Annular cutter, metal

HSS core drill bit

Standard annular cutter made from HSS for drilling large through-holes up to 50 mm in diameter with mobile magnetic or stationary drills in conventional steels up to 850 N/mm², wood and non-ferrous metals, such as aluminium, aluminium alloys and plastics.

Core drill bit SC Tecrona Weldon chuck 1087 Ruko

For the most demanding requirements

Core drill bit SC plain QuickIN chuck Ruko

Core drill bit SC Tecrona QuickIN chuck Ruko

For the most demanding requirements

Core drill bit SC plain threaded chuck Ruko

Core drill bit SC Tecrona threaded chuck Ruko

For the most demanding requirements

Core drill bit HSCo plain Weldon chuck Ruko

With higher heat resistance, ideal for drilling hard-to-cut materials and for the highest demands.

Core drill bit HSS TiAlN Weldon chuck Ruko

Suitable for dry processing due to the TiAlN coating.

Core drill bit HSS plain Weldon chuck Ruko

Annular cutter tungsten carbide Multi Performance

Carbide-tipped annular cutter with a cutting depth of 55 mm for a long service life and versatile use in all common metals.

Core drill bit HSCo8 AlCrN coating

High-performance core drill bits with 55-mm cutting depth, AlCrN-multilayer coating and 8% cobalt alloy for high service life and versatile use with almost all materials such as in conventional steels, cast iron, titanium, stainless steels, heat-resistant and high-strength steels up to 1400 N/mm² in strength. Also suitable for non-ferrous metals, such as aluminium, aluminium alloys, magnesium alloys, brass, bronze and plastics.

Core drill bit HSCo plain QuickIN chuck Ruko

Higher heat resistance

Core drill bit SC plain Weldon chuck 1087 Ruko

Suitable for railway rails

Core drill bit SC plain Weldon chuck 10815 Ruko

Application on all rail drills.

Core drill bit SC Tecrona Weldon chuck 10815 Ruko

For the most demanding requirements

Solid drill HSS plain Weldon holder Solid 3S Ruko

The risk of breakage of the solid drill up to dia. 15.0 mm is significantly lower than core drills of the same diameter. Cooling required.

Core drill bit HSS plain Weldon chuck Terrax Ruko

Ruko Terrax HSS plain Weldon holder

Core drill bit HSS TiN Weldon chuck Terrax Ruko

Ruko Terrax HSS TiN Weldon attachment