July 12, 2024 square Square 2 Bolt-on Tool Block Holder From Hwacheon Hi-eco31a Cnc Lathe SQUARE 2 BOLT-ON TOOL BLOCK HOLDER FROM HWACHEON HI-ECO31A CNC LATHE. REF: HWACHEON HI-ECO31A, 03/2023. You might also like: May 27, 2022 Square 4 Way Lathe Turret Tool Post 4.5 x 4.5 February 11, 2022 Square 4 Way Lathe Turret Tool Post 5.5 x 5.5 August 22, 2022 Square 4 Way Lathe Turret Tool Post 4.5 x 4.5