Best Motor Screws for FPV Drones (2026)
Updated How we research
iFlight 150pcs M2 Button Head Hex Socket Cap Screws 10.9 Alloy Steel for Brushless Motors FPV
iFlight 150pcs M2 button head hex socket cap screws in 10.9 alloy steel, sized for brushless motor mounting on FPV quads.
Sutemribor M2 M3 M4 Alloy Steel Hex Socket Head Cap Screws Nuts Washers Kit 1200PCS
Sutemribor alloy steel hex socket head cap screw, nut and washer kit in M2, M3 and M4, a 1200PCS workshop assortment.
Motor screws are tiny but critical, holding your motors to the arms through every punch and hard landing. What matters is correct thread size and length, strong material, and a head type that resists stripping. A screw that is too long can bottom out into the windings and damage the motor, while one too short may not hold, so getting the length right for your motor and frame is essential. This guide suits builders mounting new motors and anyone who has stripped a head mid-repair. Keep a stock of the right sizes, since these small parts get lost and worn easily and you never want a build stalled for lack of one screw. Consider quality steel and a clean drive to avoid cam-out. Match thread and length to your motors and frame, choose durable screws with a solid head, and your motors stay firmly mounted through the roughest flying.
The short version
We compared 7 picks. Our scores range from 7.6 to 8.6 out of 10.
- Best overall:iFlight 150pcs M2 Button Head Hex Socket Cap Screws 10.9 Alloy Steel for Brushless Motors FPV. Highest overall score in this guide at 8.6/10.
- Also great value:Sutemribor M2 M3 M4 Alloy Steel Hex Socket Head Cap Screws Nuts Washers Kit 1200PCS. Value score of 9/10, overall 8.5/10.
- Solid build:iFlight M3 Titanium Hex Allen Socket Button Head Screws (M3 x 6mm, 20pcs). Build and materials score of 9/10, overall 7.8/10.
- Feature-rich:Hosim 500pcs M3 M4 M5 Alloy Steel Socket Cap Screws Hex Bolt Nuts Kit for FPV RC Quadcopter. Features score of 8/10, overall 7.6/10.
Scores are our editorial assessment, not customer ratings. How we score
- 1.iFlight 150pcs M2 Button Head Hex Socket Cap Screws 10.9 Alloy Steel for Brushless Motors FPV8.6/10See on AmazonCheck price
- 2.Sutemribor M2 M3 M4 Alloy Steel Hex Socket Head Cap Screws Nuts Washers Kit 1200PCS8.5/10See on AmazonCheck price
- 3.iFlight M3 Titanium Hex Allen Socket Button Head Screws (M3 x 6mm, 20pcs)7.8/10See on AmazonCheck price
- 4.Glarks 230Pcs M3 Stainless Steel Button Head Socket Cap Bolts Screws Nuts Kit7.8/10See on AmazonCheck price
- 5.Hosim 500pcs M3 M4 M5 Alloy Steel Socket Cap Screws Hex Bolt Nuts Kit for FPV RC Quadcopter7.6/10See on AmazonCheck price
- 6.M3 Stainless Steel Button Head Hex Socket Cap Screws Nuts Assortment Set 300 Pieces7.6/10See on AmazonCheck price
- 7.RC M2 M2.5 M3 M4 Stainless Steel Hex Socket Head Cap Screws Nut Set Assortment Kit7.6/10See on AmazonCheck price
#1iFlight 150pcs M2 button head hex socket cap screws in 10.9 alloy steel, sized for brushless motor mounting on FPV quads.
Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10
- + 10.9 alloy steel is strong, so motor screws resist stretching and snapping
- + Button head profile sits low and clears props and arm edges
- + 150pcs gives plenty of spares for small motors and micro builds
- - M2 fits small motors only, so larger freestyle motors need M3 screws
- - Steel screws can rust if flown often in wet grass without drying
#2Sutemribor alloy steel hex socket head cap screw, nut and washer kit in M2, M3 and M4, a 1200PCS workshop assortment.
Fit for the job 8/10 · Features and specs 9/10 · Build and materials 8/10 · Value 9/10
- + 1200PCS covers years of repairs for a busy FPV workshop
- + Washers are included, which helps spread load on carbon plates
- + M2 through M4 range suits micros, freestyle frames and accessories
- - Socket head cap screws stand taller than button heads near props
- - Big case takes up shelf space that casual pilots may not need
#3iFlight M3 titanium hex socket button head screws in M3 x 6mm, a 20pcs pack for weight-saving motor and frame use.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 9/10 · Value 7/10
- + Titanium is lighter than steel, so builders chasing grams save weight
- + M3 x 6mm length suits many motor mounts on thin arms
- + Titanium does not rust, so screws stay clean after wet flights
- - Only 20pcs, so the cost per screw is high compared with steel kits
- - Fixed 6mm length may be too short for thick arms or tall motor bases
#4Glarks 230Pcs M3 stainless steel button head socket cap bolt, screw and nut kit for frames and general FPV repairs.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 8/10 · Value 8/10
- + Stainless steel resists corrosion better than plain alloy screws
- + Button heads sit flush, reducing snag points around props
- + 230Pcs M3 kit covers the most common frame hardware size
- - Stainless steel is softer than high-grade alloy, so heads can round off
- - M3 only, so it will not help with M2 motor screws on small motors
#5Hosim 500pcs alloy steel socket cap screw, hex bolt and nut kit in M3, M4 and M5 sizes for FPV RC quadcopters.
Fit for the job 7/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10
- + 500pcs across M3, M4 and M5 cover frames, landing gear and larger mounts
- + Alloy steel socket caps take hex keys without stripping easily
- + Includes nuts, so full through-bolt repairs are possible
- - No M2 screws, so small motors and micro boards are not covered
- - Larger M4 and M5 sizes are rarely needed on typical freestyle quads
#6M3 stainless steel button head hex socket cap screw and nut assortment set of 300 Pieces for FPV frames.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10
- + 300 Pieces offer a deep supply of the standard frame screw size
- + Assorted lengths help match different arm and plate thicknesses
- + Stainless finish holds up in damp flying conditions
- - Check the length assortment covers your frame and stack screws
- - Stainless heads strip more easily if the wrong hex key is used
#7RC stainless steel hex socket head cap screw and nut assortment kit in M2, M2.5, M3 and M4 for mixed drone repairs.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 7/10
- + M2.5 sizes are included, which many micro flight controllers use
- + Four sizes in one kit cover whoops through freestyle builds
- + Stainless steel screws resist rust after wet sessions
- - Check the piece count per size before planning a large build
- - Cap head style is bulkier than button heads on tight motor mounts
Before you buy: trade-offs we flagged
No pick is perfect. These are the main compromises we noted for the top products in this guide, so you can check they will not matter for you.
- M2 fits small motors only, so larger freestyle motors need M3 screws (iFlight 150pcs M2 Button Head Hex Socket Cap...)
- Socket head cap screws stand taller than button heads near props (Sutemribor M2 M3 M4 Alloy Steel Hex Socket...)
- Only 20pcs, so the cost per screw is high compared with steel kits (iFlight M3 Titanium Hex Allen Socket Button...)
- Stainless steel is softer than high-grade alloy, so heads can round off (Glarks 230Pcs M3 Stainless Steel Button Head...)
- No M2 screws, so small motors and micro boards are not covered (Hosim 500pcs M3 M4 M5 Alloy Steel Socket Cap...)
- Check the length assortment covers your frame and stack screws (M3 Stainless Steel Button Head Hex Socket Cap...)
Frequently asked questions
›What is the best choice among motor screws for fpv drones (2026)?
iFlight 150pcs M2 Button Head Hex Socket Cap Screws 10.9 Alloy Steel for Brushless Motors FPV is our top overall pick. iFlight 150pcs M2 button head hex socket cap screws in 10.9 alloy steel, sized for brushless motor mounting on FPV quads. It earns our score of 8.6/10, based on fit for the job, features, build and value.
›What is a good budget option?
Sutemribor M2 M3 M4 Alloy Steel Hex Socket Head Cap Screws Nuts Washers Kit 1200PCS is the strongest low-cost pick in this guide. Sutemribor alloy steel hex socket head cap screw, nut and washer kit in M2, M3 and M4, a 1200PCS workshop assortment.
›How much should I expect to spend?
Picks in this guide span See on Amazon price bands (roughly: $ = under $30, $$ = $30 to $100, $$$ = over $100). We never display exact prices because they change constantly, so the buttons above always show Amazon's current price.
›How were these products chosen?
We shortlist products that fit the job this guide solves and compare their published specifications, such as size, capacity, materials and what is included. Each pick gets an editorial score out of 10 for fit, features, build and value, and we write the pros and cons from those details. Our score is not an Amazon customer rating. We earn a commission if you buy through our links, which never affects the ranking.
Drone FPV Lab independently selects every product; we may earn a commission from links above.
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