4-25mm P&N Step Drill Hss Tin PULD-T75905 7mm4 - 1/4" hex bit

7mm4 - 1/4" hex bit (25mm) : 3

2 x 25mm 25 C1850-7 3

M5 and M6 Din taps

600rpm Net Weight: 0

Step 3: Apply a tap wrench to the square end of the holder

4-25mm P&N Step Drill Hss Tin PULD-T75905 7mm4 - 1/4" hex bitP&N Quickbit Step Drill 4 25mm 11 Steps: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 25mm 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 149040250