Round Head 316SS Machine Screw
Round Head Stainless Steel 316 Machine Screw
Round Stainless Machine Screw - Short
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Round Head Stainless Steel Machine Screws

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Solid 316 Stainless Steel Machine Screws / Bolts

Most retailers will sell stainless steel machine screws and not name the alloy. "Stainless Steel" encompasses a large variety of alloys, and you'll often find that an inferior, and cheaper to produce "Stainless Steel" is what's sold when the alloy goes unnamed. We only carry Type 316 Stainless Steel Machine Screws, and won't sell you anything less, as it's not what we would use on our boat.

316 (A4) Stainless Steel is far more corrosion resistant than it's 304, A2, or 18-8 Stainless Steel counterparts, and should be your go-to alloy in a marine stainless steel application. The additional nickel and molybdenum in 316 stainless adds additional corrosion protection that is necessary in a marine or otherwise corrosive environment.

These round head 316SS machine screws, or machine bolts come in imperial sizes, and are available in slotted drive. They'll polish up to a mirror finish if desired.

Purchase by the piece, or in large boxes to receive quantity discounts and pricing that will beat any other retailer. Simply enter the quantity you'd like in the "Quantity" box above and your discount will be applied if applicable.

Customer Reviews

Based on 5 reviews
Mike Crosby
Excellent service

Our first order with Fair Wind Fasteners was great. Exceptional service from start to finish. We'll be coming back again for our hardware needs.

Thomas Bourgelas
Great service

It is great working with Fair Wind Fasteners. Everything is top quality.

Kevin C. Donohue
Can consistent quality be boring

The material I get from FWF is always the best, the prices are great and the service excellent. What more can be said of a shop that is consistently this good.


Fast and accurate. Will be my first-choice fastener supplier.

Vincent Marzilli
Best online customer service

Very streamlined and efficient buying process. Great website that's easy to navigate, fast shipping, and clear communications. All fasteners will be purchased here in the future.