Knife Thread Insert, System of Measurement Metric, Insert Diameter 6.35 mm, Overall Length 9.525 mm, Internal Thread Size M4-0.70, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, Drive Type Slotted, Drill Bit Size 17/64 in, Compatible Material Wood, Minimum Material Thickness 10 9/64 mm, Maximum Hole Diameter 6.756 mm, Compatible with Manufacturer Model Number 500-1, Installation Method Drive Tool, Screwdriver