FIG. 3.02Nuts · NXB-NYL

Nylon-Insert Lock Nuts

A polymer collar seated above the thread deforms onto the bolt to create prevailing-torque locking — reusable, vibration-resistant, and rated to roughly 120 °C; all-metal variants serve higher temperatures.

Conforms to

DIN 985DIN 982ISO 10511ISO 7040

Size rangeM3–M36 · #4–1-1/2"

FIG. 3.02Drawn to standard

Nylon-Insert Lock Nuts — representative profile, dimensioned to standard

Nylon-Insert Lock Nuts — representative product photograph — PLATENylon-Insert Lock Nuts — as supplied

FIG. SPECAt a glance

Size rangeM3–M36 · #4–1-1/2"

Materials3 options

Finishes2 options

Standards4 refs

Applications5 typical

FamilyNuts

Nylon insert ring grips threads to resist vibration loosening.

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
M8	1.25 coarse	Carbon Steel	Zinc Plated	Class 8	DIN 985	Proof 800 MPa
M12	1.75 coarse	Carbon Steel	Zinc Plated	Class 10	DIN 982	Proof 1040 MPa
1/4"	20 UNC	Stainless 304	Plain	A2-70	ISO 10511	700 MPa
M10	1.5 coarse	Stainless 316	Plain	A4-80	ISO 10511	800 MPa

Representative specifications — not exhaustive · NXB-NYL

FIG. SELSelection

Materials, finishes & where it works

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

Materials

Carbon SteelStainless 304Stainless 316

Finishes

Zinc PlatedPlain

Standards

DIN 985DIN 982ISO 10511ISO 7040

Typical applications

Vibration-prone machinery
Automotive chassis and suspension
Rotating equipment
Trailer and towing assemblies
Pump and motor mounts

Served industries

Automotive OEM & Assembly Marine Construction

FIG. RELRelated lines

Pairs & alternatives

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

FIG. 3.01NXB-HXN

Hex Nuts

The standard six-sided nut for threaded assemblies.

M3–M48 · #4–2"

FIG. 3.05NXB-FLN

Flange Nuts

Integral serrated flange spreads load and locks against backout.

M5–M20 · 1/4"–3/4"

FIG. 3.08NXB-CSN

Castle Nuts

Slotted crown takes a cotter pin for positive locking.

M6–M36 · 1/4"–1-1/2"

FIG. 4.02NXB-SLW

Split Lock Washers

Sprung helical ring digs in to resist vibration loosening.

M3–M30 · #6–1-1/4"

FIG. CTATalk to sales

Spec nylon-insert lock 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 Nylon-Insert Lock Nuts Back to the range

Diameter

Thread

Material

Finish

Grade

Standard

Tensile

1.25 coarse

Carbon Steel

Zinc Plated

Class 8

DIN 985

Proof 800 MPa

M12

1.75 coarse

Carbon Steel

Zinc Plated

Class 10

DIN 982

Proof 1040 MPa

1/4"

20 UNC

Stainless 304

Plain

A2-70

ISO 10511

700 MPa

M10

1.5 coarse

Stainless 316

Plain

A4-80

ISO 10511

800 MPa