Stainless Steel Bolts

At Marsh Fasteners, we Stock a Complete Line of Stainless Steel Hex Bolts, Stainless Steel Lag Bolts, Stainless Steel Carriage Bolts and Stainless Steel Cap Bolts. Our Extensive Inventory of all These Categories Allows us to Offer you the Most Competitive Pricing , Whether Your Looking for a Box or a Pallet.

We Stock These Products in Both 18-8 / 304 Stainless Steel or 316 Stainless Steel.

Please Visit the Individual Departments for the Most Popular Sizes of Stainless Steel Bolts in our Store, or Contact us at 800 453-4642 for Prompt Service. When Ordering, Please Specify if you Need the Stainless Steel Nuts or Stainless Steel Washers With the Bolts.

FAQs on Bolts

• What are the Marks Shown on the Head of a Stainless Steel Bolt?
  The Marks Shown on the Head of a Bolt Represent the Grade of Stainless of the Bolt. 304 and 316 are the Most Common Marks.

• What is the Thread Length of the Bolt?
  The Thread Length of the Bolts is Either Fully Threaded or Partial Thread. Partial Thread Bolts are Longer. The General Rule for Partial Thread Bolts is 2 Times the Diameter, Plus 1/2". This is the Thread Length. For Longer, Fully Threaded Bolts you Can use a Tap Bolt Located in our Tap Bolt Category Below.

• What Grade are Stainless Steel Bolts?
  Usually, Stainless Steel Bolts Come in 18-8 / 304 Stainless Steel or 316 Stainless Steel Grades.

• Why do Stainless Steel Bolts Seize?
  When the Bare Metal Meets, it Will Shear or Cold-Weld Together. As you Tighten Further, the Weld Strengthens and the Fastener Will Eventually Seize. If Tightening Continues, it Will Lead to Severe Damage to the Threads.

• How to Stop Stainless Steel Bolts from Seizing?
  A Lower RPM Should be Used When Tightening Stainless Steel Bolts. An Anti-Galling Lubricant May Also Help to Prevent Seizing. Please See Our Chemicals Department For More Information.

• What Bolts and Screws Should be Used for Fiberglass Boats?
  Stainless Steel (These are the Strongest) or Brass Bolts and Screws are Both Good Options. To Avoid Rust and Other Problems, be Sure to Steer Clear of Galvanized Alternatives.