New Arrivals/Restock

Chenango Supply 5/16-18 x 3 Stainless Steel Socket Head Cap Screws – 18-8 Stainless, Full Thread, Hex Drive 1/4, Coarse Thread Machine Screws, 25 Pieces (5/16-18 x 3)

flash sale iconLimited Time Sale
Until the end
19
50
50

US$19.19 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used  US$12.80
quantity

Product details

Management number 211232057 Release Date 2026/04/04 List Price US$12.80 Model Number 211232057
Category

5/16-18 stainless steel socket head cap screws designed for mechanical assembly, fabrication work, and equipment maintenance where reliable fastening and corrosion resistance are required. Specifications Size: 5/16-18 x 3 inches Material: 18-8 stainless steel Thread type: Coarse (5/16-18) Drive type: Hex socket Hex drive size: 1/4 Head diameter: 0.469 inches Head height: 0.313 inches Shank: Full thread Quantity: 25 pieces Performance & Application Explanation Socket head cap screws use a high cylindrical head and recessed hex drive to deliver strong torque engagement and dependable clamping force. Coarse threads allow easier installation in brittle materials and accommodate thicker coatings or platings. The 18-8 stainless steel build ensures corrosion resistance for indoor, outdoor, and moisture-exposed environments. Fully threaded shanks maximize thread engagement for use with nuts or pre-tapped holes. B2B Use Cases Ideal for machinery assembly, equipment repair, fabrication fixtures, automotive work, and general industrial applications requiring standardized 5/16-18 stainless steel fasteners. Quality & Trust Reassurance Threading, head geometry, and material properties align with professional expectations for dimensional accuracy and long-term reliability. Designed for consistent performance in demanding mechanical and industrial environments.

  • 18-8 STAINLESS STEEL BUILD – Corrosion-resistant stainless steel supports durability in fabrication, equipment repair, and mechanical assembly where long-term reliability is required.
  • PRECISE 5/16-18 x 3 SPECS – Coarse thread design improves threading in pre-tapped holes and brittle materials; length measured under the head for accurate installation planning.
  • STRONG HEX SOCKET DRIVE – 1/4 hex drive with .469" diameter and .313" height head provides dependable tool engagement, addressing customer concerns about stripping and breakage.
  • FULLY THREADED SHANK FOR HOLD – Full-length threading increases grip strength in nuts or tapped holes and supports consistent performance across a wide range of machine assembly tasks.
  • 25-PIECE HARDWARE PACK – Packaged for maintenance teams, shops, and installers needing consistent quantities of stainless steel socket head cap screws for repeatable fastening work.
Brand Chenango Supply
Model S50B-C05300-25
Head Type Socket
Size Name 5/16-18 x 3
Metal Type Stainless Steel
Part Number S50B-C05300-25
Thread Size 5/16"-18
Thread Type Unc
Drive System External Hex
Finish Types bright
Manufacturer Chenango Supply
Thread Style Right Hand
Fastener Size 5/16-18 x 3
Fastener Type Socket Screws
Material Type Stainless Steel
Exterior Finish Stainless Steel
Thread Coverage Fully Threaded
Number of Pieces 25
Screw Head Style Socket
Set Screw Thread Type Unified National Coarse (UNC)

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review