CK HSS 4 to 20 mm Drill Bit, 20in, Round, 1

This drill bit is a single cutting tool intended for creating holes in metal and other materials where a high-speed steel cutting edge is required. It features a hard-wearing surface treatment to reduce wear during repeated use and is provided with a cylindrical gripping end suitable for standard chucks. The product is offered in a range of diameters to cover common small to medium hole sizes.

• HSS substrate gives consistent cutting performance
• Titanium nitride surface reduces abrasive wear
• Available in 4 mm to 20 mm sizes for varied hole requirements
• Supplied as a single piece for individual selection
• Round shank fits conventional chucks and collets
• Long 20 in overall length for deep penetration tasks

• Suitable for drilling steel and ferrous materials
• Ideal for deep-hole work in structural components
• Used with drill presses and hand-held machines
• Can be used for machining thicker metal plates
• Suitable for toolrooms requiring varied diameter options

It covers sizes from 4 mm up to 20 mm to suit multiple hole specifications.

The cutting core is MADE from high-speed steel for Durable edge retention.

It has a round shank designed for standard chuck and collet fittings.

The titanium nitride coating provides a harder sliding surface, reducing abrasive wear during repetitive drilling.

The overall length is 20 in, which permits drilling deeper holes without extensions.