2" Boring Combo Set Includes Head R8 Shank & 1/2" Bars Kit for Bridgeport Mill

• Part number: ALL-48106
• Kit comprises a 9-piece set of C6 carbide-tipped boring bars, a 2" boring head, and a R8 shank.
• 2" Boring head offers stiff design for exact hole size precision, 0.002" graduation, 5/8" max offset, up to 1/2" tool capacity, bar holder slides easily and smoothly, and sturdy design for great performance in various applications!
• Features of the R8 shank include a 7/8"-20 internal thread, high-grade tool steel construction, hardening, and grinding.
• The dimensions of 1/2" Shank boring bars are listed below. All boring bar shanks are manufactured of an unique heat-treated alloy steel that is held to a tolerance of 0.0000-0.0005" from the nominal diameter.
• Shank Diameter- 1/2"
• Minimum Boring Range: 5/16" - 9/16" (see below)
• Overall Length: 2-1/4" to 4-1/2" (see below)
• Boring Depth Range: 3/4" to 3" (see below)
• Contains (3) pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3")
• Contains (3) pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4")
• Contains (3) pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", & 1 ea. 3" x 4-1/2")