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UNF Nylon Insert Locking Nuts 1/4" - 1/2" Assorted Box (220 pieces)

UNF Nylon Insert Locking Nuts 1/4" - 1/2" Assorted Box  (220 pieces)
UNF Nylon Insert Locking Nuts 1/4" - 1/2" Assorted Box  (220 pieces)
Part No.
105 116
In stock
Dispatched today if ordered before 4pm
Dispatched next working day

£15.94 £13.28

Description

Overview:
The UNF Nylon Insert Locking Nuts Assorted Box is a 220-piece set of fine-thread hex nuts designed to keep fasteners secure under vibration and load. Each nut is made from strong zinc-plated steel with a nylon insert that grips the bolt thread to resist loosening. The set covers common Unified National Fine (UNF) sizes from 1/4 inch to 1/2 inch (approx. 6.35 mm to 12.7 mm), making it useful for repairs and assembly on construction equipment, garden machinery, plant, trailers, and automotive work. The bright zinc finish offers added corrosion resistance for indoor and outdoor use, while the Type P pattern provides reliable performance. Supplied in an organised assortment box for easy selection. Manufacturer Part Number (MPN): 105 116.

Key Features:
- 220-piece assortment of UNF nylon insert hex lock nuts for workshop and site use
- Sizes included: 1/4" (≈6.35 mm), 5/16" (≈7.94 mm), 3/8" (≈9.53 mm), 7/16" (≈11.11 mm), 1/2" (≈12.7 mm)
- Unified National Fine (UNF) thread for secure, high-grip fastening on fine-thread bolts
- Nylon insert provides prevailing torque to resist loosening from vibration and shock
- Zinc-plated steel for improved corrosion resistance and long service life
- Type P construction for consistent clamping and dependable retention
- Hex form fits standard spanners and sockets for quick, straightforward installation
- Suitable for both indoor and outdoor environments on machinery and vehicles
- Organised assortment box helps speed up maintenance and reduces downtime
- Ideal for preventative maintenance where reliable retention is critical

Typical Applications:
Used to secure bolts on mower decks, engines, transmissions, guards, brackets, linkages, and fixtures. Common in plant and agricultural machinery, garden equipment, automotive repair, trailers, generators, compressors, and workshop jigs. Effective wherever vibration or cyclic loads could loosen standard nuts.

Also known as:
Nylon insert nuts, nyloc nuts, nylock nuts, self-locking nuts, locking nuts, elastic stop nuts, prevailing torque nuts, Type P nyloc.

Alternate Part Numbers:
105116

Product Specifications

More Information
L&S Part No. 105 116
Unit of Sale 220 Pieces
Size Sizes: 1/4", 5/16", 3/8", 7/16", 1/2" UNF

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