Stainless Steel Nylon Insert Lock Nuts in SAE and Metric Sizes, 20-360 Piece Packs and Assortments
These stainless steel nylon insert lock nuts add friction around compatible bolt threads to resist loosening under shock and vibration. Polished 304 or 18-8 stainless steel provides corrosion resistance for furniture, automotive repair, machinery, pipe connections and general workshop fastening, while labeled cases keep sizes organized.
Choose a single SAE or metric thread in counts from 20 to 240, an SAE assortment, a metric assortment, or a combined 348- or 360-piece set. The documented 1/4-20 option contains 110 polished 304 stainless nylock nuts. Material and finish may differ among the broad variants, so match thread standard, diameter, pitch and pack description before assembly.
Specifications
- Fastener: Nylon insert lock nut
- Thread systems: SAE and metric
- Material: Stainless steel on documented variant
- Documented grade: 304 or 18-8
- Documented size: 1/4-20
- Documented quantity: 110
- Pack range: 20 to 360 by variant
- Finish: Polished on documented option
- Thread: Fully threaded right hand
- Storage: Clear case with selected assortments
Frequently Asked Questions
What does the nylon insert do?
It grips compatible bolt threads to help resist loosening from shock and vibration.
Which thread systems are offered?
The variants include individual SAE and metric sizes plus single-system and combined assortments.
What comes in the 1/4-20 option?
That documented variant contains 110 polished 304 stainless steel nylon insert lock nuts.
Are all variants identical in material and finish?
No. Review the complete selected size and assortment description because specifications may differ.