.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 #

Standoffs & Spacers STANDOFF, STAINLESS

SOS-440-14
PEM
1: $0.80
980In Stock

Mfr. Part No.
SOS-440-14

Mouser Part No
153-SOS-440-14

PEM

Standoffs & Spacers STANDOFF, STAINLESS

Learn More

Datasheet

980In Stock

$0.80

$0.598

$0.466

$0.44

View

Min.: 1
Mult.: 1

Screws & Fasteners SP NUT;440-0 COLD FORMED

SP-440-0
PEM
1: $0.95
675In Stock

Mfr. Part No.
SP-440-0

Mouser Part No
153-SP-440-0

PEM

Screws & Fasteners SP NUT;440-0 COLD FORMED

Learn More

Datasheet

675In Stock

$0.95

$0.741

$0.676

$0.597

View

Min.: 1
Mult.: 1

Screws & Fasteners NUT, X-HARD, PEM 300

SP-440-2
PEM
1: $0.89
1,340In Stock
10,000Expected 2026/09/23

Mfr. Part No.
SP-440-2

Mouser Part No
153-SP-440-2

PEM

Screws & Fasteners NUT, X-HARD, PEM 300

Learn More

Datasheet

1,340In Stock

10,000Expected 2026/09/23

$0.89

$0.687

$0.627

$0.552

View

Min.: 1
Mult.: 1

Standoffs & Spacers STDOFF SHT.348 M

19130
Vicor
1: $121.66
5In Stock

Mfr. Part No.
19130

Mouser Part No
492-19130

Vicor

Standoffs & Spacers STDOFF SHT.348 M

5In Stock

$121.66

Min.: 1
Mult.: 1

Mounting Fixings STUD, CONCEALED, STAINLESS

CFHC-440-6
PEM
1: $0.611
504In Stock

Mfr. Part No.
CFHC-440-6

Mouser Part No
153-CFHC-440-6

PEM

Mounting Fixings STUD, CONCEALED, STAINLESS

Datasheet

504In Stock

$0.611

$0.44

$0.351

$0.316

View

Min.: 1
Mult.: 1

Mounting Fixings NUT, PLAIN, ALUMINIUM

CLA-440-2
PEM
1: $0.33
1,271In Stock

Mfr. Part No.
CLA-440-2

Mouser Part No
153-CLA-440-2

PEM

Mounting Fixings NUT, PLAIN, ALUMINIUM

Learn More

Datasheet

1,271In Stock

$0.33

$0.233

$0.187

$0.176

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS

CSS-440-4
PEM
1: $1.26
315In Stock

Mfr. Part No.
CSS-440-4

Mouser Part No
153-CSS-440-4

PEM

Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS

Learn More

Datasheet

315In Stock

$1.26

$0.935

$0.728

$0.686

View

Min.: 1
Mult.: 1

Screws & Fasteners FLUSH MOUNT-LOW DISPLACE.STUDS

FHL-440-4ZI
PEM
1: $0.17
390In Stock

Mfr. Part No.
FHL-440-4ZI

Mouser Part No
153-FHL-440-4ZI

PEM

Screws & Fasteners FLUSH MOUNT-LOW DISPLACE.STUDS

Datasheet

390In Stock

$0.17

$0.13

$0.117

$0.101

View

Min.: 1
Mult.: 1

Screws & Fasteners BROACHING STUD

KFH-440-10ET
PEM
1: $0.37
3,223In Stock

Mfr. Part No.
KFH-440-10ET

Mouser Part No
153-KFH-440-10ET

PEM

Screws & Fasteners BROACHING STUD

Learn More

Datasheet

3,223In Stock

$0.37

$0.276

$0.248

$0.216

View

Min.: 1
Mult.: 1

Standoffs & Spacers Broaching Standoff 4-40 .500 L Stainless Steel

KFSE-440-16
PEM
1: $1.26
112In Stock

Mfr. Part No.
KFSE-440-16

Mouser Part No
153-KFSE-440-16

PEM

Standoffs & Spacers Broaching Standoff 4-40 .500 L Stainless Steel

Learn More

Datasheet

112In Stock

$1.26

$0.94

$0.74

$0.628

View

Min.: 1
Mult.: 1

Screws & Fasteners NUT, PLAIN, STEEL

S-440-2ZI
PEM
1: $0.19
9,202In Stock

Mfr. Part No.
S-440-2ZI

Mouser Part No
153-S-440-2ZI

PEM

Screws & Fasteners NUT, PLAIN, STEEL

Learn More

Datasheet

9,202In Stock

$0.19

$0.147

$0.133

$0.114

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STAINLESS

SOS-6440-6
PEM
1: $0.85
243In Stock

Mfr. Part No.
SOS-6440-6

Mouser Part No
153-SOS-6440-6

PEM

Standoffs & Spacers STANDOFF, STAINLESS

Learn More

Datasheet

243In Stock

$0.85

$0.633

$0.498

$0.423

View

Min.: 1
Mult.: 1

Screws & Fasteners NUT, PLAIN, STAINLESS

CLS-440-2
PEM
1: $0.34
7,045In Stock
10,000Expected 2026/09/23

Mfr. Part No.
CLS-440-2

Mouser Part No
153-CLS-440-2

PEM

Screws & Fasteners NUT, PLAIN, STAINLESS

Learn More

Datasheet

7,045In Stock

10,000Expected 2026/09/23

$0.34

$0.254

$0.23

$0.20

View

Min.: 1
Mult.: 1

Screws & Fasteners STUD, FLUSH, STEEL

FH-440-4ZI
PEM
1: $0.16
16,916In Stock

Mfr. Part No.
FH-440-4ZI

Mouser Part No
153-FH-440-4ZI

PEM

Screws & Fasteners STUD, FLUSH, STEEL

Learn More

Datasheet

16,916In Stock

$0.16

$0.122

$0.109

$0.094

View

Min.: 1
Mult.: 1

Mounting Fixings MOLD-IN INSERT, BLIND, BRASS

IBB-440-6
SI
1: $0.44
1,483In Stock

Mfr. Part No.
IBB-440-6

Mouser Part No
153-IBB-440-6

Mounting Fixings MOLD-IN INSERT, BLIND, BRASS

Learn More

Datasheet

1,483In Stock

$0.44

$0.317

$0.254

$0.229

View

Min.: 1
Mult.: 1

Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS

IBC-440-6
SI
1: $0.88
477In Stock

Mfr. Part No.
IBC-440-6

Mouser Part No
153-IBC-440-6

Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS

Learn More

Datasheet

477In Stock

$0.88

$0.63

$0.504

$0.454

View

Min.: 1
Mult.: 1

Mounting Fixings MOLD-IN INSERT, STAINLESS

ITC-440
SI
1: $0.65
970In Stock

Mfr. Part No.
ITC-440

Mouser Part No
153-ITC-440

Mounting Fixings MOLD-IN INSERT, STAINLESS

Learn More

Datasheet

970In Stock

$0.65

$0.465

$0.373

$0.335

View

Min.: 1
Mult.: 1

Mounting Fixings ULTRASONIC INSERT, STAINLESS

IUC-440-2
SI
1: $0.53
1,515In Stock
10,000Expected 2026/11/06

Mfr. Part No.
IUC-440-2

Mouser Part No
153-IUC-440-2

Mounting Fixings ULTRASONIC INSERT, STAINLESS

Learn More

Datasheet

1,515In Stock

10,000Expected 2026/11/06

$0.53

$0.373

$0.298

$0.281

View

Min.: 1
Mult.: 1

Mounting Fixings HI-TORQUE INSERT, ALUM

IUTA-440
SI
1: $0.33
659In Stock

Mfr. Part No.
IUTA-440

Mouser Part No
153-IUTA-440

Mounting Fixings HI-TORQUE INSERT, ALUM

Learn More

Datasheet

659In Stock

$0.33

$0.235

$0.188

$0.169

View

Min.: 1
Mult.: 1

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

IUTA-440-135
SI
1: $0.33
946In Stock

Mfr. Part No.
IUTA-440-135

Mouser Part No
153-IUTA-440-135

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

Learn More

Datasheet

946In Stock

$0.33

$0.235

$0.188

$0.169

View

Min.: 1
Mult.: 1

Mounting Fixings STUD, BROACHING, PHOS BRONZE

KFH-440-12ET
PEM
1: $0.32
11,180In Stock

Mfr. Part No.
KFH-440-12ET

Mouser Part No
153-KFH-440-12ET

PEM

Mounting Fixings STUD, BROACHING, PHOS BRONZE

Learn More

Datasheet

11,180In Stock

$0.32

$0.233

$0.187

$0.167

View

Min.: 1
Mult.: 1

Mounting Fixings STUD, BROACHING, PHOS BRONZE

KFH-440-8ET
PEM
1: $0.33
7,675In Stock
24,000On Order

Mfr. Part No.
KFH-440-8ET

Mouser Part No
153-KFH-440-8ET

PEM

Mounting Fixings STUD, BROACHING, PHOS BRONZE

Learn More

Datasheet

7,675In Stock

24,000On Order

$0.33

$0.24

$0.192

$0.172

View

Min.: 1
Mult.: 1

Standoffs & Spacers Broaching Standoff 4-40 .750 L Stainless Steel

KFSE-440-24
PEM
1: $1.99
810In Stock

Mfr. Part No.
KFSE-440-24

Mouser Part No
153-KFSE-440-24

PEM

Standoffs & Spacers Broaching Standoff 4-40 .750 L Stainless Steel

Learn More

Datasheet

810In Stock

$1.99

$1.48

$1.15

$1.09

View

Min.: 1
Mult.: 1

Mounting Fixings POST MOLD FLANGE INSERT ALUM

PFLA-440-2
SI
1: $0.47
608In Stock

Mfr. Part No.
PFLA-440-2

Mouser Part No
153-PFLA-440-2

Mounting Fixings POST MOLD FLANGE INSERT ALUM

Learn More

Datasheet

608In Stock

$0.47

$0.333

$0.267

$0.24

View

Min.: 1
Mult.: 1

Standoffs & Spacers STANDOFF, STEEL

SO-6440-6ZI
PEM
1: $0.47
72In Stock

Mfr. Part No.
SO-6440-6ZI

Mouser Part No
153-SO-6440-6ZI

PEM

Standoffs & Spacers STANDOFF, STEEL

Learn More

Datasheet

72In Stock

$0.47

$0.337

$0.27

$0.243

View

Min.: 1
Mult.: 1

4-40 Hardware

Types of Hardware

Customer Service Office

Company

Resources

Support