UNC x Socket Countersunk Screws

The 5/16-18 UNC x 3 inch Socket Countersunk Screws (ASME B18.3) – Stainless Steel (A2) has the following features:0.135 inch Hexagon Depth , ASME B18.3 Manufacturing Standard, 3 inch Overall Length (L), Stainless Steel (A2) Material, Stainless Steel (A2) Material Specification, 18 TPI Screw Thread Pitch, 82 Degrees Countersunk Angle, Natural Finish, Imperial Metric or Imperial?, 5/16-18 UNC Thread Size, 0.656 inch Head Diameter (D), 0.198 inch Countersunk Length (H), 0.3125 inch Body Diameter, +0/-0.056 inch Head Diameter (D) Tolerance, 3/16 inch Socket Size (J), /p/35-stainless-steels Material Link, /p/438-natural-finish Finish Link, +0/-0.0072 inch Body Diameter Tolerace, +/-2 Degrees Countersunk Angle Tolerance. Discover more about the Imperial Socket Countersunk Screws range. Imperial Socket Countersunk Screws are designed for use alongside countersunk holes. The addition of a standard socket drive means that this type of screw can be installed using an Allen Key or Hexagon Drive Bit. Sizing Socket Countersunk Screws are manufactured in imperial thread sizes ranging from No. 0 up to 7/8 inch. lengths are available from 1/8 inch to 10 inch.

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Carrier: UPS/FedEx/USPS. Delivery Timescale: More than 90% of orders arrive in 10 business days after despatch.

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The following conditions must be met:

1. Items must be returned within 30 days after the purchase date.
2. Items must be unworn, undamaged and in original packaging.