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Fastenio — Precision Fastening Solutions

Machine Screw Nuts

5 products · 28 sizes

5 products in multiple materials

Brass — Non-magnetic and non-sparking, with good corrosion resistance and a gold finish. Softer than steel, so it's for light loads and decorative or electrical work.

Silicon Bronze — Marine-grade copper alloy with excellent resistance to salt water. Traditional for boat building and the choice when galvanic compatibility with bronze fittings matters.

18-8 Stainless Steel — The standard stainless for outdoor and wet environments: it won't rust, is non-magnetic in the annealed state, and costs less than 316. Not suited to salt water or harsh chemicals.

316 Stainless Steel — The most corrosion-resistant stainless we stock. Chosen for salt water, pool and chemical exposure, where 18-8 can pit over time.

Steel — Plated carbon steel for general fastening indoors or where the finish provides enough corrosion protection.

28 matching sizes in 5 products

FinishPacks
Brass
Brass Machine Screw Hex Nuts
#2-56Plain / Natural2,500FN-NT-MSN-256-BRASS-CS-EHEX-PL$81.85$0.03/eapack of 2,500 · $0.03 ea
#4-40Plain / Natural2,500FN-NT-MSN-440-BRASS-CS-EHEX-PL$75.30$0.03/eapack of 2,500 · $0.03 ea
#5-40Plain / Natural1,000FN-NT-MSN-540-BRASS-CS-EHEX-PL$54.52$0.05/eapack of 1,000 · $0.05 ea
#6-32Plain / Natural1,000FN-NT-MSN-632-BRASS-CS-EHEX-PL$84.92$0.08/eapack of 1,000 · $0.08 ea
#8-32Plain / Natural1,000FN-NT-MSN-832-BRASS-CS-EHEX-PLOut of stock—
#10-24Plain / Natural1,000FN-NT-MSN-1024-BRASS-CS-EHEX-PL$71.84$0.07/eapack of 1,000 · $0.07 ea
#10-32Plain / Natural1,000FN-NT-MSN-1032-BRASS-FS-EHEX-PL$133.78$0.13/eapack of 1,000 · $0.13 ea
#12-24Plain / Natural500FN-NT-MSN-1224-BRASS-CS-EHEX-PL$85.89$0.17/eapack of 500 · $0.17 ea
3/8-16Plain / Natural100FN-NT-MSN-3816-BRASS-CS-EHEX-PL$46.09$0.46/eapack of 100 · $0.46 ea
Silicon Bronze
Machine Screw Hex Nuts Silicon Bronze
#6-32Plain / Natural500FN-NT-MSN-632-SIBR-CS-EHEX-PL$47.71$0.10/eapack of 500 · $0.10 ea
#8-32Plain / Natural500FN-NT-MSN-832-SIBR-CS-EHEX-PL$50.27$0.10/eapack of 500 · $0.10 ea
#10-32Plain / Natural1,000FN-NT-MSN-1032-SILBRZ-FS-EHEX-PL$237.42$0.24/eapack of 1,000 · $0.24 ea
18-8 Stainless Steel
18-8 Stainless Steel Machine Screw Hex Nuts
#3-48Plain / Natural5,000FN-NT-MSN-348-SS18-CS-EHEX-PL$114.60$0.02/eapack of 5,000 · $0.02 ea
#4-40Plain / Natural1,000FN-NT-MSN-440-SS18-CS-EHEX-PL$25.24$0.03/eapack of 1,000 · $0.03 ea
#5-40Plain / Natural1,000FN-NT-MSN-540-SS18-CS-EHEX-PL$61.14$0.06/eapack of 1,000 · $0.06 ea
#6-32Plain / Natural1,000FN-NT-MSN-632-SS18-CS-EHEX-PL$28.62$0.03/eapack of 1,000 · $0.03 ea
#8-32Plain / Natural1,000FN-NT-MSN-832-SS18-CS-EHEX-PL$34.28$0.03/eapack of 1,000 · $0.03 ea
#10-24Plain / Natural1,000FN-NT-MSN-1024-SS18-CS-EHEX-PL$35.60$0.04/eapack of 1,000 · $0.04 ea
#10-32Plain / Natural1,000FN-NT-MSN-1032-SS18-FS-EHEX-PL$39.68$0.04/eapack of 1,000 · $0.04 ea
#12-24Plain / Natural500FN-NT-MSN-1224-SS18-CS-EHEX-PL$35.96$0.07/eapack of 500 · $0.07 ea
1/4-20Plain / Natural500FN-NT-MSN-1420-SS18-CS-EHEX-PL$34.15$0.07/eapack of 500 · $0.07 ea
3/8-16Plain / Natural100FN-NT-MSN-3816-SS18-CS-EHEX-PL$13.81$0.14/eapack of 100 · $0.14 ea
316 Stainless Steel
316 Stainless Steel Machine Screw Hex Nuts
#6-32Plain / Natural1,000FN-NT-MSN-632-SS316-CS-EHEX-PL$45.30$0.05/eapack of 1,000 · $0.05 ea
#8-32Plain / Natural500FN-NT-MSN-832-SS316-CS-EHEX-PLOut of stock—
#10-24Plain / Natural500FN-NT-MSN-1024-SS316-CS-EHEX-PL$27.69$0.06/eapack of 500 · $0.06 ea
#10-32Plain / Natural500FN-NT-MSN-1032-SS316-FS-EHEX-PL$32.86$0.07/eapack of 500 · $0.07 ea
#12-24Plain / Natural500FN-NT-MSN-1224-SS316-CS-EHEX-PLOut of stock—
Steel
#10-32 Zinc-Plated Steel Machine Screw Hex Nuts
—Zinc Plated10,000FN-NT-MSN-1032-STZN-FS-EHEX-PL$278.80$0.03/eapack of 10,000 · $0.03 ea