5/8" x 20" Hex Bolt, 316Stainless Steel

Type: Bolts
Regular Price $15.99
Item # HB-5820SS316
  • 5/8" x 16" hex bolt
  • Stainless steel, type 316
  • Thread length: 6"
  • Package quantity: 1 piece

In Stock

Payment & Security

Your payment is secure. We don’t store or see your card details.

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Description
Hex Bolts
Hex bolts, commonly called hex head cap screws, are bolts that contain a hexagonal head, smooth shank, and threads. The length of the threads ranges from 1" to 6", depending on the diameter and length of the bolt. The approximate thread length for each specific bolt can be found under the "Product Highlights" section. The length of hex bolts is measured from the bottom of the hex head to the end of the threads. In addition to hex bolts, we also offer tap bolts, which are hex bolts that are fully threaded.

Two flat washers and one hex nut of the same size and finish are typically needed for use with each hex bolt (sold separately). Installation requires that two wrenches be used, as one is needed to hold the hex head in place, while the other tightens the hex nut.

Our inventory of hex bolts includes a variety of lengths and diameters, many of which are available in either stainless steel or hot dipped galvanized finish. If you don't see the size, grade, or finish you are looking for, please call us at 1.800.677.4710.

Product Highlights:
  • 5/8" x 20" hex bolt
  • Stainless steel, type 316
  • Thread length: 6"
  • Package quantity: 1 piece
Additional Info
Item #: HB-5820SS316
Fastener Type: Hex bolt
Head Style: Hex
Neck Style: N/A
Thread Style: Coarse
Material: Stainless steel
Grade: 316
Finish: Stainless steel
Package Quantity: 1
Diameter: 5/8" *
Threads per inch (TPI): 11 *
Thread Length: 6"*
Length: 20" *
Weight: 1.35 lbs. *

* All dimensions and weights are approximate

Why Choose Dockbuilders?

With nearly 30 years of experience, Dock Builders Supply delivers dependable marine construction materials for projects of all sizes. Our products are selected with precision for durability, performance, and real-world dock applications.

Backed by a knowledgeable team and supported with detailed estimates and drawings, we help you plan with clarity and build with confidence — from residential docks to large-scale marina installations.

How It Works

  • Plan & Design

    Share your dock goals, and we’ll create a custom layout and materials list.

  • Select Components

    Choose durable, marine-grade parts tailored to your design.

  • Ship & Build

    We ship your supplies with secure, efficient delivery.