AK Block Type 3-A, Single / Double Sheave (with Forged Hook Top) PAT
Considering the rope maximum diameter of each size, the space on the underside of the sheave and the diameter of the bucket hole were enlarged, and usability was improved.
*Materials:Special Stainless Steel,
Sheave: SCS13 (equivalent to SUS304),
Hook/Side plate/Sheave pin/set screw with a hexagon hole: SUS304
*Oil impregnated bushing: bronze
*Safety working load is set variously in each country.
Our blocks safety working load is decided around from 1/8 to 1/10 of their breaking load.