Dormer A110 Series HSS Twist Drill Bit, 6.8mm Diameter, 156 mm Overall

Rapidly pierce your work surface to create a hole using this drill bit from Dormer. It has a twist structure that drills up to six times its diameter without the risk of debris clogging up the flutes, giving you a clean finish. A compact diameter of 6.8mm makes it just the right fit for carving out a small hole. Fixing this unit to your handheld tool is a breeze, thanks to the simple, straight design of the shank.

• Size-marked for quick identification
• HSS body resists wear and heat for long-lasting use
• Compatible with steel and cast iron for use in heavy-duty applications

• Construction sites
• HVAC equipment
• Plumbing

This bit has an overall length of 156mm for increased reach in hard-to-access areas.

BS 328; DIN 340 RN; ISO 494

HSS Long & Extra Long Series

These HSS straight shank, right hand cutting long series twist drills are capable of drilling up to 10x the drill diameter before the flute needs to be cleared, to avoid fouling. They are made to BS328/DIN340 RN and ISO standards, and are recommended for use with steel and cast iron.