Roll In T-Nut For Slot Width 8 mm Steel Zinc Plated Fastener Thread Size 5/16 In.-18 Fastener Thread Length Not Applicable T-Nut Threaded Hole Location Single Offset Roll-In Metric Compatible Brand and Series Fath 15 Series Fath 40 Series Compatible Manufacturer Model Number 09602U5/16 15 Series 40 Series Package Quantity 4