



🔧 Lock in strength, lock out failure — the pro’s choice for lasting reliability!
This 100-pack of 3/8-16 Grade 8 nylon insert locknuts by Makers Bolt features heat-treated carbon steel construction with zinc yellow chromate plating for corrosion resistance. Designed with coarse threading and inspected to ASME B18.16.6 standards, these nylock nuts provide superior vibration resistance and industrial-grade durability, making them ideal for professional and demanding applications.
| Material | Nylon, Carbon Steel |
| Fastener Type | Hex |
| Thread Size | 3/8"-16 |
| Exterior Finish | Zinc |
| Metal Type | Carbon Steel |
| Finish Type | Zinc Yellow Chromate |
| Drive System | External Hex |
| Brand | MAKERS BOLT |
| Thread Type | Unified National Coarse |
| Inside Thread Size | 3/8" |
| Grade Rating | Grade 8 |
| Thread Style | External, Coarse - 16 |
| Thread Coverage | Unthreaded |
| Size | 3/8"-16 (100 pack) |
| Item Diameter | 0.38 Inches |
| Compatible groove diameter | 0.28 Inches |
| Number of Pieces | 100 |
| UPC | 810074742375 |
| Manufacturer | Makers Bolt |
| Country of Origin | USA |
| Number of Memory Sticks | 100 |
| Item Weight | 780 g |
| Item part number | 3816HLN8Y100 |
| Are batteries included? | No |
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