1/2 SHANK 9-PIECE C.T. BORING BAR SET1/2 SHANK 9-PIECE C.T. BORING BAR SET 6-076-120, INCLUDES: 2-1/4, 2-5/8 (5/16 & 7/16 MIN. BORE), 3" (5/16 & 9/16" MIN. BORE), 3-3/16, 3-3/4 (7/16 & 9/16 MIN. BORE), 4-1/2 OVERALL LENGTHS This is an import C-6 grade carbide tipped boring bar set for use in harder ferrous materials but also works great in alumium and non-ferrous materials as well. All the shanks are held to .0000"-.0005" from the nominal diameter and are made of heat treated alloy steel. This set comes with 9 different lengths of boring bars and comes housed in a wooden storage block for ease of storage and portablility.
1/2 SHANK 9-Piece C.T. BORING BAR SET - BBS1/2 - Metalworking & Cutting Tools Boring Bars & Heads Shanks for Boring Heads
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