Long drills according to DIN 340

Standard long roll forged drills recommended for deep-hole drilling to unalloyed steel or alloyed steel, cast steel up to 900 N/mm2, grey-, malleable or nodular cast iron, sintered steel, Al-alloys with short chip, bronze, tough brass.

Powerful ground twist drills for drilling holes with greater depth in unalloyed and alloyed steel, steel castings up to 900 N/mm2, gray, malleable and ductile iron, sintered steels, aluminum alloys with short chips, bronze, tough brass.

High-performance ground twist drills for demanding drilling of holes with greater depth in components made of difficult-to-machine materials, alloy steel and cast steel, steel for volume hot and cold forming, rolls of rolling mills, stainless steel,

High-performance ground twist drills for difficult-to-machine materials, alloy steels and steelworks, especially for drilling in steel for volume hot and cold forming, rolls of rolling mills, steel for case hardening and tempering, stainless steel.

Powerful long solid ground twist drills for ordinary drilling in components made of soft materials with long chips, such as aluminum, zinc, copper, silumin, electron, thermoplastics and ferrous materials with strength up to 500 N/mm2.

Powerful long rigid ground twist drills for ordinary drilling in components made of soft materials with long chips, such as aluminum, zinc, copper, silumin, electron, thermoplastics and ferrous materials with strength up to 900 N/mm2.

High-performance ground twist drills with a very strong core, with an enlarged flute profile while maintaining the rigidity of the drill recommended for drilling deep holes in alloy steel components, cast steel with a strength of up to 900 N/mm2.

High-performance long ground twist drills for alloy steel, steel castings with a strength of more than 1200 N/mm2 and especially for drilling steel for volume hot and cold forming, crankshafts, case-hardening and tempering steel and stainless steel.