We’ve spent hundreds of hours researching and comparing Propeller Lock Nut of all specifications to find the best one for any need (or budget). Here are the results.

The Best Propeller Lock Nut of 2020 – Top Rated & Reviewed

2,798 Reviews Scanned

Rank No. #1
30pcs FPV M5 Nuts CW Self-Locking Lock Nuts Flanged Nylon Insert Aluminum Alloy for FPV Parts Quadcopter Motor Prop Adapter RC Racing Drone (6 Colors)
  • Compatible Drones: Compatible with all 5mm Shaft Motors (1800 - 2400 brushless motor 2204 2205 2206 2305 2406,such as ARRIS, DYS, EMAX etc.
  • Weight&Size: 0.41g/pc, diameter of mounting hole is 5mm.
  • Very Stable: Use these self locking nuts to customize your air-frame and secure your props do not come loose during flight.
  • Material: aluminum alloy.
  • What you get: 30PCS in all,6 colors.
Rank No. #2
iFlight 25pcs M5 Lock Nuts CW Flanged Nylon Insert Aluminum Alloy Self-Locking Nuts for RC Drone Quadcopter Motor Prop Adapter FPV Parts (Mix Colors)
  • M5 low profile, ultra-light aluminum flange lock nuts
  • Compatible with all 5mm Shaft Motors (1800 - 2400 brushless motor 2204 2205 2206 2305 2406,such as ARRIS, DYS, EMAX etc
  • Use these self locking nuts to customize your air-frame and secure your props do not come loose during flight
  • These flanged lock nuts are very low profile making them perfect for mini motors that don't have a tall prop adapter. This ensures the nylon inside the nut can actually engage even on short adapters
  • Pack of 25pcs locknuts (each color 5pcs), all CW thread
Rank No. #3
McGard 74039 Marine Propeller Lock Set (3/4"- 16 Thread Size) - Mercury/MerCruiser/OMC - Set of 1
  • Overall Lock Length - 1.025"
  • 3/4" - 16 Thread Size
  • 1 - 1/16" Hex Size
  • Propeller Locks
  • Set of 1 Lock, 1 Key, 1 Washer and 1 Cap
Rank No. #4
MERCURY OEM Propeller Nut and Tab Washer Kit 11-52707T 1
  • SKU: 11-52707T1
  • Sold Each
  • Please verify your own fitment
Rank No. #5
Hobbypark Aluminum M5 Lock Nuts CW CCW Nylon Self-Tightening RC Drone Quadcopter Motor Prop Adapter FPV Parts
  • Compatible with:all 5mm Shaft Motors (1800 - 2400 brushless motor 2204 2205 2206 2305 2406,such as ARRIS, DYS, EMAX etc
  • Made of Aluminum alloy, light weight, high strength, corrosion resistance
  • CNC machined for precision.Threads are clean and smooth.Increased strength and precision.Easy upgrade from the original part
  • Package include: 8PCS ,4PCS for CW motor and 4PCS for CCW motor
  • Produced By HobbyPark ,Well made and durable,100% New
Rank No. #6
Hobbysky M5 Aluminum Nylon Lock Nuts Self-Tightening Prop Nuts for 250 and 285 Quad RC FPV Racing Drone 2204 2205 2206 2305 2406 (4 Pairs)
  • ★ M5 Nuts for 250 and 285 FPV Racing Drone Motors.
  • ★ Made of Aluminum Alloy,Nylon Insert,Light Weight (only 0.6g each) ,High Strength, Corrosion Resistance and Ideal for Prop Mounts on Your Motors
  • ★ Compatible with All 5mm Prop Motors (1800 - 2400 Brushless motor),2204 2205 2206 2305 2406 etc, Such as Hobbysky Hobbymate EMAX DYS etc.
  • ★ CNC Machined for Precision.Threads are Clean and Smooth.Increased Strength and Precision.Easy Upgrade from the Original Part
  • ★ Package Include:8pcs M5 Lock Nut.(4xCW Red,4xCCW Black)
Rank No. #7
Sierra International 18-3701, Prop Nut Kit
  • For : Mercury/Mariner 75hp & higher O/Bs (except 225EFI 4-Stroke) & MerCruiser Alpha One & Bravo Drives
  • Visit Amazon’s SONAR parts finder at fit-guideseastarsolutionscom to ensure this product will fit your application
Rank No. #8
20Pcs M5 Motor Screw Props Nut Flange Nut Propeller Adapter Quick Release Wrench Tool CW CCW for RC FPV Racing Drone 2204 2205 2306 Motor
  • M5 Aluminum Flanged Lock Nut compatible with 5mm Prop Motors (1800 - 2400 brushless motor),most common shaft size
  • Made of high-quality aluminum alloy, light weight, high strength
  • Fit for like Emax RS2205 2204 2205 2206 2305 2406 brushless motors with M5 motor shaft
  • Pack with Quick Release Wrench Tool for the outer diameter of the bullet 6MM / 8MM / 10MM hex nut
  • This combo can save time to spend on releasing or mounting motor caps,ensuring your propellers do not come loose during flight
Rank No. #9
Sierra International 18-3702 Marine Prop Nut Kit for Mercury/Mariner Outboard Motor
  • SHURFLO Model 4008 Repair Kit
  • Switch assembly
  • Fit specific, check model numbers and part numbers to ensure proper fit
Rank No. #10
DGZZI M5 Aluminum Locknut 8PCS Black M5 Aluminum Nuts Flange Nylon Lock Nut for RC Drone FPV Parts
  • Made of high-quality aluminum alloy, light weight, high strength, durable and long service life.
  • Easy to use, turn the nut clockwise to lock.
  • The 4.5mm high nut is low and suitable for most 5mm motors.
  • Use these self-locking nuts to secure the fuselage and ensure that your drone does not loosen during flight.
  • Color: Black.Package Included:8PCS Lock Nut.

Last update on 2022-01-14 / Affiliate links / Product Titles, Images and Descriptions from Amazon Product Advertising API

Top Rated Propeller Lock Nut to Buy Now


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How to Choose the Best Propeller Lock Nut (with Price and Reviews)

Although most Propeller Lock Nut are similar, there are several differences worth noting. Here are nine criteria to consider when choosing an Propeller Lock Nut:

(1) Propeller Lock Nut Price and Reviews

Although price is not the only factor to consider, it is nevertheless extremely important. The price of an Propeller Lock Nut should be in line with its value. You can compare Propeller Lock Nut reviews to make sure you are getting a fair price. This is easy to do on Amazon.

(2) Demand

The demand for a particular Propeller Lock Nut is a good indication of its ability to perform the functions for which it was designed. If a product has been around for a while and still has a high demand, it is likely a good product.

(3) Material

Propeller Lock Nut materials differ from manufacturer to manufacturer. Consider where and how you will be using your Propeller Lock Nut to determine if one material would be better than another.

(4) Size

Like most products, Propeller Lock Nuts come in various sizes. Do you need a large Propeller Lock Nutor a small one? Think about where you will use your Propeller Lock Nut in order to determine the best size. You can also read the customer reviews on Amazon to see what others are saying about the size of the unit they purchased.

(5) Color

Propeller Lock Nuts also come in a variety of colors. Do you need a particular color? You should also consider whether the color of your Propeller Lock Nut would have any effect on the efficiency of its operation.

(6) Durability

The durability of an Propeller Lock Nut will be contingent on the materials used as well as the quality of the manufacturing process. Additionally, the type of Propeller Lock Nut you purchase may affect its durability.

(7) Storage

Will you need to store your Propeller Lock Nut? If so, you should consider the size and weight of the Propeller Lock Nutto make sure that it can be stored properly. Also, give some consideration to the type of climate in which your Propeller Lock Nut will be stored.

(8) Customer Ratings

Customer rating is one of the best criteria for choosing an Propeller Lock Nut. It is hard to know exactly how an Propeller Lock Nut will perform until you get it home and try it out.

(9) Warranty

Make sure the Propeller Lock Nut you are considering is backed by a good manufacturer’s warranty. If it isn’t, you might be better off with another ones.