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

4-40 Hardware

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

Types of Hardware

List Images

Results: 2,927

Applied Filters:

Thread Size = 4-40

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 #

Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL

IUTC-440-135
SI
1: $0.62
696In Stock

Mfr. Part No.
IUTC-440-135

Mouser Part No
153-IUTC-440-135

Mounting Fixings HI-TORQUE INSERT, STAINLESS STEEL .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL

Learn More

Datasheet

696In Stock

$0.62

$0.436

$0.349

$0.329

View

Min.: 1
Mult.: 1

Mounting Fixings THERMOPLASTIC INSERT,ALUMINUM

NFPA-440
SI
1: $0.461
2,322In Stock

Mfr. Part No.
NFPA-440

Mouser Part No
153-NFPA-440

Mounting Fixings THERMOPLASTIC INSERT,ALUMINUM

Learn More

Datasheet

2,322In Stock

$0.461

$0.333

$0.267

$0.24

View

Min.: 1
Mult.: 1

Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG

CAT2-0440-50L
Sherex
1: $33.44
7In Stock
New Product

Mfr. Part No.
CAT2-0440-50L

Mouser Part No
153-CAT2-0440-50L

New Product

Sherex

Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG

Datasheet

7In Stock

$33.44

$28.41

$26.87

$24.81

View

Min.: 1
Mult.: 1

Mounting Fixings HI-TORQUE INSERT, BRASS

IUTB-440
SI
1: $0.30
8,636In Stock

Mfr. Part No.
IUTB-440

Mouser Part No
153-IUTB-440

Mounting Fixings HI-TORQUE INSERT, BRASS

Learn More

Datasheet

8,636In Stock

$0.30

$0.211

$0.167

$0.158

View

Min.: 1
Mult.: 1

Mounting Fixings POST MOLD FLANGE INSERT BRASS

PFLB-440-1
SI
1: $0.48
2,370In Stock

Mfr. Part No.
PFLB-440-1

Mouser Part No
153-PFLB-440-1

Mounting Fixings POST MOLD FLANGE INSERT BRASS

Learn More

Datasheet

2,370In Stock

$0.48

$0.341

$0.273

$0.247

View

Min.: 1
Mult.: 1

Standoffs & Spacers 11MM HEX BOLT

740-331570
Amphenol CONEC
1: $0.90
213In Stock

Mfr. Part No.
740-331570

Mouser Part No
706-740-331570

Amphenol CONEC

Standoffs & Spacers 11MM HEX BOLT

Datasheet

213In Stock

$0.90

$0.762

$0.65

$0.565

View

Min.: 1
Mult.: 1

Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS

IBC-440-4
SI
1: $0.95
1,090In Stock

Mfr. Part No.
IBC-440-4

Mouser Part No
153-IBC-440-4

Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS

Learn More

Datasheet

1,090In Stock

$0.95

$0.675

$0.54

$0.486

View

Min.: 1
Mult.: 1

Mounting Fixings HI-TORQUE INSERT, STAINLESS

IUTC-440
SI
1: $0.64
939In Stock

Mfr. Part No.
IUTC-440

Mouser Part No
153-IUTC-440

Mounting Fixings HI-TORQUE INSERT, STAINLESS

Learn More

Datasheet

939In Stock

$0.64

$0.459

$0.368

$0.331

View

Min.: 1
Mult.: 1

Screws & Fasteners STUD, FLUSH, STEEL

FH-440-12ZI
PEM
1: $0.19
2,549In Stock

Mfr. Part No.
FH-440-12ZI

Mouser Part No
153-FH-440-12ZI

PEM

Screws & Fasteners STUD, FLUSH, STEEL

Learn More

Datasheet

2,549In Stock

$0.19

$0.14

$0.126

$0.108

View

Min.: 1
Mult.: 1

Mounting Fixings STUD, BROACHING, PHOS BRONZE

KFH-440-4ET
PEM
1: $0.28
4,155In Stock
26,000On Order

Mfr. Part No.
KFH-440-4ET

Mouser Part No
153-KFH-440-4ET

PEM

Mounting Fixings STUD, BROACHING, PHOS BRONZE

Learn More

Datasheet

4,155In Stock

26,000On Order

$0.28

$0.202

$0.16

$0.145

View

Min.: 1
Mult.: 1

Mounting Fixings POST MOLD INSERT, BRASS

PPA-440-1
SI
1: $0.33
1,910In Stock

Mfr. Part No.
PPA-440-1

Mouser Part No
153-PPA-440-1

Mounting Fixings POST MOLD INSERT, BRASS

Learn More

Datasheet

1,910In Stock

$0.33

$0.237

$0.19

$0.17

View

Min.: 1
Mult.: 1

Mounting Fixings POST MOLD INSERT, BRASS

PPB-440-2
SI
1: $0.53
31In Stock

Mfr. Part No.
PPB-440-2

Mouser Part No
153-PPB-440-2

Mounting Fixings POST MOLD INSERT, BRASS

Learn More

Datasheet

31In Stock

$0.53

$0.383

$0.306

$0.276

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-440-8ZI
PEM
1: $0.44
5,835In Stock

Mfr. Part No.
SO-440-8ZI

Mouser Part No
153-SO-440-8ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

5,835In Stock

$0.44

$0.313

$0.25

$0.226

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-6440-10ZI
PEM
1: $0.54
547In Stock

Mfr. Part No.
SO-6440-10ZI

Mouser Part No
153-SO-6440-10ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

547In Stock

$0.54

$0.385

$0.308

$0.277

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-6440-8ZI
PEM
1: $0.511
1,110In Stock

Mfr. Part No.
SO-6440-8ZI

Mouser Part No
153-SO-6440-8ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

1,110In Stock

$0.511

$0.359

$0.287

$0.27

View

Min.: 1
Mult.: 1

Standoffs & Spacers SOS-440 L=.273 KNURL CLINCH

DSOS-440-275
PEM
1: $0.90
4,110In Stock

Mfr. Part No.
DSOS-440-275

Mouser Part No
153-DSOS-440-275

PEM

Standoffs & Spacers SOS-440 L=.273 KNURL CLINCH

Learn More

Datasheet

4,110In Stock

$0.90

$0.64

$0.512

$0.461

View

Min.: 1
Mult.: 1

Screws & Fasteners STUD, FLUSH, STEEL

FH-440-5ZI
PEM
1: $0.17
9,978In Stock

Mfr. Part No.
FH-440-5ZI

Mouser Part No
153-FH-440-5ZI

PEM

Screws & Fasteners STUD, FLUSH, STEEL

Learn More

Datasheet

9,978In Stock

$0.17

$0.124

$0.112

$0.097

View

Min.: 1
Mult.: 1

Screws & Fasteners STUD, FLUSH, STAINLESS

FHS-440-10
PEM
1: $0.28
6,130In Stock

Mfr. Part No.
FHS-440-10

Mouser Part No
153-FHS-440-10

PEM

Screws & Fasteners STUD, FLUSH, STAINLESS

Learn More

Datasheet

6,130In Stock

$0.28

$0.215

$0.194

$0.169

View

Min.: 1
Mult.: 1

Screws & Fasteners STUD, FLUSH, STAINLESS

FHS-440-4
PEM
1: $0.23
7,261In Stock

Mfr. Part No.
FHS-440-4

Mouser Part No
153-FHS-440-4

PEM

Screws & Fasteners STUD, FLUSH, STAINLESS

Learn More

Datasheet

7,261In Stock

$0.23

$0.179

$0.162

$0.14

View

Min.: 1
Mult.: 1

Standoffs & Spacers Broach Flare Mount Standoff 4-40 .375 L Brass

KFB3-440-12ET
PEM
1: $0.811
392In Stock
10,000Expected 2026/10/07

Mfr. Part No.
KFB3-440-12ET

Mouser Part No
153-KFB3-440-12ET

PEM

Standoffs & Spacers Broach Flare Mount Standoff 4-40 .375 L Brass

Learn More

Datasheet

392In Stock

10,000Expected 2026/10/07

$0.811

$0.576

$0.461

$0.414

View

Min.: 1
Mult.: 1

Standoffs & Spacers Broach Flare Mount Standoff 4-40 .187 L Brass

KFB3-440-6ET
PEM
1: $0.661
4,696In Stock
10,000Expected 2026/08/17

Mfr. Part No.
KFB3-440-6ET

Mouser Part No
153-KFB3-440-6ET

PEM

Standoffs & Spacers Broach Flare Mount Standoff 4-40 .187 L Brass

Learn More

Datasheet

4,696In Stock

10,000Expected 2026/08/17

$0.661

$0.475

$0.379

$0.341

View

Min.: 1
Mult.: 1

Mounting Fixings FLOATER,ASSEMBLY,LOCKING,S/S

LAC-440-2MD
PEM
1: $2.55
720In Stock
5,000Expected 2026/10/07

Mfr. Part No.
LAC-440-2MD

Mouser Part No
153-LAC-440-2MD

PEM

Mounting Fixings FLOATER,ASSEMBLY,LOCKING,S/S

Datasheet

720In Stock

5,000Expected 2026/10/07

$2.55

$1.90

$1.48

$1.40

View

Min.: 1
Mult.: 1

Mounting Fixings THERMOPLASTIC INSERT,STAINLESS

NFPC-440
SI
1: $0.65
700In Stock

Mfr. Part No.
NFPC-440

Mouser Part No
153-NFPC-440

Mounting Fixings THERMOPLASTIC INSERT,STAINLESS

Learn More

Datasheet

700In Stock

$0.65

$0.459

$0.368

$0.347

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-440-12ZI
PEM
1: $0.48
430In Stock

Mfr. Part No.
SO-440-12ZI

Mouser Part No
153-SO-440-12ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

430In Stock

$0.48

$0.345

$0.276

$0.248

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-440-4ZI
PEM
1: $0.42
550In Stock

Mfr. Part No.
SO-440-4ZI

Mouser Part No
153-SO-440-4ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

550In Stock

$0.42

$0.304

$0.242

$0.217

View

Min.: 1
Mult.: 1

4-40 Hardware

Types of Hardware

Customer Service Office

Company

Resources

Support