Accusize Industrial Tools 3/4" 4Pc Indexable Stubby Length Boring Bar Set,, 2180 Product Features 1 pc TAS-500 DTX: 3/4" shank; 1/2" min bore; 1-5/16" max bore; 2-15/16" overall length; TCMT21.5 carbide TiN coated insert; M2.5 x 6 insert screw 1 pc TAS-750 DTX: 3/4" shank; 3/4" min bore; 1-17/32" max bore; 3-5/32" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw 1 pc TAS-1000 DTX: 3/4" shank; 1" min bore; 1-3/4" max bore; 3-3/8" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw 1 pc TAS-1250 DTX: 3/4" shank; 1-1/4" min bore; 1-31/32" max bore; 3-19/32" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw Criterion Boring Head Compatibility: Designed for seamless use with Criterion Boring Heads, suitable for both manual and CNC lathe operations, enhancing versatility. 3/4" Shank Diameter: Offers a robust 3/4" diameter shank, ideal for a wide range of boring applications, ensuring precision and stability. Kit Contents: Includes 4 indexable stubby length boring bars, 4 TiN-coated carbide inserts for extended tool life, screws, wrenches, and an aluminum case for organization. Wide Boring Range Supported: Capable of boring diameters from 1/2" to 1-1/4" (mini bore) and 1-5/16" to 1-31/32" (max bore), covering a diverse set of machining tasks. Detailed Reordering Info: Easy access to reordering with detailed SKUs for TCMT 21.5 and TCMT 32.5 inserts, along with M2.5 x 6 and M4 x 8 screws for convenience. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!