.hide-partial { max-height: none; } .show-more { display: none; }

4 mm Hardware

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Hardware

List Images

Results: 365

Applied Filters:

Length = 4 mm

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm

SO-RTM3-4ZI
PEM
1: £0.361
4,216In Stock
New Product

Mfr. Part No.
SO-RTM3-4ZI

Mouser Part No
153-SO-RTM3-4ZI

New Product

PEM

Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm

Learn More

Datasheet

4,216In Stock

£0.361

£0.26

£0.208

£0.188

View

Min.: 1
Mult.: 1

Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET

SMTSO-M3-4ET
PEM
1: £0.803
104,898In Stock
116,100Expected 26/08/2026

Mfr. Part No.
SMTSO-M3-4ET

Mouser Part No
153-SMTSO-M3-4ET

PEM

Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET

Learn More

Datasheet

104,898In Stock

116,100Expected 26/08/2026

Cut Tape

£0.803

£0.603

£0.47

£0.443

Reel

£0.432

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Screws & Fasteners REELFAST SURFACE MOUNT FASTENER M3X0.5 4mm L 1000 PC REEL

SMTBSO-M3-4ET
PEM
1: £1.02
11,218In Stock
10,000Expected 07/09/2026

Mfr. Part No.
SMTBSO-M3-4ET

Mouser Part No
153-SMTBSO-M3-4ET

PEM

Screws & Fasteners REELFAST SURFACE MOUNT FASTENER M3X0.5 4mm L 1000 PC REEL

Learn More

Datasheet

11,218In Stock

10,000Expected 07/09/2026

Cut Tape

£1.02

£0.796

£0.735

£0.651

Reel

£0.548

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Standoffs & Spacers SURFACE MOUNT STANDOFF

SMTSO-M2-4ET
PEM
1: £0.89
27,770In Stock
26,100Expected 28/10/2026

Mfr. Part No.
SMTSO-M2-4ET

Mouser Part No
153-SMTSO-M2-4ET

PEM

Standoffs & Spacers SURFACE MOUNT STANDOFF

Learn More

Datasheet

27,770In Stock

26,100Expected 28/10/2026

Cut Tape

£0.89

£0.668

£0.519

£0.491

Reel

£0.48

View

Min.: 1
Mult.: 1

: 900

Standoffs & Spacers R30 M3 x 4mm HEX 5mm A/F 8mm ML/FML NICKEL

R30-1010402
Harwin
1: £0.346
8,869In Stock

Mfr. Part No.
R30-1010402

Mouser Part No
855-R30-1010402

Harwin

Standoffs & Spacers R30 M3 x 4mm HEX 5mm A/F 8mm ML/FML NICKEL

Datasheet

8,869In Stock

£0.346

£0.344

£0.289

£0.263

View

Min.: 1
Mult.: 1

Mounting Fixings HI-TORQUE INSERT, BRASS

IUTB-M2
SI
1: £0.346
19,497In Stock
1,000Expected 14/08/2026

Mfr. Part No.
IUTB-M2

Mouser Part No
153-IUTB-M2

Mounting Fixings HI-TORQUE INSERT, BRASS

Learn More

Datasheet

19,497In Stock

1,000Expected 14/08/2026

£0.346

£0.25

£0.20

£0.18

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STAINLESS

SOS-M3-4
PEM
1: £0.548
6,109In Stock

Mfr. Part No.
SOS-M3-4

Mouser Part No
153-SOS-M3-4

PEM

Standoffs & Spacers STANDOFF, STAINLESS

Learn More

Datasheet

6,109In Stock

£0.548

£0.384

£0.308

£0.29

View

Min.: 1
Mult.: 1

Standoffs & Spacers SURFACE MOUNT STANDOFF

SMTSO-M4-4ET
PEM
1: £1.29
7,335In Stock
10,125Expected 21/09/2026

Mfr. Part No.
SMTSO-M4-4ET

Mouser Part No
153-SMTSO-M4-4ET

PEM

Standoffs & Spacers SURFACE MOUNT STANDOFF

Learn More

Datasheet

7,335In Stock

10,125Expected 21/09/2026

Cut Tape

£1.29

£0.969

£0.75

Reel

£0.707

£0.691

View

MouseReel Available

Min.: 1
Mult.: 1

: 675

Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA

MRPS-1.2MM-400
PEM
1: £1.75
751In Stock

Mfr. Part No.
MRPS-1.2MM-400

Mouser Part No
153-MRPS-1.2MM-400

PEM

Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA

Learn More

Datasheet

751In Stock

£1.75

£1.34

£1.24

£1.10

View

Min.: 1
Mult.: 1

Standoffs & Spacers Broaching Standoff 3.6 4mm Carbon Steel

KFE-3.6-4ET
PEM
1: £0.346
10,518In Stock

Mfr. Part No.
KFE-3.6-4ET

Mouser Part No
153-KFE-3.6-4ET

PEM

Standoffs & Spacers Broaching Standoff 3.6 4mm Carbon Steel

Learn More

Datasheet

10,518In Stock

£0.346

£0.249

£0.199

£0.179

View

Min.: 1
Mult.: 1

Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5

SMTSO-M25-4ET
PEM
1: £0.882
2,644In Stock
42,300On Order

Mfr. Part No.
SMTSO-M25-4ET

Mouser Part No
153-SMTSO-M25-4ET

PEM

Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5

Learn More

Datasheet

2,644In Stock

42,300On Order

Cut Tape

£0.882

£0.657

£0.512

£0.483

Reel

£0.471

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM

SMTSOB-M3-4ET
PEM
1: £0.952
7,268In Stock
10,800Expected 30/09/2026

Mfr. Part No.
SMTSOB-M3-4ET

Mouser Part No
153-SMTSOB-M3-4ET

PEM

Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM

Learn More

Datasheet

7,268In Stock

10,800Expected 30/09/2026

Cut Tape

£0.952

£0.711

£0.554

£0.523

Reel

£0.512

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Mounting Fixings HI-TORQUE INSERT, STAINLESS

IUTC-M2
SI
1: £0.368
8,749In Stock

Mfr. Part No.
IUTC-M2

Mouser Part No
153-IUTC-M2

Mounting Fixings HI-TORQUE INSERT, STAINLESS

Learn More

Datasheet

8,749In Stock

£0.368

£0.26

£0.208

£0.196

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF 400 SERIES STAINLESS

SO4-M3-4
PEM
1: £0.691
10,086In Stock

Mfr. Part No.
SO4-M3-4

Mouser Part No
153-SO4-M3-4

PEM

Standoffs & Spacers STANDOFF 400 SERIES STAINLESS

Datasheet

10,086In Stock

£0.691

£0.491

£0.394

£0.354

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-M4-4ZI
PEM
1: £0.405
10,044In Stock

Mfr. Part No.
SO-M4-4ZI

Mouser Part No
153-SO-M4-4ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

10,044In Stock

£0.405

£0.292

£0.233

£0.21

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, THIN HEAD, STAINLESS

TSOS-M25-400
PEM
1: £0.608
9,641In Stock

Mfr. Part No.
TSOS-M25-400

Mouser Part No
153-TSOS-M25-400

PEM

Standoffs & Spacers STANDOFF, THIN HEAD, STAINLESS

Datasheet

9,641In Stock

£0.608

£0.432

£0.346

£0.311

View

Min.: 1
Mult.: 1

Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS

STKB-M4-4
SI
1: £0.488
49In Stock

Mfr. Part No.
STKB-M4-4

Mouser Part No
153-STKB-M4-4

Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS

Learn More

Datasheet

49In Stock

£0.488

£0.347

£0.278

£0.25

View

Min.: 1
Mult.: 1

Mounting Fixings INTERNAL THRD SPACER KNRL S/S

STKC-M3-4
SI
1: £0.646
701In Stock

Mfr. Part No.
STKC-M3-4

Mouser Part No
153-STKC-M3-4

Mounting Fixings INTERNAL THRD SPACER KNRL S/S

Learn More

Datasheet

701In Stock

£0.646

£0.463

£0.37

£0.333

View

Min.: 1
Mult.: 1

Standoffs & Spacers

SMTSO-3.1-4ET
PEM
1: £0.934
5,234In Stock
10,800Expected 23/09/2026

Mfr. Part No.
SMTSO-3.1-4ET

Mouser Part No
153-SMTSO-3.1-4ET

PEM

Standoffs & Spacers

Datasheet

5,234In Stock

10,800Expected 23/09/2026

Cut Tape

£0.934

£0.691

£0.539

£0.507

Reel

£0.496

View

MouseReel Available

Min.: 1
Mult.: 1

: 900

Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM

SMTSOB-M25-4ET
PEM
1: £0.917
232In Stock
10,800Expected 19/08/2026

Mfr. Part No.
SMTSOB-M25-4ET

Mouser Part No
153-SMTSOB-M25-4ET

PEM

Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM

Learn More

Datasheet

232In Stock

10,800Expected 19/08/2026

Cut Tape

£0.917

£0.682

£0.531

£0.501

Reel

£0.489

View

Min.: 1
Mult.: 1

: 900

Mounting Fixings SYMMETRICAL FASTENER, THRU THREADED BRASS M2X0.4

MSIB-M2-400
SI
1: £0.188
1,476In Stock
5,000On Order

Mfr. Part No.
MSIB-M2-400

Mouser Part No
153-MSIB-M2-400

Mounting Fixings SYMMETRICAL FASTENER, THRU THREADED BRASS M2X0.4

Learn More

Datasheet

1,476In Stock

5,000On Order

£0.188

£0.133

£0.107

£0.095

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STAINLESS

SOS-M4-4
PEM
1: £0.751
192In Stock

Mfr. Part No.
SOS-M4-4

Mouser Part No
153-SOS-M4-4

PEM

Standoffs & Spacers STANDOFF, STAINLESS

Learn More

Datasheet

192In Stock

£0.751

£0.56

£0.437

£0.411

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-3.5M3-4ZI
PEM
1: £0.353
149In Stock

Mfr. Part No.
SO-3.5M3-4ZI

Mouser Part No
153-SO-3.5M3-4ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

149In Stock

£0.353

£0.254

£0.203

£0.182

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-M3-4ZI
PEM
1: £0.315
1,407In Stock
10,000Expected 23/09/2026

Mfr. Part No.
SO-M3-4ZI

Mouser Part No
153-SO-M3-4ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

1,407In Stock

10,000Expected 23/09/2026

£0.315

£0.223

£0.178

£0.168

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STAINLESS

SOS-3.5M3-4
PEM
1: £0.653
500In Stock

Mfr. Part No.
SOS-3.5M3-4

Mouser Part No
153-SOS-3.5M3-4

PEM

Standoffs & Spacers STANDOFF, STAINLESS

Learn More

Datasheet

500In Stock

£0.653

£0.49

£0.381

£0.359

View

Min.: 1
Mult.: 1

4 mm Hardware

Types of Hardware

Customer Service Office

Company

Resources

Support