Machine Screw Hex Nut - 316 Stainless Steel Hexagonal shape machine screw nut or machine nutUsed on machine screws or bolts diameters smaller than 1/4"Available in UNC coarse and UNF fine threadSmallest size: #0-80 - Largest Size: #12-28Known as machine screw nuts, MS nuts, or machine nuts304 Stainless steel is corrosion resistant, durable, and suitable for use in freshwater environments Sizing Specifications #0: 5/32" Flats, 3/64" Thickness#1: 5/32" Flats, 3/64" Thickness#2: 3/16" Flats, 1/16" Thickness#3: 3/16" Flats, 1/16" Thickness#4: 1/4" Flats, 3/32" Thickness#6: 5/16" Flats, 7/64" Thickness#8: 11/32" Flats, 1/8" Thickness#10: 3/8" Flats, 1/8" Thickness#12: 7/16" Flats, 5/32" Thickness Product Specifications Material: 304 Stainless SteelSizing: Nut Size - ThreadingThread Direction: Right Hand Listing photo is generic for the fastener type listed in this listing and is not to scale. Please refer to the description for fastener details. If in doubt, please ask a question through chat or email. We will respond with the requested information quickly. Listing photo is generic for the fastener type listed in this listing and is not to scale. Please refer to the description for fastener details. If in doubt, please ask a question through chat or email. We will respond with the requested information quickly.