Zinc Plated Steel Two Way Reversible Lock Nuts
What are zinc plated two way reversible lock nuts? Zinc plated steel two way reversible lock nuts, also called centerlock nuts, are all-metal lock nuts with indentations on the hex that slightly distort the center threads to resist loosening. The zinc plating adds corrosion resistance, and the all-metal design locks from either side and holds at temperatures that would soften a nylon insert.
When to use a zinc two way lock nut
Zinc plated two way lock nuts are the economical all-metal choice for high-vibration and higher-heat joints where a nylon insert nut would not hold up. The hex indentations distort the center threads for prevailing torque that locks whether the nut is threaded top-up or top-down. Being all-metal, they keep working at temperatures that soften nylon and tolerate more reuse. The zinc plating gives corrosion resistance for indoor and general outdoor use. For wet or coastal exposure, choose a stainless version.
Why choose zinc plated two way lock nuts
- All-metal locking: no nylon to soften in heat.
- Reversible: locks threaded from either side.
- Economical: cost-effective all-metal lock nut.
- Zinc plated: added corrosion resistance for indoor and general outdoor use.
Common applications for zinc two way lock nuts
- Automotive, truck, and engine-area hardware
- Machinery serviced and reassembled often
- Heavy vibration joints
- Indoor and dry higher-heat work
For wet or coastal use, see 18-8 stainless two way lock nuts, and browse every material on the main lock nuts category.
Zinc Plated Two Way Reversible Lock Nuts FAQ
What does two way or reversible mean?
The center-thread distortion lets the nut lock whether threaded top-up or top-down, so there is no wrong side, which speeds installation.
Are zinc two way lock nuts good outdoors?
The zinc plating suits indoor and general dry outdoor use. For wet, coastal, or saltwater exposure, choose an 18-8 or 316 stainless version.
How is this different from a nylon insert lock nut?
It locks with distorted metal threads instead of a nylon collar, so it keeps working at high temperatures that would soften nylon and tolerates more reuse.