Description:

Dimension: Boring head size: 2 inch; screw thread: 7/16-20UNF; connecting screw thread: 1-1/2-18; min graduation: 0.001 inch; cross hole dia: 1/2 inch; maximum offset: 5/8 inch.. Material: This R8 boring head set is made of carbide with great match of hardness and toughness, thus prolongs its service life.. Design: Design of boring head bar set assures superior rigidity for chatter-free boring. After special treatment, its performance is stable and wear-resistant and durable.. Packing Including: 1 x 2 inch boring head, 1 x R8 shank, 9 x 1/2 inch carbide boring bar, 3 x allen wrench.. Easy Storage: Boring head group is equipped with a yellow storage box, easy to use and storage, effectively reduce the possibility of items lost..