FIG. 4.02Washers · NXB-SLW

Split Lock Washers

A single-coil helical spring washer flattens under load and its sharp section ends bite into the nut and surface, providing tension and anti-rotation in light-to-medium duty joints.

Conforms to

DIN 127ASME B18.21.1

Size rangeM3–M30 · #6–1-1/4"

FIG. 4.02Drawn to standard

Split Lock Washers — representative profile, dimensioned to standard

Split Lock Washers — representative product photograph — PLATESplit Lock Washers — as supplied

FIG. SPECAt a glance

Size rangeM3–M30 · #6–1-1/4"

Materials3 options

Finishes3 options

Standards2 refs

Applications5 typical

FamilyWashers

Sprung helical ring digs in 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	—	Carbon Steel	Zinc Plated	Spring steel (~HRC 41)	DIN 127	—
M12	—	Carbon Steel	Black Oxide	Spring steel	DIN 127	—
1/2"	—	Carbon Steel	Zinc Plated	Medium-section	ASME B18.21.1	—
M10	—	Stainless 316	Plain	A4 spring temper	DIN 127	—

Representative specifications — not exhaustive · NXB-SLW

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 PlatedBlack OxidePlain

Standards

DIN 127ASME B18.21.1

Typical applications

Anti-vibration under nuts
Machinery and equipment assembly
Electrical terminal fixing
Automotive accessories
General locking duty

Served industries

Automotive OEM & Assembly Construction

FIG. RELRelated lines

Pairs & alternatives

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

FIG. 4.04NXB-SPW

Spring Washers

Wave or curved form maintains preload through movement.

M3–M24 · #6–1"

FIG. 4.01NXB-FLW

Flat Washers

Spreads clamp load and protects the bearing surface.

M3–M36 · #6–1-1/2"

FIG. 4.06NXB-BEL

Belleville Washers

Conical disc spring delivers high load in a small stack.

M3–M30 · 1/4"–1-1/4"

FIG. 3.02NXB-NYL

Nylon-Insert Lock Nuts

Nylon insert ring grips threads to resist vibration loosening.

M3–M36 · #4–1-1/2"

FIG. CTATalk to sales

Spec split lock washers 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 Split Lock Washers Back to the range

Diameter

Thread

Material

Finish

Grade

Standard

Tensile

—

Carbon Steel

Zinc Plated

Spring steel (~HRC 41)

DIN 127

—

M12

—

Carbon Steel

Black Oxide

Spring steel

DIN 127

—

1/2"

—

Carbon Steel

Zinc Plated

Medium-section

ASME B18.21.1

—

M10

—

Stainless 316

Plain

A4 spring temper

DIN 127

—