Hss step drill bit 125 325 mm ck t3012 total length 80 mm triangular shank 1 pcs
Centres drills and deburs sheet metals in one operation hss precision ground for accurate drilling dual flute construction for faster drilling longer life three flats on drive shaft for secure drive in drill chucks cuts hole sizes 12 5 12 7 15 2 16 2 18 6 20 4 22 5 25 4 28 3 30 5 32 5 mm
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