findmall 2" Boring Head 9pcs R8 Shank 1/2" Carbide Boring Bar Set Milling Set

2 Boring Head With R8 Shank.Head size: 2.Boring bar Hole: 1/2. Center Distance bt 2 bottom hole: 0.60. Cross Hole Dia: 1/2.Maximum Offset: 5/8.Thread: 1.5-18.Graduations: 0.001/0-50. A micrometer lead screw provides 0.0001 direct reading accuracy and ease of adjusting. Package including: 1pcs 2 Boring Head, 1pcs R8 Shank, 9pcs 1/2 Carbide Boring Bar,3pcs Allen Wrench.