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9 Piece boring bar set features C-6 carbide for use in harder materials but also works great in aluminum and other soft metals
Shank Diameter- 3/8"
Minimum Boring Range: 5/16" - 7/16"
Overall Length: 2" to 3-1/2"
Boring Depth Range: 3/4" to 2-1/4"
All shanks are held to 0.0000-0.0005" from the nominal diameter and made of special heat treated alloy steel Shank Diameter- 3/8" Minimum Boring Range: 5/16" - 7/16" Overall Length: 2" to 3-1/2" Boring Depth Range: 3/4" to 2-1/4" Contains (3) pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2" overall, 1 ea. 1-1/8" x 2-3/8", & 1 ea. 1-1/2" x 2-3/4") Contains (3) pcs. 3/8" minimum bore (1 ea. 15/16" bore depth x 2-3/16" overall, 1 ea. 1-13/32" x 2-21/32", & 1 ea. 1-7/82" x 3-1/8") Contains (3) pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-3/8" overall, 1 ea. 1-11/16" x 3-15/16", & 1 ea. 2-1/4" x 3-1/2")