Flexloc® Locknut Products - Ultra Fasteners USA

Ultra Fasteners USA

the Lock Nut Authority

Flexloc Nuts by Ultra Fasteners USA

 

FLEXLOC® self-locking nuts – Features & Benefits

– One-piece, all metal, prevailing torque locknuts
– Higher temperature use than non-metallic insert type locknuts
– Every thread carries a portion of the induced load
– Impact, shock and vibration resistance
– Elimination of lock wires, lock washers and inserts
– Locking without seating-can be used as stop nuts
– Easy installation and removal

Click the category below for product information and specification sheets.

Ideal for severe service uses. One-piece, all-metal, heavy duty hex exhibits greater wrenchability.

All threads in this low height self-locking nut are load-carrying, imparting exceptional strength. Combines durability and space-savings.

Use this high performance fastener as both a stop and locknut. All-metal, one-piece nut withstands extremes of temperature, shock and vibration.

Delivers maximum weight and space savings. Full height locknut features, with 30% height, 20% weight reduction. Use for tight or compact assemblies.

Large diameter applications requiring full height locknut performance under a demanding load.

Large diameter applications requiring thin height locknut to perform under a load.

Use in applications where maximum strength and wrenchability is required.

Use in applications where maximum strength and wrenchability is required.

Vibration resistant locking without excessive wrenching torques required to tighten nuts with more threads per inch.

For miniature threaded joints in micro-assemblies. Ideal for instruments, electronic apparatus, radar equipment, etc. One-piece, all metal construction. Precisely controlled locking torques.

Special purpose fastener for blind mounting in thin section material. Saves time and money with equipment that is frequently dismantled and reassembled. One-piece, all metal design with the exclusive FLEXLOC locking feature.

Ultra Fastener USA offers a variety of common and hard-to-find self-locking nuts in many different material and finish options.

LOCKNUTS- IT’S WHAT WE DO…

Backed by years of technical experience, we have the ability to offer design and problem solving solutions. 

We offer short lead times on both short and long runs. 

We also have the ability to produce Domestic Nylon Insert Locknuts in any material. 

Let us know what style you want, how many and when you need it.

Typical nuts we supply, list below, but we can also provide locknuts made to your specification.

Popular Items include:

  • FLEXLOC®  .    Nylon Insert   . 12 Points  .   Aerospace  .  Barrel Nuts   .   Spline Nuts

Locknut Styles

  • Hex
  • 12 Point
  • Nylon Insert
  • Anchor
  • Aircraft
  • Large Diameter
  • Gang Channel
  • Clinch

Material Options

  • Steel
  • Stainless
  • Duplex
  • Hastalloy
  • Nitronic
  • Aluminum
  • Brass
  • Monel
  • Bronze
  • Inconel

Finish Options

  • Plain
  • Cad
  • Zinc
  • Phosphate
  • Black Oxide
  • Silver