DIMENSIONAL ATTRIBUTES | Diameter (Nominal): 5/16 | Thread Pitch: 18 | Height (Basic): 5/8 | PRODUCT ATTRIBUTES | Category: T-Nuts | System of Measurement: Inch | Brand: Aspen Fasteners | Form and Design: 4 Prongs | Thread Length: Full Thread | Thread Direction: Right-Hand Thread | Material: Steel | Coating: Zinc Plated | Coating Color: Clear | Origin: Origin Undefined | NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions. T-Nuts allow and way for machine threaded components to be mated to wooden parts. Multiple prongs on the T-Nut dig into the wooden material. UPC 698435270367 Brand ASPEN FASTENERS Size Name 5/16 -18, Height=5/8 Metal Type Alloy Steel Unit Count 1000.0 Count Drive Style External Hex Item Weight 14.3 Pounds Part Number AMNU106-51618X58-001000 Thread Size 5/16 -18 Thread Type Inch Manufacturer Aspen Fasteners Thread Style Right Hand Fastener Type Tee Material Type Alloy Steel Exterior Finish Zinc Item Dimensions 0.63 inches Number Of Items 1 Thread Coverage Fully Threaded