Description
GZ08426 | Groz Reduction Drill Sleeve H&G 4 - 3Mt Drill Sleeves are used to adapt smaller morse taper shank tools to larger machine spindles. The concentricity and taper angles are precisely controlled which allows perfect locking and concentric movement to the tool held. A Grade - (Hardened and Ground) Manufactured from casehardened Hi Tensile steel (20 MnCr5/SAE 8620) these are fully hardened and are ground on the inside and outside. Permanent marking of size on the tang ensures convenience inuse. Body & Tang Hardness : 54 - 58 HRC Specification Mount: 4 - 3MT