Shars 3" Boring head + 3MT Tang Style Shank + 12Pc 3/4" C6 Boring Bar Set New. Min Boring Diameter: 0.5. Compared to the generic boring head on the market, the tight thread fit on the main lead screw leads to 10 graduations in backlash while the other generic model has around 15 graduations. Smaller backlash allows the operator to be able to dial in on the desired travel much faster. The other generic models which has 15 graduation in backlash, it's not easy to adjust the travel.Each Shars brand boring head is manufactured by an. 1 division is equaled to 0.001 travel in diameter. Internal bore within H7 specification to give tight fitting with cutting's shank. Backlash comparison table among different vendor's boring head. Bar holder moves freely and smoothly. Design assures superior rigidity for chatter-free boring and precise hole size accuracy. Hardened and ground adjusting screw designed for long lasting and trouble free use. Each boring head comes with Inspection report. Designed so that the same bar can bore flat bottomed holes or face. Alloy steel shanks hardened and ground to +0".
0005" C6 grade: carbide for steel and alloy steel. 3/4 C6 Carbide Boring Bar Set. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Toolholding\Other Toolholding". The seller is "discount_machine" and is located in this country: US. This item can be shipped worldwide.