Bronze Carriage Bolt
Silicon Bronze Coach Bolt
Silicon Bronze Carriage Bolts - FairWindFasteners
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Silicon Bronze Carriage Bolts

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Our carriage bolts, often also referred to as coach bolts, are of the highest quality available, and made of a solid 655 Silicon Bronze alloy. 

Our carriage bolts are partially threaded, with a fully bodied shank and beautifully cut threads, unlike the "carriage bolts" that our competitors carry. The full bodied shank will mean a stronger bolt, and one that will seal nicely in it's clearance hole. As with all of our bronze fasteners, we've carefully chosen our supplier here so that we are only selling the highest quality bronze carriage bolts available.

Round head, square neck.

Meets ANSI/ASME B18.5 Standard Specifications:

ANSI Standards for Carriage Bolts

The formula for determining thread length is: Bolts 6 in. and shorter, 2 diameters plus 1/4 in. Bolts over 6 in. 2 diameters plus 1/2 in. If bolts are too short to apply the formula, the thread will be extended as close to head as possible.

Customer Reviews

Based on 46 reviews
Douglas McElvy
Fast Shipping

Super fast shipping and good quality. They were perfect for my canoe build.

William Lenssen

Just what I was looking for. are of great quality.

John Janicek
Continued Excellent Service

Fairwind Fasteners does not disappoint. High quality product plus very fair prices and shipping that is fast and on time. You can’t beat that combination. Our boat shop will definitely remain loyal customers.

Michael S Ellegood, PE, A&P/IA
Continued great support

I am an occasional purchaser of SI-Br fasteners for small boat projects that I work on. In spite of the fact that my orders are small they provide great and fast customer service. And….their quality is superb. I have made unsolicited recommendations for Fair Wind on Facebook in their wooden boat forum.

Bill Merrill
My first stop

My go-to for bronze during a recent trawler refit. Very prompt, always in stock, good stuff.