3 Inch Boring Head Set R8 Shank with 12Pcs 3/4 Inch Boring Bar Set 3Pcs Hex W

  
Specification: Boring head size: 3" Connecting screw thread: 1-1/2"-18 Screw thread: 7/16-20UNF Cross hole dia: 3/4" Maximum offset: 1" Minimum graduation: 0.0005 inch Dimensions of the 12pcs boring bars: Length: 3-1/8 inch Bore Depth: 1-1/8 inch Minimum Bore: 7/16 inch Length: 3-11/16 inch Bore Depth: 1-11/16 inch Minimum Bore: 7/16 inch Length: 4-1/4 inch Bore Depth: 2-1/4 inch Minimum Bore: 7/16 inch Length: 3-1/2 inch Bore Depth: 1-1/2 inch Minimum Bore: 9/16 inch Length: 4-1/4 inch Bore Depth:2-1/4 inch Minimum Bore: 9/16 inch Length: 5 inch Bore Depth: 3 inch Minimum Bore: 9/16 inch Length: 3-7/8 inch Bore Depth: 1-7/8 inch Minimum Bore: 11/16 inch Length: 4-13/16 inch Bore Depth: 2-13/16 inch Minimum Bore: 11/16 inch Length: 5-3/4 inch Bore Depth: 3-3/4 inch Minimum Bore: 11/16 inch Length: 4-1/4 inch Bore Depth: 2-1/4 inch Minimum Bore: 13/16 inch Length: 5-3/8 inch Bore Depth: 3-3/8 inch Minimum Bore: 13/16 inch Length: 6-1/2 inch Bore Depth: 4-1/2 inch Minimum Bore: 13/16 inch Features: 1. The boring head group is made of durable materials. It is hardened and more durable. The dial of boring head has clear scale, high precision, strong versatility, accurate cutting and high efficiency.

Package Includes: 1 x 3 boring head 1 x R8 shank 12 x boring bar 3 x hex wrench Boring head size: 3, connecting screw thread: 1-1/2-18, screw thread: 7/16-20UNF, cross hole dia: 3/4, maximum offset: 1. There are 12 different sizes of boring bar set, which are suitable for matching with boring head and R8 shank.

They can cut sharp to meet your processing needs. The boring head kit can be used for boring, boring the outer circle, boring the end face, boring the end face of the inner hole, cutting the inner hole and the ring groove on the outer circle.