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Castle Nuts (184 items) - Page 2

Zoro Select 5/16-24 CASTLE NUTS GR5 ZINC, PK300 32NHC5
Zoro Select

5/16-24 CASTLE NUTS GR5 ZINC, PK300

Zoro # G2442369
Mfr # 32NHC5
product price:  $124.99
/pk 300, $0.42/ea
Zoro Select 9/16"-12 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 25 pk. 287066-PG
Zoro Select

9/16"-12 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 25 pk.

Zoro # G1436364
Mfr # 287066-PG
product price:  $21.19
/pk 25, $0.85/ea
Midwest Fastener 7/16"-14 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 8PK 68548
Midwest Fastener

7/16"-14 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 8PK

Zoro # G502508742
Mfr # 68548
product price:  $7.29
/pk 8, $0.91/ea
Midwest Fastener 3/4"-10 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 4PK 68554
Midwest Fastener

3/4"-10 Zinc Plated Steel Coarse Thread Slotted Hex Nuts 4PK

Zoro # G702508733
Mfr # 68554
product price:  $8.75
/pk 4, $2.19/ea
Zoro Select 3"-12 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut U12020.300.0001
Zoro Select

3"-12 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut

Zoro # G2520780
Mfr # U12020.300.0001
product price:  $154.99
/ea
Zoro Select 1-1/4"-7 Grade 2H Plain Finish Steel Round Slotted Castle Nut U12040.125.0001
Zoro Select

1-1/4"-7 Grade 2H Plain Finish Steel Round Slotted Castle Nut

Zoro # G2520519
Mfr # U12040.125.0001
product price:  $34.99
/ea
Zoro Select 1-3/8"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk. 371445G
Zoro Select

1-3/8"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk.

Zoro # G1988542
Mfr # 371445G
product price:  $46.15
/pk 5, $9.23/ea
Zoro Select 5/8"-18 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 25 pk. 371205G
Zoro Select

5/8"-18 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 25 pk.

Zoro # G0640543
Mfr # 371205G
product price:  $24.89
/pk 25, $1.00/ea
Zoro Select Castle Nut, Steel, Black Oxide M12000.220.0001
Zoro Select

Castle Nut, Steel, Black Oxide

Zoro # G0302438
Mfr # M12000.220.0001
product price:  $86.79
/pk 25, $3.47/ea
Zoro Select 1/4"-20 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 100 pk. 351015G
Zoro Select

1/4"-20 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 100 pk.

Zoro # G2474202
Mfr # 351015G
product price:  $15.79
/pk 100, $0.16/ea
Zoro Select 3/4"-10 Grade 2H Plain Finish Steel Round Slotted Castle Nut, 10 pk. 352228G
Zoro Select

3/4"-10 Grade 2H Plain Finish Steel Round Slotted Castle Nut, 10 pk.

Zoro # G0289651
Mfr # 352228G
product price:  $15.49
/pk 10, $1.55/ea
Suburban Bolt And Supply M30 CASTLE NUT ZINC A44203000CSZ
Suburban Bolt And Supply

M30 CASTLE NUT ZINC

Zoro # G603497075
Mfr # A44203000CSZ
product price:  $14.15
/ea
Sold in mult. of 5 for $70.75
Zoro Select Castle Nut, Steel, Black Oxide M12000.360.0001
Zoro Select

Castle Nut, Steel, Black Oxide

Zoro # G1941357
Mfr # M12000.360.0001
product price:  $22.59
/pk 2, $11.30/ea
Zoro Select 7/8"-14 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 15 pk. 287280-PG
Zoro Select

7/8"-14 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 15 pk.

Zoro # G1016766
Mfr # 287280-PG
product price:  $35.79
/pk 15, $2.39/ea
Zoro Select 3/4"-16 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 20 pk. 287276-PG
Zoro Select

3/4"-16 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 20 pk.

Zoro # G2862361
Mfr # 287276-PG
product price:  $32.29
/pk 20, $1.61/ea
Zoro Select 3/4"-16 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 10 pk. 371245G
Zoro Select

3/4"-16 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 10 pk.

Zoro # G1420641
Mfr # 371245G
product price:  $19.19
/pk 10, $1.92/ea
Zoro Select Castle Nut, Steel, Black Oxide M12020.200.0150
Zoro Select

Castle Nut, Steel, Black Oxide

Zoro # G9900838
Mfr # M12020.200.0150
product price:  $69.89
/pk 25, $2.80/ea
Zoro Select 1/2"-20 Grade 5 Zinc Plated Finish Steel Round Slotted Castle Nut, 50 pk. 351119G
Zoro Select

1/2"-20 Grade 5 Zinc Plated Finish Steel Round Slotted Castle Nut, 50 pk.

Zoro # G2788021
Mfr # 351119G
product price:  $11.99
/pk 50, $0.24/ea
Zoro Select 1-1/4"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk. 354405G
Zoro Select

1-1/4"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk.

Zoro # G1573345
Mfr # 354405G
product price:  $32.75
/pk 5, $6.55/ea
Zoro Select 1"-8 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, 5 pk. U12050.100.0001
Zoro Select

1"-8 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut, 5 pk.

Zoro # G2520458
Mfr # U12050.100.0001
product price:  $7.99
/pk 5, $1.60/ea
Zoro Select 1-1/2"-6 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 10 pk. SNFI21500-010P
Zoro Select

1-1/2"-6 Grade 2 Zinc Plated Finish Low Carbon Steel Round Slotted Castle Nut, 10 pk.

Zoro # G1888826
Mfr # SNFI21500-010P
product price:  $45.39
/pk 10, $4.54/ea
Aftermarket 3/4" Castle Nut 387930S36
Aftermarket

3/4" Castle Nut

Zoro # G305606706
Mfr # 387930S36
product price:  $10.19
/ea
Zoro Select 1-8 CASTLE NUTS ZINC, PK50 100NHC
Zoro Select

1-8 CASTLE NUTS ZINC, PK50

Zoro # G2441684
Mfr # 100NHC
product price:  $277.99
/pk 50, $5.56/ea
Zoro Select 5/8-18 CASTLE NUTS ZINC, PK150 63NHC
Zoro Select

5/8-18 CASTLE NUTS ZINC, PK150

Zoro # G2442210
Mfr # 63NHC
product price:  $302.99
/pk 150, $2.02/ea
Zoro Select Castle Nut, Steel, Black Oxide M12000.450.0001
Zoro Select

Castle Nut, Steel, Black Oxide

Zoro # G0302401
Mfr # M12000.450.0001
product price:  $44.99
/ea
Zoro Select 7/8"-9 Grade 2H Plain Finish Steel Round Slotted Castle Nut, 10 pk. 352258G
Zoro Select

7/8"-9 Grade 2H Plain Finish Steel Round Slotted Castle Nut, 10 pk.

Zoro # G0337066
Mfr # 352258G
product price:  $16.39
/pk 10, $1.64/ea
Zoro Select 1 1/4-7 CASTLE NUTS ZINC, PK20 125NHC
Zoro Select

1 1/4-7 CASTLE NUTS ZINC, PK20

Zoro # G2441964
Mfr # 125NHC
product price:  $375.99
/pk 20, $18.80/ea
Zoro Select 5/16-24 CASTLE NUTS ZINC, PK300 32NHC
Zoro Select

5/16-24 CASTLE NUTS ZINC, PK300

Zoro # G2442165
Mfr # 32NHC
product price:  $131.99
/pk 300, $0.44/ea
Zoro Select 5/8-18 CASTLE NUTS GR5 ZINC, PK150 63NHC5
Zoro Select

5/8-18 CASTLE NUTS GR5 ZINC, PK150

Zoro # G2442454
Mfr # 63NHC5
product price:  $207.99
/pk 150, $1.39/ea
Zoro Select Castle Nut, Steel, Black Oxide M12000.480.0001
Zoro Select

Castle Nut, Steel, Black Oxide

Zoro # G0302395
Mfr # M12000.480.0001
product price:  $32.49
/ea
Zoro Select 3/8-24 CASTLE NUTS ZINC, PK200 38NHC
Zoro Select

3/8-24 CASTLE NUTS ZINC, PK200

Zoro # G2441955
Mfr # 38NHC
product price:  $165.99
/pk 200, $0.83/ea
Zoro Select 1/2"-20 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 50 pk. 354125G
Zoro Select

1/2"-20 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 50 pk.

Zoro # G2320604
Mfr # 354125G
product price:  $32.19
/pk 50, $0.64/ea
Zoro Select 5/16"-18 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 100 pk. 351035G
Zoro Select

5/16"-18 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 100 pk.

Zoro # G1121531
Mfr # 351035G
product price:  $17.19
/pk 100, $0.17/ea
Zoro Select 7/16"-20 Grade 5 Zinc Plated Finish Steel Round Slotted Castle Nut, 100 pk. 351084G
Zoro Select

7/16"-20 Grade 5 Zinc Plated Finish Steel Round Slotted Castle Nut, 100 pk.

Zoro # G1753543
Mfr # 351084G
product price:  $36.99
/pk 100, $0.37/ea
Huyett Slotted Locking Hex Nut 3/4x41/64 Steel Plain NUTH01-0750-0640SP
Huyett

Slotted Locking Hex Nut 3/4x41/64 Steel Plain

Zoro # G713330897
Mfr # NUTH01-0750-0640SP
product price:  $0.88
/ea
Sold in mult. of 15 for $13.20
Zoro Select 1-1/2"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk. 354485G
Zoro Select

1-1/2"-12 Grade 5 Plain Finish Steel Round Slotted Castle Nut, 5 pk.

Zoro # G0489562
Mfr # 354485G
product price:  $43.99
/pk 5, $8.80/ea
Castle Nuts (184 items) - Page 2
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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

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castle nutcastle nut castle nut5/8-18 nut5/8-18 nutscastle nut wrench
slotted hex nut3/4-10 nuts3/4-16 nutsmetric castle nuts5/8-11 nuts

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