Search for products or contact 1-877-22-Godar, 925-687-6161, firstname.lastname@example.org CART MENU Open menu godarmachinery.com Search Toggle search bar What can we help you find? Submit search Services Custom Part Fabrication False Clamp Repair & Fabrication Hydraulic Cylinder Repair Pump Rebuilds Sharpening Services Stitching Head Rebuilds Shop By Brand/Download Manuals Baumfolder Manuals Deluxe Stitcher Manuals Duplo Parts Muller Martini Parts Hohner Manuals Home Cutting, Trimming and Slitting Paper Cutters Book Trimming Machinery Sheet Slitting Machinery Blades and Cutting Sticks Paper Cutter Parts & Supplies Folding Folding Machines Folder Parts Die Cutting and Letterpress Die Cutting Machines Die Cutting And Letterpress Parts And Supplies Mechanical Binding - Wire, Coil, Comb, Etc. Binding Supplies Punching Machines Closing, Crimping, Inserting, Spreading Machines Punching Dies Die Sharpening Service Miscellaneous Perfect Binding Perfect Binding Machines Hot Melt Adhesives For Perfect Binders Creasing, Scoring and Perforating Impact-type Creasing and Perforating Rotary-type Scoring and Perforating Stitching & Bookletmaking Bookletmaking Machinery Deluxe Stitching Hohner Stitching Stitching Wire Box and Metal Stitchers More Categories... Collating Drilling Eyeletting Jogging and Paper Handling Laminating and Coating Padding Pumps Shrink Wrapping Suckers Miscellaneous Used Machines Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 You are here: Home > More Categories... > Drilling > Challenge Hollow Drill Bits Long Length Hollow Drill Bits up to 2-1/2" Capacity 3-11/16" Overall length (Note: Length may vary slightly due to sharpening). Used only on EH-3A, EH-3C, MS-5, MS-10A. Standard Length Hollow Drill Bits up to 2" Capacity 3-3/16" overall length (Note: Length may vary slightly due to sharpening). This length will work in all Challenge drill models.