Faithfull HSS STEP DRILL 4 TO 20MM X 2.0MM
Step drills, the easy way to cut the hole size you require.
Sizes 4 to 20mm. Increments of 2.0mm.
Max thickness 4mm.
Made from HSS ( High Speed Steel ).
Shank: 10mm diameter.
2.0MM X 20MM TO 4 DRILL STEP HSS Faithfull 
