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18-8 Stainless Steel Heavy Hex Nuts

18-8 Stainless Steel Heavy Hex Nuts

SKU: FN-NT-HHN-18· 14 sizes

Bulk-Only Item

Minimum order quantity: 25 pieces per pack. Ships 7 business days after your cart reaches the $500 bulk minimum — bulk-only and regularly-stocked items both count. Learn more →

$21.68/ 25 pcs

$0.87/ea

pack

1 pack × 25 = 25 pieces

In Stock
FN-NT-HHN-5811-SS18-CS-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

Heavy hex nuts in 18-8 Stainless Steel per ASME B18.2.2 — the heavy pattern is wider across the flats and thicker than a finished hex nut of the same thread, giving more bearing area and thread engagement for structural, anchor-bolt, flange and other high-load joints. 13 thread sizes (1/4-20–2-4.5). Sold in bulk multiples.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Drive Type

Hex External

Standard

ASME B18.2.2

Guides: 18-8 stainless steel vs. other grades

Technical Specifications

Nut TypeHeavy Hex Nut
DriveExternal Hex
StandardASME B18.2.2
Material Grade18-8 (A2-70)
FinishPlain

Order any size — 14 in this family

Type the packs you need and press Add; sort any column.

Packs
18-8 Stainless Steel
18-8 Stainless Steel Heavy Hex Nuts
1/4-20500FN-NT-HHN-1420-SS18-CS-EHEX-PL$46.29$0.09/eapack of 500 · $0.09 ea
5/16-18250FN-NT-HHN-51618-SS18-CS-EHEX-PL$33.33$0.13/eapack of 250 · $0.13 ea
5/16-243,500FN-NT-HHN-51624-SS18-FS-EHEX-PL$258.58$0.07/eapack of 3,500 · $0.07 ea
3/8-16100FN-NT-HHN-3816-SS18-CS-EHEX-PL$21.63$0.22/eapack of 100 · $0.22 ea
7/16-1450FN-NT-HHN-71614-SS18-CS-EHEX-PL$10.97$0.22/eapack of 50 · $0.22 ea
5/8-1125FN-NT-HHN-5811-SS18-CS-EHEX-PL$21.68$0.87/eapack of 25 · $0.87 ea
3/4-1010FN-NT-HHN-3410-SS18-CS-EHEX-PL$15.11$1.51/eapack of 10 · $1.51 ea
7/8-910FN-NT-HHN-789-SS18-CS-EHEX-PL$24.11$2.41/eapack of 10 · $2.41 ea
1-85FN-NT-HHN-18-SS18-CS-EHEX-PL$19.56$3.91/eapack of 5 · $3.91 ea
1-1/8-75FN-NT-HHN-11187-SS18-CS-EHEX-PL$29.12$5.82/eapack of 5 · $5.82 ea
1-1/4-75FN-NT-HHN-11147-SS18-CS-EHEX-PL$28.11$5.62/eapack of 5 · $5.62 ea
1-1/2-65FN-NT-HHN-11126-SS18-CS-EHEX-PL$54.39$10.88/eapack of 5 · $10.88 ea
1-3/4-55FN-NT-HHN-13445-SS18-CS-EHEX-PL$106.36$21.27/eapack of 5 · $21.27 ea
2-4.55FN-NT-HHN-245-SS18-CS-EHEX-PL$71.94$14.39/eapack of 5 · $14.39 ea