FIG. 3.08Nuts · NXB-CSN

Castle Nuts

Castellated slots across the crown align with a cross-drilled bolt to take a cotter pin or safety wire, giving positive mechanical locking for axles, kingpins, and slow-rotating shafts.

Conforms to

DIN 935ISO 7035ASME B18.2.2

Size rangeM6–M36 · 1/4"–1-1/2"

FIG. 3.08Drawn to standard

Castle Nuts — representative profile, dimensioned to standard

Castle Nuts — representative product photograph — PLATECastle Nuts — as supplied

FIG. SPECAt a glance

Size rangeM6–M36 · 1/4"–1-1/2"

Materials3 options

Finishes3 options

Standards3 refs

Applications5 typical

FamilyNuts

Slotted crown takes a cotter pin for positive locking.

FIG. TBLSpecifications

Representative specifications

A cross-section of stocked configurations. Not exhaustive — diameters, lengths, grades, and finishes extend across the full range on request.

Diameter	Thread	Material	Finish	Grade	Standard	Tensile
M12	1.75 coarse	Carbon Steel	Zinc Plated	Class 8	DIN 935	Proof 800 MPa
M16	2.0 coarse	Alloy Steel	Black Oxide	Class 10	DIN 935	Proof 1040 MPa
1/2"	13 UNC	Carbon Steel	Zinc Plated	SAE Grade 5	ASME B18.2.2	Proof 120 ksi
M20	2.5 coarse	Stainless 304	Plain	A2-70	ISO 7035	700 MPa

Representative specifications — not exhaustive · NXB-CSN

FIG. SELSelection

Materials, finishes & where it works

Match the line to the load, the environment, and the standard it answers to.

Materials

Carbon SteelStainless 304Alloy Steel

Finishes

Zinc PlatedBlack OxidePlain

Standards

DIN 935ISO 7035ASME B18.2.2

Typical applications

Wheel bearings and spindles
Steering and suspension joints
Kingpins and tie rods
Slow-rotating shafts
Castor and axle retention

Served industries

Automotive OEM & Assembly Construction

FIG. RELRelated lines

Pairs & alternatives

Mating parts and adjacent lines engineers reach for alongside this one.

FIG. 7.03NXB-COT

Cotter Pins

Split pin that locks castle nuts and clevis joints.

Ø1.6–Ø10 mm · 1/16"–3/8"

FIG. 3.01NXB-HXN

Hex Nuts

The standard six-sided nut for threaded assemblies.

M3–M48 · #4–2"

FIG. 3.02NXB-NYL

Nylon-Insert Lock Nuts

Nylon insert ring grips threads to resist vibration loosening.

M3–M36 · #4–1-1/2"

FIG. 7.04NXB-CLV

Clevis Pins

Headed pivot pin retained by a cotter or ring.

Ø3–Ø25 mm · 1/8"–1"

FIG. CTATalk to sales

Spec castle nuts for your next build.

Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.

Talk to sales about Castle Nuts Back to the range

Diameter

Thread

Material

Finish

Grade

Standard

Tensile

M12

1.75 coarse

Carbon Steel

Zinc Plated

Class 8

DIN 935

Proof 800 MPa

M16

2.0 coarse

Alloy Steel

Black Oxide

Class 10

DIN 935

Proof 1040 MPa

1/2"

13 UNC

Carbon Steel

Zinc Plated

SAE Grade 5

ASME B18.2.2

Proof 120 ksi

M20

2.5 coarse

Stainless 304

Plain

A2-70

ISO 7035

700 MPa