5/16"-18 Coarse Thread Hex Jam Nut Stainless Steel 18-8 Pk 100 Description PRODUCT SPECIFICATIONS Part : 0000-107384 Fastener Type: Hex Jam Nut Size Description: 5/16"-18 Diameter/Nominal Size: 5/16" Thickness: 3/16" (0.180-0.195") Wrench Size/Across Flats: 1/2" (0.489-0.500") Width Across Corners: 0.557-0.577" Thread Pitch: 18 Thread Pitch Type: Coarse Thread Direction: Right System of Measurement: Inch Material: Stainless Steel 18-8 Finish: Plain Finish (No Plating) Drive Type: External Hex Average Piece Weight: 0.0072800 lbs. Nuts are almost always used in conjunction with a mating bolt to fasten multiple parts together; kept together by a combination of their threads' friction, a slight stretching of the bolt, and compression of the parts to be held together. Features: Please see the specifications in the table below for full details. If you have any questions or doubts, or if your requirements include specific dimensions, please contact us prior to placing your order. PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot. ASMC Industrial Brand fasteners are guaranteed to be of the highest quality and are lot controlled, providing traceability to the manufacturer and raw material. Product Details: Material: Stainless Steel 18-8 (A2) Fastener Type: Hex Jam Nut Thread Size: 5/16"-18 Exterior Finish: Plain Finish (No Plating) Metal Type: Stainless Steel Item Weight ‏ : ‎ 0.16 Ounces Date First Available ‏ : ‎ June 7, 2015 Manufacturer ‏ : ‎ ASMC Industrial Best Sellers Rank: #689,596 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2,535 in Hex Nuts #2,535 in Hex Nuts Customer Reviews: 5.0 5.0 out of 5 stars 2 ratings