3In Boring Head R8 Shank 12-Pack 3/4In Carbide Boring Bar Set Milling

  

3" Boring Head R8 Shank Specification: Head size: 3" Boring bar Hole: 3/4" Cross Hole Dia: 3/4" Maximum Offset: 1" Thread: 1-1/2"-18 Graduations: 0.001/0-50 Center Distance bt 2 bottom hole: 0.60" With R8 shank can be fitted on a 2", 3", or 4" boring head Package Includes: 1 x 3" Boring Head 1 x R8 Shank 12 x 3/4" Carbide Boring Bar 3 x Allen Wrench 1 x Plastic Case Head size: 3In; Boring bar Hole: 3/4In; Cross Hole Dia: 3/4In; Maximum Offset: 1In The use of alloy steel has high strength and toughness, good hardenability, no obvious temper brittleness, and high resistance to multiple impacts after quenching and tempering A micrometer lead screw provides 0.0001In direct reading accuracy and ease of adjusting, Double bar holder permits a greater boring range with out an extreme offset condition A portable plastic tool box provides protection for boring head, bars and accessories, keep them clean and tidy. Its convenient for user to carry Packing including: 1 x 3In Boring Head, 1x R8 Shank, 12 x 3/4In Carbide Boring Bar, 3 x Allen Wrench.