exterior - What type of screw is the most resistant to rust: galvanized, stainless steel, or deck screws? - Home Improvement Stack Exchange

Carriage bolts feature a smooth, dome shaped head, without an external drive for appearance, safety and security. Underneath the head is a square section that is the same diameter as the threaded portion of the bolt, allowing the bolt to be installed with just a single tool. Pre-drilled holes are required for installation.

The Hillman Group 812695 Hot Dipped Galvanized Carriage Bolt, 3/4 x 8-inch, 20-Pack

Big Timber No. 10 X 2-3/4 in. L Cape Cod Gray Star Trim Head Composite Deck Screws 21 lb 1 pk - Ace Hardware

Fastener + Fixing Magazine #87 by Fastener + Fixing Magazine - Issuu

wood - rust-proof solution for attaching 2x4 to 4x4? - Home Improvement Stack Exchange

Stainless Steel Classic A2 Wood Screws 4.0x45(Box of 200) - Timber Focus

How to choose the correct screws for decking

45 pieces per package Ideal for building decks and other outdoor wood projects High marine grade 305 Stainless Steel Coating offers superior rust and

Hillman 42487 Power Pro Premium 305 Stainless Steel Wood Screw, 8 X 1 1/4-Inch, (Pack of 45)

Drive screws that don't corrode

1/2 in.x8 in. Hex Structural Washer-Head, 316 SS, Hex-MEL

The Outdoor Accents structural wood screw reduces installation time by driving easily without predrilling. When combined with the patented, load-rated Outdoor Accents hex-head washer, the solution delivers the decorative appearance of a bolt connection but with a much easier installation. The structural wood screw can be used with either the Mission Collection or Avant Collection, as well as separately to add flair to any outdoor project. The 5-1/2 in.

Simpson Strong-Tie Sdws25200dbb-r50 - 2 x .250 Outdoor Accents Structural Wood Screw

A sheet metal screw has sharp threads that cut into a material such as sheet metal, plastic, wood, hard rubber, aluminum, and other comparable compositions. Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood.

Hard to Find Fastener White Phillips Pan Sheet Metal Screws

12x10 Stratford Traditional Steel Pergola – Backyard Discovery