Flat Head SS316 Machine Screw
316 Stainless Steel Machine Screw
Phillips and Slotted 316 Stainless Machine Screws
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Flat Head Stainless Steel Machine Screw

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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 flat head 316SS machine screws, or machine bolts come in imperial sizes, have a countersunk (CSK) head, and are available in either phillips or 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

Excellent service

Tim Brennan
Lightning Shipping and Top Quality Goods

Had a tough time sourcing the hardware I was looking for locally. Fair Wind Fasteners had exactly what I needed and got it to me fast. The quality is excellent and I feel good about the longevity of the parts. Came in a great little drawstring bag rather than plastic which I was pumped about! Thanks again for bailing me out!

Highest Quality

Fast shipping, great product as usual. My go to for fasteners!

High quality!

I searched everywhere for a certain size of stainless 316 fastener. So happy to find it at Fairwind Fasteners. Great service and selection. Don’t settle for lower quality hardware from the big retailers.

John Hansen

Great service speedy delivery!