Thread Insert Kit Number of Inserts 5 Number of Pieces 7 Insert Diameter 15.0876 mm Insert Length 15.875 mm Internal Thread Size M8-1.25 Thread Direction Right Hand Thread Type Coarse Insert Material Brass Finish Plain Material Grade/Class C3604 Drive Type Slotted Compatible Material Wood Drill Bit Sizes Included 33/64 in Minimum Material Thickness 31 3/4 mm Maximum Hole Diameter 13.1064 mm System of Measurement Metric Manufacturer Location Globally Sourced