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Fastenio — Precision Fastening Solutions
3/8-16 Flanged Nylon Insert Lock Nuts Stainless Steel 18-8

3/8-16 Flanged Nylon Insert Lock Nuts Stainless Steel 18-8

SKU: FN-NT-FNIN-3816-SS18-CS-EHEX-PL

Bulk-Only Item

Minimum order quantity: 100 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 →

$63.97/ 100 pcs

$0.64/ea

pack

1 pack × 100 = 100 pieces

In Stock
FN-NT-FNIN-3816-SS18-CS-EHEX-PL
Free US shipping 30-day returns Ships ~7 business days

3/8-16 hex flange nylon insert lock nuts in 18-8 stainless steel. A nylon ring grips the bolt thread to resist loosening from vibration, and the integral flange spreads the load like a built-in washer. 9/16" hex, coarse UNC thread, corrosion-resistant 18-8 (A2-70) stainless. Sold in production-volume bulk packs.

Material

Stainless Steel

Finish

Plain / Natural

Grade

18-8 (A2-70)

Size

3/8-16

Drive Type

External Hex

Standard

ASME B18.16.6

Guides: What does 1/4-20 mean? · 18-8 stainless steel vs. other grades

Technical Specifications

Thread Size3/8-16
Thread TypeCoarse
Width Across Flats9/16 in
Locking ElementNylon insert (prevailing torque)
Bearing FaceIntegral flange
StandardASME B18.16.6
Material Grade18-8 (A2-70)
FinishPlain