findmall 3" Boring Head R8 Shank 12Pcs 3/4" Carbide Boring Bar Set Milling Set

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