5/16"- 1/2" 5/8" 3/4" ARBOR STRAIGHT SHAFT SPINDLE For Grinding Machine Blade Disk Holder R FOR 5/16"(8mm) SHAFT MOTOR - HOLDER FOR 5/16"(8mm) ARBOR HOLE This Arbor - Spindle is used to hold blades with 1/2" ,5/8", 3/4" arbor holes: diamond blades, diamond Flat disk, TCT Saw blades and more. Spindle has a 5/16"(8mm) arbor hole to work on 5/16" shaft Grinding machine. The arbor is made to be used on the Right Side of the grinding machine. Note: Always slightly tighten the front most set screw and then the one closest to the motor. Final tightness should be done after both are equally tight. FEATURES: · Precision Quality · Machining is done by CNC Equipment · Made of Steel and Anodized Black Finish · Set of Allen Screw do not protrude above the main shaft of the spindle. · Spindle comes with 2 Steel Machined Washers · Quality Hardware (Washers and Screws) SPECIFICATIONS: - Material: Cold Rolled Steel - Overall Length: 2-9/16" - 65mm - Fits Shaft Dia. (In.): 5/16" - 8mm for Shaft Connection - Spindle Shaft Length: 2" - 50mm - Spindle Shaft Diameter: 3/8" - 10mm (with a bushing change to 1/2"- 12.7mm) Spindle is made to be used on a 1/2"(12.7mm), 5/8"(16mm), 3/4"(20mm) shaft diameter and on the Right Hand Side of Motor with forward direction. Regular Air postage from China to Worldwide and takes 8-30 days delivery to your home. We will send out your order within 1-2 days after payment has been received and cleared. Please let us know if you are looking for other accessories or hardware. Should you have any queries, please contact me directly.