System 3 Accessories

System 3 drill bits from 15 to 50 mm have 6 mm centers. Bits from 51-130 mm, as well as our Imperial bits, have 10 mm centers. Be sure to pick the appropriate centering tool for your bit!

When you find the System 3 drill bit you have or want, then look in "Related Products" at the bottom of the page for the accessories appropriate to it. 

You will need:

• The ZOBO drill bit
• A replaceable pilot drill bit OR centering point OR guide pin
• Shank extension if drilling deep holes