mm4-20mm4-32mm step drill bit
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3PCS HSS cone cutter
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