.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

Manufacturer

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; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG CAT2-0440-50L Sherex 1: $48.14 8In Stock New Product	Mfr. Part # CAT2-0440-50L Mouser Part # 153-CAT2-0440-50L New Product	Sherex	Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG	Datasheet	8In Stock	$48.14 $40.91 $38.68 $35.71 View $34.50 $33.02 $31.28 $30.12 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: $1.83 74,024In Stock 81,300On Order	Mfr. Part # SMTSO-440-12ET Mouser Part # 153-SMTSO-440-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	74,024In Stock 81,300On Order On Order Ship Dates Mfr. #: SMTSO-440-12ET Stock: 74,024 Can Ship Immediately On Order: 300 Pending 81,000 Expected 2026-11-06 Factory Lead-Time: 13 Weeks	Cut Tape $1.83 $1.37 $1.06 Reel $1.00 $0.982 View $0.949 $0.916 $0.883 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-440 PEM 1: $0.922 129,954In Stock 88,000Expected 2026-10-21	Mfr. Part # KFS2-440 Mouser Part # 153-KFS2-440	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	129,954In Stock 88,000Expected 2026-10-21	$0.922 $0.662 $0.531 $0.478 View $0.444 $0.432 $0.406 $0.397 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: $1.22 85,327In Stock 105,000Expected 2026-11-06	Mfr. Part # SMTSO-440-2ET Mouser Part # 153-SMTSO-440-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	85,327In Stock 105,000Expected 2026-11-06	Cut Tape $1.22 $0.923 $0.719 $0.677 Reel $0.639 View $0.662 $0.618 $0.596 $0.588 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: $1.87 42,137In Stock 59,800Expected 2026-11-04	Mfr. Part # SMTSO-440-8ET Mouser Part # 153-SMTSO-440-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	42,137In Stock 59,800Expected 2026-11-04	Cut Tape $1.87 $1.40 $1.09 Reel $1.03 $1.01 View $0.973 $0.94 $0.906 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.432 138,894In Stock	Mfr. Part # KF2-440-ET Mouser Part # 153-KF2-440-ET	PEM	Mounting Hardware NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	138,894In Stock	$0.432 $0.315 $0.252 $0.228 View $0.212 $0.204 $0.193 $0.189 $0.183	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES 19132 Vicor 1: $151.82 752In Stock	Mfr. Part # 19132 Mouser Part # 492-19132	Vicor	Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES	Datasheet	752In Stock	$151.82 $102.44	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.57 78,865In Stock	Mfr. Part # SMTSO-440-4ET Mouser Part # 153-SMTSO-440-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	78,865In Stock	Cut Tape $1.57 $1.17 $0.913 $0.861 Reel $0.842 View $0.814 $0.786 $0.757 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Mounting Hardware NUT, MINILOCK FEO-440-MD PEM 1: $1.40 6,703In Stock	Mfr. Part # FEO-440-MD Mouser Part # 153-FEO-440-MD	PEM	Mounting Hardware NUT, MINILOCK	Datasheet	6,703In Stock	$1.40 $0.991 $0.793 $0.714 View $0.606 $0.593 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SUREWARE STANDOFF SO-0165-04-01-02 Samtec 1: $4.65 2,641In Stock	Mfr. Part # SO-0165-04-01-02 Mouser Part # 200-SO0165040102	Samtec	Standoffs & Spacers SUREWARE STANDOFF		2,641In Stock	$4.65 $3.84 $3.48 $3.23 View $2.55 $2.38 $2.35 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-1015-03-01-01 Samtec 1: $3.72 2,925In Stock	Mfr. Part # SO-1015-03-01-01 Mouser Part # 200-SO1015030101	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		2,925In Stock	$3.72 $3.01 $2.36 $2.22 View $2.17 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-0715-01-01-02-N Samtec 1: $2.95 4,438In Stock	Mfr. Part # SO-0715-01-01-02-N Mouser Part # 200-SO0715010102N	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		4,438In Stock	$2.95 $2.15 $2.13 $1.67 View $1.56 $1.50 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F R44-1001202 Harwin 1: $0.547 9,323In Stock	Mfr. Part # R44-1001202 Mouser Part # 855-R44-1001202	Harwin	Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F Learn More about Harwin hexagonal clearance spacers	Datasheet	9,323In Stock	$0.547 $0.461 $0.419 $0.403 View $0.396 $0.379 $0.366 $0.351 $0.34	Min.: 1 Mult.: 1
Standoffs & Spacers SOS-440-.250/KNURL CLINCH DSOS-440-250 PEM 1: $1.27 6,785In Stock	Mfr. Part # DSOS-440-250 Mouser Part # 153-DSOS-440-250	PEM	Standoffs & Spacers SOS-440-.250/KNURL CLINCH Learn More about PEM dso dsos standoffs	Datasheet	6,785In Stock	$1.27 $0.907 $0.726 $0.654 View $0.606 $0.59 $0.556 $0.544 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel KFE-440-4ET PEM 1: $0.821 10,226In Stock	Mfr. Part # KFE-440-4ET Mouser Part # 153-KFE-440-4ET	PEM	Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	10,226In Stock	$0.821 $0.588 $0.469 $0.423 View $0.393 $0.382 $0.36 $0.353 $0.34	Min.: 1 Mult.: 1
Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel KFSE-440-8 PEM 1: $1.28 12,005In Stock	Mfr. Part # KFSE-440-8 Mouser Part # 153-KFSE-440-8	PEM	Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	12,005In Stock	$1.28 $0.956 $0.744 $0.701 View $0.687 $0.664 $0.641 $0.618 $0.608	Min.: 1 Mult.: 1
Mounting Hardware SMTRA440-9-6ET PEM 1: $3.12 9,846In Stock 29,400On Order	Mfr. Part # SMTRA440-9-6ET Mouser Part # 153-SMTRA440-9-6ET	PEM	Mounting Hardware Learn More about PEM smtra rangle fasteners	Datasheet	9,846In Stock 29,400On Order On Order Ship Dates Mfr. #: SMTRA440-9-6ET Stock: 9,846 Can Ship Immediately On Order: 3,000 Expected 2026-10-30 7,200 Expected 2026-11-02 19,200 Expected 2026-12-30 Factory Lead-Time: 28 Weeks	Cut Tape $3.12 $2.33 $1.81 Reel $1.70 MouseReel Available	Min.: 1 Mult.: 1 : 300
Standoffs & Spacers Broaching Standoff 4-40 .500 L Carbon Steel KFE-440-16ET PEM 1: $1.21 6,616In Stock	Mfr. Part # KFE-440-16ET Mouser Part # 153-KFE-440-16ET	PEM	Standoffs & Spacers Broaching Standoff 4-40 .500 L Carbon Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	6,616In Stock	$1.21 $0.857 $0.687 $0.647 View $0.549 $0.526 $0.514 Quote	Min.: 1 Mult.: 1
Mounting Hardware NUT, MINI, NL FEX-440 PEM 1: $1.02 9,550In Stock	Mfr. Part # FEX-440 Mouser Part # 153-FEX-440	PEM	Mounting Hardware NUT, MINI, NL	Datasheet	9,550In Stock	$1.02 $0.723 $0.579 $0.521 View $0.482 $0.469 $0.442 $0.433 Quote	Min.: 1 Mult.: 1
Mounting Hardware PF52-440-0CN PEM 1: $4.10 5,008In Stock	Mfr. Part # PF52-440-0CN Mouser Part # 153-PF52-440-0CN	PEM	Mounting Hardware	Datasheet	5,008In Stock	$4.10 $3.80 $3.40 $3.20 View $3.07 $2.97 $2.87 $2.76 Quote	Min.: 1 Mult.: 1
Screws & Fasteners PF11 PANEL FASTENER PF11-440-2 PEM 1: $4.26 3,603In Stock	Mfr. Part # PF11-440-2 Mouser Part # 153-PF11-440-2	PEM	Screws & Fasteners PF11 PANEL FASTENER Learn More about PEM pf11 pf12 pf11m pf12m screws	Datasheet	3,603In Stock	$4.26 $3.40 $3.14 $2.81 View $2.62 $2.48 $2.38 $2.28 $2.20	Min.: 1 Mult.: 1
Mounting Hardware SS LOW PROFILE NUT SMPS-440 PEM 1: $0.518 27,148In Stock	Mfr. Part # SMPS-440 Mouser Part # 153-SMPS-440	PEM	Mounting Hardware SS LOW PROFILE NUT	Datasheet	27,148In Stock	$0.518 $0.372 $0.297 $0.268 View $0.248 $0.242 $0.228 $0.223 $0.215	Min.: 1 Mult.: 1
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .062 L Brass KFB3-440-2ET PEM 1: $0.835 9,000In Stock	Mfr. Part # KFB3-440-2ET Mouser Part # 153-KFB3-440-2ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .062 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	9,000In Stock	$0.835 $0.589 $0.471 $0.444 View $0.376 $0.36 $0.353 $0.34	Min.: 1 Mult.: 1
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .125 L Brass KFB3-440-4ET PEM 1: $0.965 8,157In Stock	Mfr. Part # KFB3-440-4ET Mouser Part # 153-KFB3-440-4ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .125 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	8,157In Stock	$0.965 $0.675 $0.541 $0.51 View $0.432 $0.413 $0.405 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .250 L Brass KFB3-440-8ET PEM 1: $1.04 8,868In Stock	Mfr. Part # KFB3-440-8ET Mouser Part # 153-KFB3-440-8ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .250 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	8,868In Stock	$1.04 $0.736 $0.589 $0.53 View $0.492 $0.478 $0.451 $0.442 Quote	Min.: 1 Mult.: 1

4-40 Hardware

Types of Hardware

Applied Filters:

Mouser®

Company

Resources

Support