Step Drill Bit 4-20mm 3-pc. Set

This step drill set is the ideal helper in any workshop. Suitable for drilling holes in plastic housings and much more. Since the step drills have a 1/4"" (6.3 mm) shank, they can also be used with a cordless screwdriver.

The set consists of the following drills:

• 4-12mm: 4, 6, 8, 10, 12mm
  
• 4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
  
• 3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm
  

Technical details:

• Shaft: 1/4"" (6.3 mm) 
  
• Weight: 83g
  

Delivery contents:

1x 4-12mm step drill

1x 4-20mm step drill

1x 3-12mm step drill