

5/8 UNF Nyloc Nut, A2 Stainless Steel ASME B18.16.6
5/8 UNF Nyloc Nut
Corrosion resistant 5/8 UNF Nyloc nut with a nylon insert that provides a locking action preventing the nut from loosening due to vibration.
The nylon insert also creates a seal against the ingress of liquids making this hex nut a versatile choice.
Manufactured with a (UNF) unified fine pitch thread and in A2 stainless steel which offers a high corrosion resistance.
A versatile corrosion resistant UNF hex nut with an added nylon insert for a stronger hold and resistance against vibration and movement.
When installed the thread from the fixing cuts into the nylon insert for a tighter hold which sees them used where vibration and movement can be a concern.
Used by both DIY enthusiasts and professionals alike across numerous industries including automotive, aerospace, machinery, and general construction.
5/8 UNF Nyloc Nut Specification
- Diameter (TD): 5/8” UNF
- Nut width / socket size (SS): 0.94”
- Nut height (NH): 0.76” max - (NH1): 0.59” min
- Pitch: 18 threads per inch
- Material: A2 stainless steel
- Insert Material: Nylo
Part of a larger range of stainless steel Nyloc nuts (nylon lock nuts) available from Fusion Fixings with bulk price discounts
Original: $1.34
-70%$1.34
$0.40Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
5/8 UNF Nyloc Nut
Corrosion resistant 5/8 UNF Nyloc nut with a nylon insert that provides a locking action preventing the nut from loosening due to vibration.
The nylon insert also creates a seal against the ingress of liquids making this hex nut a versatile choice.
Manufactured with a (UNF) unified fine pitch thread and in A2 stainless steel which offers a high corrosion resistance.
A versatile corrosion resistant UNF hex nut with an added nylon insert for a stronger hold and resistance against vibration and movement.
When installed the thread from the fixing cuts into the nylon insert for a tighter hold which sees them used where vibration and movement can be a concern.
Used by both DIY enthusiasts and professionals alike across numerous industries including automotive, aerospace, machinery, and general construction.
5/8 UNF Nyloc Nut Specification
- Diameter (TD): 5/8” UNF
- Nut width / socket size (SS): 0.94”
- Nut height (NH): 0.76” max - (NH1): 0.59” min
- Pitch: 18 threads per inch
- Material: A2 stainless steel
- Insert Material: Nylo
Part of a larger range of stainless steel Nyloc nuts (nylon lock nuts) available from Fusion Fixings with bulk price discounts


















