The HSS metal twist drill with a diameter of 12 mm from Heller is a high-quality tool specifically designed for precise drilling in alloyed and unalloyed steels, as well as in plastics and non-ferrous metals. With an overall length of 151 mm and a working length of 101 mm, this drill offers optimal handling and control during the drilling process. The precision grinding according to DIN 338 RN ensures excellent dimensional accuracy, while the cross grinding and 135° tip angle allow for optimal centering when starting the hole. The rolled HSS surface provides high run-out accuracy and durability of the tool. This twist drill is ideal for professional applications and delivers reliable performance across various materials.

• Precision grinding according to DIN 338 RN for high dimensional accuracy
• 135° tip angle for optimal centering when starting the hole
• High run-out accuracy according to DIN 1414
• Suitable for alloyed and unalloyed steels as well as plastics
• Rolled HSS surface for durability and efficiency.