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Fastenio — Precision Fastening Solutions
Nylon Insert Lock Nuts Stainless Steel 18-8 Black Oxide

Nylon Insert Lock Nuts Stainless Steel 18-8 Black Oxide

SKU: FN-NT-NIN-SS18-BO· 2 sizes

Bulk-Only Item

Minimum order quantity: 3,000 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 →

$326.40/ 3,000 pcs

$0.11/ea

pack

1 pack × 3,000 = 3,000 pieces

In Stock
FN-NT-NIN-1420-SS18-CS-EHEX-BO
Free US shipping 30-day returns Ships ~7 business days

Nylon insert lock nuts in 18-8 stainless steel to ASME B18.16.6, black oxide finish. A light hex nut with a nylon ring that grips the bolt thread to resist loosening from vibration. A black oxide finish gives a dark, low-glare look over the stainless. 2 sizes (1/4-20 to 5/16-18). Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Black Oxide

Grade

18-8 (A2-70)

Drive Type

Hex External

Standard

ASME B18.16.6

Guides: 18-8 stainless steel vs. other grades

Technical Specifications

Locking ElementNylon Insert (Nyloc)
DriveExternal Hex
Width Across Flats7/16" – 1/2" (by size)
Height0.312" – 0.359" (by size)
Thread TypeCoarse
Material18-8 Stainless Steel
Grade18-8 (A2-70)
FinishBlack Oxide
StandardASME B18.16.6