What sizes do carriage bolts come in?
Typically, carriage bolt sizes range from #10 to 3/4″ in diameter while lengths span from about 1/2″ to 20″—only larger sizes are available in long lengths. Measure length from under the head to the threaded end of the bolt.
What can I use instead of carriage bolts?
If the bolt is going to be used in exterior applications, then another good choice is hot dipped galvanized steel, which will also be extremely resistant to corrosion. Having said that, if the carriage bolt is going to be submerged in water, then the best choice is undoubtedly stainless steel.
What are the different types of carriage bolts?
What are the different types of carriage bolts? The most commonly used types of carriage bolts include roundhead and rib-necked bolts, roundhead and short-necked bolts, flathead and square-necked bolts, and fin necked bolts. All of these bolts have varying application areas and physical properties.
Do you need pilot holes for coach screws?
How do I use a Coach Screw? Timber: All coach screws require a pilot hole, using a general purpose drill bit such as a Twist Drill Bit, before they are screwed into place, preventing the wood from splitting.
What bolts to use on a deck?
Type 304 or higher stainless steel is recommended for very wet environments such as poolside decks; or Type 326 for exposure to salt or saltwater. Watch out: Also, do not mix metals: Use stainless-steel fasteners with stainless-steel connectors and galvanized fasteners with galvanized connectors.
Can I use carriage bolts for deck posts?
The 4×4 railing post should be bolted to the inside of the joists using two ½”x6” galvanized carriage bolts. Corner posts use a third carriage bolt inserted through the adjacent joist.
Are lag bolts as good carriage bolts?
Just as we explained that the lag bolts are quite strong, so are the carriage bolts. Depending on the lag bolt’s grade and the application in which it is installed, you will find that lag bolts can hold up to thousands of pounds. The shear strength of carriage bolts also tends to be relatively high.