Skip to content
Grąžtai · ANNO 1957Lithuanian manufacturer · Since 1957
AccountCart 0.00€
GRĄŽTAI / ANNO 1957

Drill standards

Standard Name Type
STRAIGHT SHANK DRILLS
DIN 1897  Stub series parallel shank twist drills (more) RN, Ti
DIN 338  Jobber series parallel shank twist drills (more) RN, RH, RW, GT-100, Ti, LN
DIN 339  Long parallel shank twist drills (more) RN
DIN 340  Long parallel shank twist drills (more) RN, RH, RW, Ti
DIN 1869 Extralong parallel shank twist drills (more) RN
  Double-ended body drills (more)  
  Reduced shank twist drills (more)  
– Small-bore oversize shank twist drills (more)  
  Parallel shank step drills  
TAPER SHANK DRILLS
DIN 345 Morse taper shank twist drills (more) RN
DIN 341 Long Morse taper shank twist drills (more) RN
– Long Morse taper shank twist drills (more) RN
DIN 1870 Extralong Morse taper shank twist drills (more) RN
 
Type Drilling material
RN Carbon, alloyed, constructional steels and cast iron.
RH Hard and brittle materials, gun metal, brass, bronze.
RW Aluminium, aluminium alloys, copper, and soft plastics.
Ti Hard materials, titanium and Ti-alloys, and stainless steels.
GT-100 Unalloyed and alloyed steels (tensile strength up to aprox. 1000 N/mm2) and cast iron.
LN Carbon, alloyed, constructional steels and cast iron.