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Castle Nuts Brass
Castle Nuts Brass Product Video

Brass Castle Nuts

Slotted Nuts also called Castellated Nuts in Brass

  • Used with a cotter pin
  • Notched on one side
  • Torque the nut then align with the closest hole
  • Used with a bolt or axle that has a hole in it
  • Used in low torque applications

A Castle nut, castellated nut, or slotted nut is normally used with a Cotter Pin to create a locking fastener assembly that cannot be loosened due to accidental vibration. It is common to see this type of nut on vehicles and machinery where vibration is frequent.

Nut Sizes Width Across Flats Overall Height
1/4"-20 0.434" REF 0.281" REF
5/16"-18 0.499" REF 0.326" REF
3/8"-16 0.562" REF 0.410" REF
1/2"-13 0.745" REF 0.569" REF
5/8"-11 0.934" REF 0.724" REF
3/4"-10 1.125" REF 0.820" REF
Select Products Below See Product Specifications See Product Video
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Brass Castle Nuts - 1/4"-20
SKU #129000-002-0002
Brass Castle Nuts - 1/4"-20
SKU #129000-002-0002
1
 $3.44 (3.44/ea)
100
 $275.00 (2.75/ea)
1000
 $2,530.00 (2.53/ea)
Subtotal: $0.00 /
Brass Castle Nuts - 5/16"-18
SKU #129000-002-0012
Brass Castle Nuts - 5/16"-18
SKU #129000-002-0012
1
 $4.20 (4.2/ea)
100
 $336.00 (3.36/ea)
1000
 $3,090.00 (3.09/ea)
Subtotal: $0.00 /
Brass Castle Nuts - 3/8"-16
SKU #129000-002-0022
Brass Castle Nuts - 3/8"-16
SKU #129000-002-0022
1
 $4.97 (4.97/ea)
100
 $397.00 (3.97/ea)
1000
 $3,660.00 (3.66/ea)
Subtotal: $0.00 /
Brass Castle Nuts - 1/2"-13
SKU #129000-002-0032
Brass Castle Nuts - 1/2"-13
SKU #129000-002-0032
1
 $5.94 (5.94/ea)
100
 $475.00 (4.75/ea)
1000
 $4,370.00 (4.37/ea)
Subtotal: $0.00 /
Brass Castle Nuts - 5/8"-11
SKU #129000-002-0042
Brass Castle Nuts - 5/8"-11
SKU #129000-002-0042
1
 $9.65 (9.65/ea)
100
 $772.00 (7.72/ea)
1000
 $7,100.00 (7.1/ea)
Subtotal: $0.00 /
Brass Castle Nuts - 3/4"-10
SKU #129000-002-0052
Brass Castle Nuts - 3/4"-10
SKU #129000-002-0052
1
 $13.63 (13.63/ea)
100
 $1,091.00 (10.91/ea)
1000
 $10,030.00 (10.03/ea)
Subtotal: $0.00 /
Product Specifications
Color
Yellow
Color May Vary
Color and sheen may vary
Corrosion Resistant
Yes
Drive Style
External Hex
Material
Brass
Product Type
Castle Nut
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

Product Video

Castle Nuts Brass Product Video

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Volume Pricing: Buy in volume, get a discount. The larger the pack, the lower the cost per piece. Visit the New Site Features Page for additional details.