Round Head Silicon Bronze Machine Screw
Bronze Machine Screw / Bolt
Round Head Bronze Machine Screw
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Round Head Silicon Bronze Machine Screws / Bolts

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Solid 651 Silicon Bronze Round Head Machine Screws with a Slotted Drive

These machine bolts have a round head. You can also find bronze flat head machine bolts or oval head machine bolts on our store.

Our Silicon Bronze Machine Screws, often referred to as Machine Bolts, are the highest quality available, made of a solid 651 Silicon Bronze Alloy, and manufactured to meet ASME B18.6.3 standards. These fasteners are often used as bolts with nuts on the end or can be driven in to tapped holes. All of the Machine Screws we carry come with a slotted drive.

4" lengths and less are fully threaded with rolled threads, while lengths over 4" are partially threaded with full body shanks and cut threads.

We carry one of the largest selections of solid bronze machine screws in the USA. Use them in your boat building application to attach bronze hardware, in your electrical application since bronze is such a good conductor, or in any application where the highly anti-corrosive nature combined with the beauty of bronze is fitting.

We do things a bit differently here at Fair Wind Fasteners. Rather than force you to purchase an entire box of fasteners you can put the exact quantity you need in the quantity box above and we'll box and send the perfect amount. Quantity discounts will be automatically applied.

Customer Reviews

Based on 21 reviews
Phil Brooks
Fast shipping. Received what I ordered

Of course, not being a metallurgist myself, I can't independently verify the quality of the alloy, but the bronze screws and hardware I ordered for my small boat build arrived very quickly and were neatly organized and packed. The threads and drive slots are nicely cut, and the screws look beautiful. Combine that with the nice online store interface and the ability to order as many or as few screws as I want, and I certainly look forward to being a repeat customer.

Matt Foley

quick & satisfactory

Alan Deubner

Round Head Silicon Bronze Machine Screws / Bolts

Frank Cannarella
Low Minimum Quantity

I am very pleased with my purchase from Fair Wind Fasteners. Like many boat projects, the companionway hatch brackets I am fabricating need a very small count of fasteners. No doubt, these need a specific size that won't be needed elsewhere. Fair Wind Fasteners allows me to purchase what I need, not a bulk order which I will never need.

Douglas Clark
Fair Wind fasteners

High quality at a fair price.