Shop now and enjoy free shipping on all orders.

{"id":15862708371616,"title":"5\/16\"-18 x 5\/8\" Button Head Socket Screws, 316 Stainless Steel, 100 Pack","handle":"5-16-18-x-5-8-button-head-socket-screws-316-stainless-steel-100-pack","description":"\u003ch3\u003e5\/16\"-18 x 5\/8\" Button Head Socket Screws, 316 Stainless Steel, 100 Pack\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eButton Head Socket screws, 5\/16\"-18 x 5\/8\", 316 stainless steel. The low dome\nhead presents a clean, snag-free surface; drive with a 3\/16\" hex key or bit.\n316 stainless resists salt and chloride attack for marine and coastal\nassemblies. Precision rolled threads; pairs with standard 5\/16\"-18 nuts and\ntapped holes.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eLOW DOME BUTTON HEAD - smooth rounded head with no sharp edges for exposed surfaces, guards, panels and hand-contact hardware\u003c\/li\u003e\n \u003cli\u003eINTERNAL HEX DRIVE - torque from directly above with an allen key or hex bit; works in counterbores and recesses no wrench can reach\u003c\/li\u003e\n \u003cli\u003eROLLED THREADS - precision cold-formed threads that spin on smooth and torque accurately\u003c\/li\u003e\n \u003cli\u003e316 MARINE STAINLESS - molybdenum-alloyed against salt and chlorides; the socket screw for marine, dock and chemical service\u003c\/li\u003e\n \u003cli\u003eSPECS (5\/16\"-18 x 5\/8\") - 3\/16\" hex key; 316 stainless; ISO 7380 geometry\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-12T16:12:36+10:00","created_at":"2026-09-09T23:36:09+10:00","vendor":"Newport Fasteners","type":"Socket Head Screws","tags":["heavy_industrial_Sep2026"],"price":35800,"price_min":35800,"price_max":35800,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":58887749173408,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B07CPM4QGP","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"5\/16\"-18 x 5\/8\" Button Head Socket Screws, 316 Stainless Steel, 100 Pack","public_title":null,"options":["Default Title"],"price":35800,"weight":794,"compare_at_price":null,"inventory_management":"shopify","barcode":"131330","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/dingoship.com.au\/cdn\/shop\/files\/B07CPM4QGP.jpg?v=1788960971"],"featured_image":"\/\/dingoship.com.au\/cdn\/shop\/files\/B07CPM4QGP.jpg?v=1788960971","options":["Title"],"media":[{"alt":null,"id":70274830598304,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B07CPM4QGP.jpg?v=1788960971"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/dingoship.com.au\/cdn\/shop\/files\/B07CPM4QGP.jpg?v=1788960971","width":500}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003e5\/16\"-18 x 5\/8\" Button Head Socket Screws, 316 Stainless Steel, 100 Pack\u003c\/h3\u003e\n\u003cp id=\"b\"\u003eButton Head Socket screws, 5\/16\"-18 x 5\/8\", 316 stainless steel. The low dome\nhead presents a clean, snag-free surface; drive with a 3\/16\" hex key or bit.\n316 stainless resists salt and chloride attack for marine and coastal\nassemblies. Precision rolled threads; pairs with standard 5\/16\"-18 nuts and\ntapped holes.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eLOW DOME BUTTON HEAD - smooth rounded head with no sharp edges for exposed surfaces, guards, panels and hand-contact hardware\u003c\/li\u003e\n \u003cli\u003eINTERNAL HEX DRIVE - torque from directly above with an allen key or hex bit; works in counterbores and recesses no wrench can reach\u003c\/li\u003e\n \u003cli\u003eROLLED THREADS - precision cold-formed threads that spin on smooth and torque accurately\u003c\/li\u003e\n \u003cli\u003e316 MARINE STAINLESS - molybdenum-alloyed against salt and chlorides; the socket screw for marine, dock and chemical service\u003c\/li\u003e\n \u003cli\u003eSPECS (5\/16\"-18 x 5\/8\") - 3\/16\" hex key; 316 stainless; ISO 7380 geometry\u003c\/li\u003e\n \u003c\/ul\u003e"}

5/16"-18 x 5/8" Button Head Socket Screws, 316 Stainless Steel, 100 Pack

In Stock. Leaves warehouse within 2 - 3 business days

358.00 AUD
Maximum quantity available reached.
Free Shipping Australia Wide
100% Safe & Secure Checkout
100 Days Return Policy *
1 Year Warranty *

5/16"-18 x 5/8" Button Head Socket Screws, 316 Stainless Steel, 100 Pack

Button Head Socket screws, 5/16"-18 x 5/8", 316 stainless steel. The low dome head presents a clean, snag-free surface; drive with a 3/16" hex key or bit. 316 stainless resists salt and chloride attack for marine and coastal assemblies. Precision rolled threads; pairs with standard 5/16"-18 nuts and tapped holes.

Product Features

  • LOW DOME BUTTON HEAD - smooth rounded head with no sharp edges for exposed surfaces, guards, panels and hand-contact hardware
  • INTERNAL HEX DRIVE - torque from directly above with an allen key or hex bit; works in counterbores and recesses no wrench can reach
  • ROLLED THREADS - precision cold-formed threads that spin on smooth and torque accurately
  • 316 MARINE STAINLESS - molybdenum-alloyed against salt and chlorides; the socket screw for marine, dock and chemical service
  • SPECS (5/16"-18 x 5/8") - 3/16" hex key; 316 stainless; ISO 7380 geometry