4-12mm P&N Step Drill Hss Tin 6490710 - Rectangular cross section allows

- Rectangular cross section allows you to smooth and sharpen straight surfaces

each screwdriver is tested individually at 10

0 x 100 Metric Coarse Hex Set Screws 15 Pieces Zinc Plated Class 8

0 x 70 Metric Coarse 25 Pieces Zinc Plated Hex Bolts & Nuts

Presentation: lacquered

4-12mm P&N Step Drill Hss Tin 6490710 - Rectangular cross section allowsP&N Quickbit Step Drill 4 12mm 8 Steps: 4, 5, 6, 7, 8, 10, 11, 12mm Shank size: 1 4" hex suits quick change adaptors Features include: Ideal for sheet metal without pre drilling During drilling, the next step deburrs the previously drilled hole Titanium Nitride coated for long life Made from High Speed Steel Fixed drilling steps Easy to sharpen non skid tip Two straight fluted cutting edges for greater control through steps 149040120