3 Pcs step drill bit set
1pcs 4-12mm，2mm/step, Shank diameter：6mm
1pcs 4-20mm，2mm/step, Shank diameter：8mm
1pcs 4-32mm，2mm/step, Shank diameter：10mm
Material: HSS
Applies to Steel Plate thickness≤3mm
Packed by double blister
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Terms and Conditions Shipping: 4-5 Business Days
