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20 Best Castle Nut Wrench (2022 Updated)

A castle nut wrench is a specialized wrench used to remove or tighten castle nuts. Castle nuts are used to secure bolts in place, and are often found on cars and other machinery. A castle nut wrench is usually a small, thin wrench with a V-shaped notch at the end.

20 Best Castle Nut Wrench

Product Image Product Name Features Price

Performance Tool W83008 4 Lug Spindle Nut Wrench

  • Proven and Tested for durabilty and function in real world conditions
  • Leading manufacturer of high-quality products
  • Made to withstand the most challenging jobs

Channellock 810NW 10 in. Adjustable Wrench, Black

  • 10″

Sunex 9710M 10 Piece 3/8" Drive Metric Crowfoot Flare Nut, Wrench Set

  • Fully guaranteed for life
  • Mounted on a convenient storage rail
  • Long life

GearWrench 81906 6-Piece Flare Nut Metric Wrench Set

  • Hex shaped heads give more points of contact on the fastener to prevent damage
  • Ideal for use on hex nuts made of softer materials

OTC Adjustable Gland Nut Wrench

  • Designed to fit hydraulic cylinders on most farm and construction equipment
  • Fits gland nuts from 5.1cm to 15.2cm diameter pin to pin

Attwood Prop Wrench Set – Fits 17/32in to 1-1/4in Prop Nuts

  • Easy to stow – Universal prop kit for quick prop maintenance
  • Fits 9 of the most common prop nut sizes – from 17/32″
  • Lightweight and strong, constructed from engineering composite resins

Real Avid Master Wrench, Armorer's

  • Castle Nut Wrench
  • Torque Receiver
  • Fixed Steel Hammer Head, Brass Hammer Head, Nylon Hammer Head, Rubber Hammer Head

Sunex Tools 9710M 3/8 in. Drive Metric Crowfoot Flare Nut Wrench Set (10-Piece)

  • Includes 10 Crowfoot Flare Nut Wrenches from 10mm to 19mm
  • Open side at each end allows for easy access over lines and tubing while still providing 5 sides for a maximum grip on fasteners

GearWrench 81906 – 6 Piece Metric Flare Nut Wrench Set

  • Fully polished chrome and a long pattern length.
  • Sizes indicated by stamps on both sides and the head of the wrench for greater visibility.

GearWrench 89101D 6 Piece Metric Ratcheting Flex Flare Nut Wrench Set

  • Quickly ratchet nuts and bolts without removing the wrench from the fastener
  • Size is stamped on both sides for quick identification

GearWrench 4-Wheel Drive Spindle Nut Wrench

  • Uniquely designed lugs for max. strength.
  • Use with 1/2” square drive tool.
  • Will work on Ford Vehicles with ratcheting type lock nuts on front axle.

Hazet 772 Wheel Nut Wrench

  • Solid telescopic part, drop forged
  • For sockets of the series 900
  • Surface: chrome-plated

Cal Hawk Tools Labor Saving Lug Nut Wrench

  • Iron cast housing and handle
  • Max torque output: 5000 N – m and trans-speed ratio: 1.58
  • 2 pieces deep impact sockets: 30 mm and 32 mm with black oxide finish

Wheeler 1099561 Professional Armorer's Wrench

  • Fits compact into nylon belt sheath (included)
  • Multi-tool design to perform many different functions in the field
  • Satin-finish stainless steel construction

Magpul Armorer's Wrench – Ar15/m4

  • Heat-treated steel construction with manganese phosphate finish
  • Two hammer faces
  • Free-float tube barrel nut wrench

NcStar AR15 Combo Armorer's Wrench Tool

  • AR-15 Combo Armorer’s Wrench Tool.
  • NcStar TARW Finally an Armorers Wrench with everything that you need.

NcSTAR AR-15 Combo Armorer's Wrench Tool Gen 2

  • Generation 2.
  • Combo tool with many New Features/Tools to work and upgrade your AR-15/ M4/ M16.
  • Barrel Wrench for GI Barrel Nut, Free-Float Barrel Nuts with GI spacing, DD Barrel Nuts, and YHM ( 1″) Spanner wrench.

Ergo 4959 Tactical Car Stock Wrench

  • Mil-Spec Castle Nut Wrench.
  • Standard Length Receiver Extension Removal Wrench.
  • A1/A2 Flash Suppressor Wrench.
Performance Tool W83008 4 Lug Spindle Nut Wrench
  • Proven and Tested for durabilty and function in real world conditions
  • Leading manufacturer of high-quality products
  • Made to withstand the most challenging jobs
Channellock 810NW 10 in. Adjustable Wrench, Black
  • 10″
Sunex 9710M 10 Piece 3/8" Drive Metric Crowfoot Flare Nut, Wrench Set
  • Fully guaranteed for life
  • Mounted on a convenient storage rail
  • Long life
GearWrench 81906 6-Piece Flare Nut Metric Wrench Set
  • Hex shaped heads give more points of contact on the fastener to prevent damage
  • Ideal for use on hex nuts made of softer materials
OTC Adjustable Gland Nut Wrench
  • Designed to fit hydraulic cylinders on most farm and construction equipment
  • Fits gland nuts from 5.1cm to 15.2cm diameter pin to pin
Attwood Prop Wrench Set – Fits 17/32in to 1-1/4in Prop Nuts
  • Easy to stow – Universal prop kit for quick prop maintenance
  • Fits 9 of the most common prop nut sizes – from 17/32″
  • Lightweight and strong, constructed from engineering composite resins
Real Avid Master Wrench, Armorer's
  • Castle Nut Wrench
  • Torque Receiver
  • Fixed Steel Hammer Head, Brass Hammer Head, Nylon Hammer Head, Rubber Hammer Head
Sunex Tools 9710M 3/8 in. Drive Metric Crowfoot Flare Nut Wrench Set (10-Piece)
  • Includes 10 Crowfoot Flare Nut Wrenches from 10mm to 19mm
  • Open side at each end allows for easy access over lines and tubing while still providing 5 sides for a maximum grip on fasteners
GearWrench 81906 – 6 Piece Metric Flare Nut Wrench Set
  • Fully polished chrome and a long pattern length.
  • Sizes indicated by stamps on both sides and the head of the wrench for greater visibility.
GearWrench 89101D 6 Piece Metric Ratcheting Flex Flare Nut Wrench Set
  • Quickly ratchet nuts and bolts without removing the wrench from the fastener
  • Size is stamped on both sides for quick identification
GearWrench 4-Wheel Drive Spindle Nut Wrench
  • Uniquely designed lugs for max. strength.
  • Use with 1/2” square drive tool.
  • Will work on Ford Vehicles with ratcheting type lock nuts on front axle.
Hazet 772 Wheel Nut Wrench
  • Solid telescopic part, drop forged
  • For sockets of the series 900
  • Surface: chrome-plated
Cal Hawk Tools Labor Saving Lug Nut Wrench
  • Iron cast housing and handle
  • Max torque output: 5000 N – m and trans-speed ratio: 1.58
  • 2 pieces deep impact sockets: 30 mm and 32 mm with black oxide finish
Wheeler 1099561 Professional Armorer's Wrench
  • Fits compact into nylon belt sheath (included)
  • Multi-tool design to perform many different functions in the field
  • Satin-finish stainless steel construction
Magpul Armorer's Wrench – Ar15/m4
  • Heat-treated steel construction with manganese phosphate finish
  • Two hammer faces
  • Free-float tube barrel nut wrench
NcStar AR15 Combo Armorer's Wrench Tool
  • AR-15 Combo Armorer’s Wrench Tool.
  • NcStar TARW Finally an Armorers Wrench with everything that you need.
NcSTAR AR-15 Combo Armorer's Wrench Tool Gen 2
  • Generation 2.
  • Combo tool with many New Features/Tools to work and upgrade your AR-15/ M4/ M16.
  • Barrel Wrench for GI Barrel Nut, Free-Float Barrel Nuts with GI spacing, DD Barrel Nuts, and YHM ( 1″) Spanner wrench.
Ergo 4959 Tactical Car Stock Wrench
  • Mil-Spec Castle Nut Wrench.
  • Standard Length Receiver Extension Removal Wrench.
  • A1/A2 Flash Suppressor Wrench.

1. Performance Tool W83008 4 Lug Spindle Nut Wrench

Performance Tool W83008 4 Lug Spindle Nut Wrench

  • Proven and Tested for durabilty and function in real world conditions
  • Leading manufacturer of high-quality products
  • Made to withstand the most challenging jobs
  • All our products have been designed with the user in mind

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Sold By Price
Amazon.com
eBay
Walmart
Theisen’s

Product Details

Specifications

Details
Part Type Spindle Nut Sockets
Socket Drive 1/2 in.
Impact Rated No
Socket Material Chromoly
Socket Finish Black oxide

Reviews From Real Customers

Bert
B.
K.J.

2. Channellock 810NW 10 in. Adjustable Wrench, Black

Channellock 810NW 10 in. Adjustable Wrench, Black

  • 10″

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Sold By Price
Amazon.com
eBay
Performance Line Tool Center
Zoro

Product Details

Specifications

Details
Adjustable Wrench Type Adjustable Wrench
Finish Black Phosphate
Overall Length 10 in
Jaw Capacity 1 3/8 in
Grip Style Plain

Reviews From Real Customers

W.T.
V.R.
J.B.

3. Sunex 9710M 10 Piece 3/8″ Drive Metric Crowfoot Flare Nut, Wrench Set

Sunex 9710M 10 Piece 3/8

  • Fully guaranteed for life
  • Mounted on a convenient storage rail
  • Long life
  • Durable construction
  • Also available individually

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Amazon.com
eBay
Walmart
Home Depot

Product Details

Specifications

Details
Assembled Depth (in) 0.3875 in
Assembled Height (in) 0.1675 in
Assembled Width (in) 0.1025 in
Assembled Weight (lbs) 0.3175 lbs
Item is Shipped at this Packaging Level Y

Reviews From Real Customers

E.
M.
J.D.

4. GearWrench 81906 6-Piece Flare Nut Metric Wrench Set

GearWrench 81906 6-Piece Flare Nut Metric Wrench Set

  • Hex shaped heads give more points of contact on the fastener to prevent damage
  • Ideal for use on hex nuts made of softer materials
  • 15 offset wrench heads
  • Sizes stamped on both sides of the wrench beam for quick identification
  • Manufactured from alloy steel for better strength and longer tool life

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Sold By Price
Amazon.com
Walmart – Girl Power Employment Services LLC

Product Details

Specifications

Details
Item Dimensions LxWxH 11.03 x 6.3 x 2.2 inches
Item Package Quantity 1
Head Style Flare Nut
Finish Type Polished
Operation Mode Mechanical

Reviews From Real Customers

R.
J.J.
M.W.

5. OTC Adjustable Gland Nut Wrench

OTC Adjustable Gland Nut Wrench

  • Designed to fit hydraulic cylinders on most farm and construction equipment
  • Fits gland nuts from 5.1cm to 15.2cm diameter pin to pin
  • Reversible to fit 0.6cm and 0.8cm diameter pinholes

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Sold By Price
Amazon.com – Seller
eBay
Walmart – NLEX Express
Zoro

Product Details

Specifications

Details
Item Dimensions LxWxH 5.2 x 10.5 x 0.7 inches
Item Package Quantity 1
Head Style Fixed Square
Finish Type 涂色
Lift Type Hydraulic

Reviews From Real Customers

H.E.D.C.
e.
D.S.

6. Attwood Prop Wrench Set – Fits 17/32in to 1-1/4in Prop Nuts

Attwood Prop Wrench Set - Fits 17/32in to 1-1/4in Prop Nuts

  • Easy to stow – Universal prop kit for quick prop maintenance
  • Fits 9 of the most common prop nut sizes – from 17/32″
  • Lightweight and strong, constructed from engineering composite resins
  • High visibility yellow makes it easy to find
  • Attwood is a member of the American Boat and yacht Council and the National Marine Manufactures Association

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Sold By Price
Amazon.com
eBay
SurvivalAtSea.com
Hodges Marine

Product Details

Specifications

Details
Theme Type Propeller
Theme Type Tools

Reviews From Real Customers

Thomas K.
Y.
Dave

7. Real Avid Master Wrench, Armorer’s

Real Avid Master Wrench, Armorer's

  • Castle Nut Wrench
  • Torque Receiver
  • Fixed Steel Hammer Head, Brass Hammer Head, Nylon Hammer Head, Rubber Hammer Head
  • Torque Specs Laser Etched Behind Hammer Heads
  • 5/8″ Wrench for Fixed Stock Receiver Extensions

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Amazon
OpticsAgent.com
Provengo
Cabela’s

Product Details

Specifications

Details
Units in Package 1
Warnings This product can expose you to chemicals including lead and lead compounds which are known to the sate of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Reviews From Real Customers

Bruce
joeboboutfitters.com
Luke

8. Quinn Metric Flare Nut Wrench Set, 5 Piece 56793

Quinn Metric Flare Nut Wrench Set, 5 Piece 56793

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Amazon
Harbor Freight Tools

Product Details

Reviews From Real Customers

Rod
coach316dc
Ken

9. Sunex Tools 9710M 3/8 in. Drive Metric Crowfoot Flare Nut Wrench Set (10-Piece)

Sunex Tools 9710M 3/8 in. Drive Metric Crowfoot Flare Nut Wrench Set (10-Piece)

  • Includes 10 Crowfoot Flare Nut Wrenches from 10mm to 19mm
  • Open side at each end allows for easy access over lines and tubing while still providing 5 sides for a maximum grip on fasteners
  • 15-degree offset provides clearance for your fingers and other obstructions near the fastener
  • Drop forged alloy steel material provides strength and comfort
  • Comes on a convenient storage rail for transport and storage

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Amazon
Home Depot
Zoro
Monsecta Depot

Product Details

Specifications

Details
Dimensions 2.00 × 2.00 × 2.00 in
Hand Tool Type Wrench Set
Individual/Set Set
Measurement Standard Metric
Number of Pieces 10

Reviews From Real Customers

DANIEL
L.F.B.
raymonjenning1

10. GearWrench 81906 – 6 Piece Metric Flare Nut Wrench Set

GearWrench 81906 - 6 Piece Metric Flare Nut Wrench Set

  • Fully polished chrome and a long pattern length.
  • Sizes indicated by stamps on both sides and the head of the wrench for greater visibility.
  • Sizes 9×11, 10×12, 13×14, 15×17, 16×18, and 19x21mm.

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Amazon
eBay
Walmart
Home Depot

Product Details

Specifications

Details
Dimensions 11.02 × 6.30 × 2.20 in
End Type Female
Hand Tool Type Wrench Set
Individual/Set Set
Measurement Standard Metric

Reviews From Real Customers

t.

11. GearWrench 89101D 6 Piece Metric Ratcheting Flex Flare Nut Wrench Set

GearWrench 89101D 6 Piece Metric Ratcheting Flex Flare Nut Wrench Set

  • Quickly ratchet nuts and bolts without removing the wrench from the fastener
  • Size is stamped on both sides for quick identification
  • Ratcheting jaw allows you to advance the nut without removing the wrench from the fastener
  • Sizes 9 x 11mm, 10 x 12mm, 13 x 14mm, 15 x 17mm, 16 x 18mm, 19 x 21mm

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Amazon
eBay
Walmart
Home Depot

Product Details

Specifications

Details
Measurement Standard Metric
Number of Pieces 6
Tools Product Type Hand Tool
Hand Tool Type Wrench Set
Individual/Set Set

Reviews From Real Customers

T.G.
T.
Will W.

12. GearWrench 4-Wheel Drive Spindle Nut Wrench

GearWrench 4-Wheel Drive Spindle Nut Wrench

  • Uniquely designed lugs for max. strength.
  • Use with 1/2” square drive tool.
  • Will work on Ford Vehicles with ratcheting type lock nuts on front axle.

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Sold By Price
Amazon
eBay
Walmart
Home Depot

Product Details

Specifications

Details
Individual/Set Individual
Drive Size 1/2 in
Measurement Standard SAE
Points 6-point
Socket Size 1/2 in

Reviews From Real Customers

A.
C.V.
R.G.

13. Hazet 772 Wheel Nut Wrench

Hazet 772 Wheel Nut Wrench

  • Solid telescopic part, drop forged
  • For sockets of the series 900
  • Surface: chrome-plated
  • Output: Square, solid 12.5 mm (1/2 inches)

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eBay – kc_tool
Walmart – KC Tool
misterworker.com
chadstoolbox.com

Product Details

Specifications

Details
Surface chrome-plated
Output Square, solid 12.5 mm (1/2 inch)
Wrench size Outside square drive 12.5 = 1/2 inch mm
Dimensions / length 535 mm
Net weight 0.77 kg

Reviews From Real Customers

galaxus.de
cdschenck
tobapro

14. Cal Hawk Tools Labor Saving Lug Nut Wrench

Cal Hawk Tools Labor Saving Lug Nut Wrench

  • Iron cast housing and handle
  • Max torque output: 5000 N – m and trans-speed ratio: 1.58
  • 2 pieces deep impact sockets: 30 mm and 32 mm with black oxide finish
  • Color : CLEAR

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eBay

Product Details

Specifications

Details
Assembled Product Weight 17.8 lbs

Reviews From Real Customers

cbsison
littleboatie
leobardfeli-2

15. Wheeler 1099561 Professional Armorer’s Wrench

Wheeler 1099561 Professional Armorer's Wrench

  • Fits compact into nylon belt sheath (included)
  • Multi-tool design to perform many different functions in the field
  • Satin-finish stainless steel construction

Check Latest Price

Sold By Price
Walmart
Graf & Sons
OpticsAgent.com
GunMag Warehouse

Product Details

Specifications

Details
Weight 1.4 oz

Reviews From Real Customers

Dane
Utah2
vynot

16. Magpul Armorer’s Wrench – Ar15/m4

Magpul Armorer's Wrench - Ar15/m4

  • Heat-treated steel construction with manganese phosphate finish
  • Two hammer faces
  • Free-float tube barrel nut wrench
  • Convenient bottle opener

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Mounting Solutions Plus

Product Details

Specifications

Details
Length 12.3 in
Height 0.9 in
Width 2.1 in
Product Weight
Weight 1.13 lb

Reviews From Real Customers

hallaction
Joshua L.

17. NcStar AR15 Combo Armorer’s Wrench Tool

NcStar AR15 Combo Armorer's Wrench Tool

  • AR-15 Combo Armorer’s Wrench Tool.
  • NcStar TARW Finally an Armorers Wrench with everything that you need.

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Sold By Price
Adorama
Mounting Solutions Plus
Sweeney’s Sports

Product Details

Specifications

Details
Closed Length 12.7″
Blade Type Steel
Blade Length 12.7″ L
Oal Various
Handle Description AR-15/M4/M16
Edge Type 20.2 oz
Sharpener Type 1

Reviews From Real Customers

swigly
gussw
raymoonieo

18. NcSTAR AR-15 Combo Armorer’s Wrench Tool Gen 2

NcSTAR AR-15 Combo Armorer's Wrench Tool Gen 2

  • Generation 2.
  • Combo tool with many New Features/Tools to work and upgrade your AR-15/ M4/ M16.
  • Barrel Wrench for GI Barrel Nut, Free-Float Barrel Nuts with GI spacing, DD Barrel Nuts, and YHM ( 1″) Spanner wrench.
  • A2 () and 5/8 Flash Suppressor wrench, M4 Collapsable Stock Castle Nut wrench, A2 Buffer Tube Wrench.
  • Flat Blade Screw Driver for A2 Buttstock Plate, 1/2″ and 3/8″ Drive Compatible, Lower Receiver Push Pin Tool.

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Mounting Solutions Plus
Virventures.com
Firearms Unknown
Sweeney’s Sports

Product Details

Specifications

Details
Length 12.9″

Reviews From Real Customers

Chef Raul
drm328723fw
Samhar

19. OEMTOOLS 20564 Telescoping Lug Nut Wrench Sockets

OEMTOOLS 20564 Telescoping Lug Nut Wrench Sockets

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Sold By Price
AutoZone
Summit Racing

Product Details

Reviews From Real Customers

Ahmed

20. Ergo 4959 Tactical Car Stock Wrench

Ergo 4959 Tactical Car Stock Wrench

  • Mil-Spec Castle Nut Wrench.
  • Standard Length Receiver Extension Removal Wrench.
  • A1/A2 Flash Suppressor Wrench.

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Justice Tactical

Product Details

Specifications

Details
Length 9.0000
Dimension 0.60 X 1.95 X 9.00
Typecolor WRENCH
Made In The Usa MADE IN THE USA

Reviews From Real Customers

jbradle7
dudorino
midknight_magic

Conclusion

A castle nut wrench is a must-have tool for any serious gun owner. It is a specialized tool that is designed to easily remove and install castle nuts, which are used to secure muzzle devices and other parts to a firearm.

The castle nut wrench is a simple but effective tool that can save you a lot of time and frustration when working on your firearms. It is a must-have tool for any serious gun owner.

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