Elmag - Kernbohrer HSS, 40x55mm

Elmag - HSS Core Drill, 40x55mm

Fully hardened HSS-Co8 core drill with a cutting depth of 55 mm and a Weldon shank of 19 mm.

A. When the core drill is positioned, the coolant supply is activated via the ejector pin.
B. The rotation of the core drill delivers the coolant to the desired locations.
C. At the end of the drilling process, the pre-tensioned pin ejects the core and the coolant supply is automatically stopped.

Technical Data:

• Maximum cutting depth: 50 mm
• Cutting speed Vc Aluminum non-ferrous metals: 25 - 30 m/min
• Cutting speed Vc Steel < 500 N/mm²: 25 m/min
• Cutting speed Vc Steel < 700 N/mm²: 15 - 20 m/min
• Cutting speed Vc Steel < 1,000 N/mm²: 10 - 15 m/min
• Stainless steels: 10 - 15 m/min
• Cast: 15 - 20 m/min.