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  1. Home
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  5. Nuts
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  7. Castle Nuts

Castle Nuts (213 items) - Page 6

Midwest Fastener 1/2"-13 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 6PK 68551
Midwest Fastener

1/2"-13 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 6PK

Zoro # G302508737
Mfr # 68551
product price:  $7.65
/pk 6, $1.28/ea
Sold in mult. of 2 for $15.30
Midwest Fastener 9/16"-12 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 5PK 68552
Midwest Fastener

9/16"-12 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 5PK

Zoro # G602508734
Mfr # 68552
product price:  $9.69
/pk 5, $1.94/ea
Midwest Fastener 3/8"-16 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 1 12PK 68547
Midwest Fastener

3/8"-16 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 1 12PK

Zoro # G402508736
Mfr # 68547
product price:  $11.19
/pk 12, $0.93/ea
Midwest Fastener 5/16"-18 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 20PK 68546
Midwest Fastener

5/16"-18 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 20PK

Zoro # G602508741
Mfr # 68546
product price:  $14.15
/pk 20, $0.71/ea
Midwest Fastener 1"-8 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 3PK 68556
Midwest Fastener

1"-8 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 3PK

Zoro # G502508735
Mfr # 68556
product price:  $14.85
/pk 3, $4.95/ea
Oxoxo 7/8-14 Castle Nut Zinc, 60PK 217969
Oxoxo

7/8-14 Castle Nut Zinc, 60PK

Zoro # G222672952
Mfr # 217969
product price:  $357.99
/pk 60, $5.97/ea
Oxoxo 1 1/4-7 Castle Nut Zinc, 20PK 318071
Oxoxo

1 1/4-7 Castle Nut Zinc, 20PK

Zoro # G622693496
Mfr # 318071
product price:  $544.99
/pk 20, $27.25/ea
Oxoxo 9/16-18 Castle Nut Grade 5 Zinc, 200PK 528819
Oxoxo

9/16-18 Castle Nut Grade 5 Zinc, 200PK

Zoro # G022677348
Mfr # 528819
product price:  $241.99
/pk 200, $1.21/ea
Oxoxo 7/8-9 Castle Nut Zinc, 60PK 317131
Oxoxo

7/8-9 Castle Nut Zinc, 60PK

Zoro # G222669600
Mfr # 317131
product price:  $200.99
/pk 60, $3.35/ea
Oxoxo 1/2-20 Castle Nut Zinc, 150PK 316969
Oxoxo

1/2-20 Castle Nut Zinc, 150PK

Zoro # G922672511
Mfr # 316969
product price:  $213.99
/pk 150, $1.43/ea
Oxoxo 1-14 Castle Nut Zinc, 50PK 141817
Oxoxo

1-14 Castle Nut Zinc, 50PK

Zoro # G322674801
Mfr # 141817
product price:  $565.99
/pk 50, $11.32/ea
Oxoxo 5/16-24 Castle Nut Grade 5 Zinc, 300PK 528774
Oxoxo

5/16-24 Castle Nut Grade 5 Zinc, 300PK

Zoro # G422695386
Mfr # 528774
product price:  $262.99
/pk 300, $0.88/ea
Oxoxo 3/4-10 Castle Nut Zinc, 100PK 317094
Oxoxo

3/4-10 Castle Nut Zinc, 100PK

Zoro # G322689720
Mfr # 317094
product price:  $270.99
/pk 100, $2.71/ea
Oxoxo 1-14 Castle Nut Grade 5 Zinc, 50PK 528859
Oxoxo

1-14 Castle Nut Grade 5 Zinc, 50PK

Zoro # G122681337
Mfr # 528859
product price:  $372.99
/pk 50, $7.46/ea
Midwest Fastener 1/4"-20 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 20PK 68545
Midwest Fastener

1/4"-20 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 20PK

Zoro # G202508738
Mfr # 68545
product price:  $13.59
/pk 20, $0.68/ea
Oxoxo 3/8-24 Castle Nut Grade 5 Zinc, 200PK 528785
Oxoxo

3/8-24 Castle Nut Grade 5 Zinc, 200PK

Zoro # G322680369
Mfr # 528785
product price:  $118.99
/pk 200, $0.59/ea
Oxoxo 3/8-16 Castle Nut Zinc, 200PK 316666
Oxoxo

3/8-16 Castle Nut Zinc, 200PK

Zoro # G022667158
Mfr # 316666
product price:  $115.99
/pk 200, $0.58/ea
Oxoxo 1/2-13 Castle Nut Zinc, 150PK 316943
Oxoxo

1/2-13 Castle Nut Zinc, 150PK

Zoro # G222675687
Mfr # 316943
product price:  $152.99
/pk 150, $1.02/ea
Oxoxo 5/16-24 Castle Nut Zinc, 300PK 316547
Oxoxo

5/16-24 Castle Nut Zinc, 300PK

Zoro # G222692424
Mfr # 316547
product price:  $179.99
/pk 300, $0.60/ea
Oxoxo 5/8-18 Castle Nut Zinc, 150PK 210034
Oxoxo

5/8-18 Castle Nut Zinc, 150PK

Zoro # G222667446
Mfr # 210034
product price:  $409.99
/pk 150, $2.73/ea
Oxoxo 9/16-12 Castle Nut Zinc, 250PK 319975
Oxoxo

9/16-12 Castle Nut Zinc, 250PK

Zoro # G622681707
Mfr # 319975
product price:  $240.99
/pk 250, $0.96/ea
Oxoxo 5/16-18 Castle Nut Zinc, 300PK 316495
Oxoxo

5/16-18 Castle Nut Zinc, 300PK

Zoro # G622665752
Mfr # 316495
product price:  $150.99
/pk 300, $0.50/ea
Oxoxo 5/8-18 Castle Nut Grade 5 Zinc, 150PK 528825
Oxoxo

5/8-18 Castle Nut Grade 5 Zinc, 150PK

Zoro # G022678871
Mfr # 528825
product price:  $421.99
/pk 150, $2.81/ea
Oxoxo 1-8 Castle Nut Zinc, 50PK 316101
Oxoxo

1-8 Castle Nut Zinc, 50PK

Zoro # G322679882
Mfr # 316101
product price:  $401.99
/pk 50, $8.04/ea
Oxoxo 3/4-16 Castle Nut Zinc, 100PK 214788
Oxoxo

3/4-16 Castle Nut Zinc, 100PK

Zoro # G322684411
Mfr # 214788
product price:  $354.99
/pk 100, $3.55/ea
Oxoxo 3/8-24 Castle Nut Zinc, 200PK 316725
Oxoxo

3/8-24 Castle Nut Zinc, 200PK

Zoro # G222688953
Mfr # 316725
product price:  $239.99
/pk 200, $1.20/ea
Oxoxo 7/16-20 Castle Nut Grade 5 Zinc, 200PK 528799
Oxoxo

7/16-20 Castle Nut Grade 5 Zinc, 200PK

Zoro # G922664561
Mfr # 528799
product price:  $199.99
/pk 200, $1.00/ea
Oxoxo 7/8-14 Castle Nut Grade 5 Zinc, 60PK 528843
Oxoxo

7/8-14 Castle Nut Grade 5 Zinc, 60PK

Zoro # G722668943
Mfr # 528843
product price:  $283.99
/pk 60, $4.73/ea
Oxoxo 1/4-28 Castle Nut Zinc, 2000PK 319577
Oxoxo

1/4-28 Castle Nut Zinc, 2000PK

Zoro # G822661035
Mfr # 319577
product price:  $1,034.99
/pk 2000, $0.52/ea
Oxoxo 7/16-20 Castle Nut Zinc, 200PK 316798
Oxoxo

7/16-20 Castle Nut Zinc, 200PK

Zoro # G822671669
Mfr # 316798
product price:  $283.99
/pk 200, $1.42/ea
Oxoxo 9/16-18 Castle Nut Zinc, 200PK 319999
Oxoxo

9/16-18 Castle Nut Zinc, 200PK

Zoro # G322697275
Mfr # 319999
product price:  $381.99
/pk 200, $1.91/ea
Oxoxo 3/4-16 Castle Nut Grade 5 Zinc, 100PK 528834
Oxoxo

3/4-16 Castle Nut Grade 5 Zinc, 100PK

Zoro # G522684426
Mfr # 528834
product price:  $201.99
/pk 100, $2.02/ea
Oxoxo 1/4-28 Castle Nut Grade 5 Zinc, 2000PK 528765
Oxoxo

1/4-28 Castle Nut Grade 5 Zinc, 2000PK

Zoro # G822673007
Mfr # 528765
product price:  $1,217.99
/pk 2000, $0.61/ea
Castle Nuts (213 items) - Page 6
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About Castle Nuts

Castle nuts are a type of fastener that is used to secure two or more parts together. They are often used in conjunction with bolts, screws, and other types of fasteners to create a secure connection.

Types of Castle Nuts

Castle nuts come in a variety of shapes and sizes depending on their intended use. Slotted castle nuts are commonly used for applications where vibration is an issue, while non-slotted versions are better suited for applications where security is paramount. Many slotted nut manufacturers offer custom designs to meet specific needs.

How Castle Nuts Are Made

Castle nuts are typically made from metal alloys such as steel or brass, but can also be made from other materials such as aluminum or plastic depending on the application requirements. The manufacturing process involves cutting threads into the material and then forming the castle shape around it before adding additional features like slots.

Industries That Use Castle Nuts

Castle nuts are commonly used by professionals in industries such as automotive, construction, aerospace engineering, and robotics due to their ability to securely connect components together without coming loose over time. Wherever high levels of security and reliability are needed when connecting two or more parts together, you will likely find castle nuts being used.

Find the Castle Nuts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

Related Categories

Hex NutsLock NutsSpring Nuts & Cage NutsCap Nuts & Acorn NutsGeneral Washers
Hex Head Cap ScrewsLock WashersSocket Head Cap ScrewsFully-Threaded Rods & StudsMachine Screws
castle nuts3/4-16 nutsmetric castle nuts5/8-18 nutcastle nut wrench
slotted hex nut5/8-11 nutscastle nutcastle nut castle nut5/8-18 nuts

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