4-40 – Mouser Singapore

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

Results: 3,056

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 (SGD) 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: $45.46 8In 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	8In Stock	$45.46 $38.64 $36.53 $33.73 View $32.59 $31.18 $29.54 $28.45 Quote	Min.: 1 Mult.: 1
Mounting Fixings NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.408 138,979In Stock	Mfr. Part No. KF2-440-ET Mouser Part No 153-KF2-440-ET	PEM	Mounting Fixings NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	138,979In Stock	$0.408 $0.298 $0.238 $0.215 View $0.20 $0.193 $0.182 $0.178 $0.173	Min.: 1 Mult.: 1
Mounting Fixings NUT, BROACHING, STAINLESS KFS2-440 PEM 1: $0.87 130,025In Stock 88,000Expected 21/10/2026	Mfr. Part No. KFS2-440 Mouser Part No 153-KFS2-440	PEM	Mounting Fixings NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	130,025In Stock 88,000Expected 21/10/2026	$0.87 $0.626 $0.502 $0.452 View $0.419 $0.408 $0.384 $0.375 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: $1.16 87,214In Stock 105,000Expected 6/11/2026	Mfr. Part No. SMTSO-440-2ET Mouser Part No 153-SMTSO-440-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	87,214In Stock 105,000Expected 6/11/2026	Cut Tape $1.16 $0.872 $0.679 $0.639 Reel $0.604 View $0.626 $0.583 $0.563 $0.555 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: $1.73 74,304In Stock 81,300On Order	Mfr. Part No. SMTSO-440-12ET Mouser Part No 153-SMTSO-440-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	74,304In Stock 81,300On Order On Order Ship Dates Mfr. No: SMTSO-440-12ET Stock: 74,304 Can Dispatch Immediately On Order: 300 Pending 81,000 Expected 6/11/2026 Factory Lead Time: 13 Weeks	Cut Tape $1.73 $1.29 $1.01 Reel $0.948 $0.928 View $0.896 $0.865 $0.834 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.48 78,865In Stock	Mfr. Part No. SMTSO-440-4ET Mouser Part No 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 $1.48 $1.11 $0.862 $0.813 Reel $0.796 View $0.768 $0.743 $0.715 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES 19132 Vicor 1: $143.38 752In Stock	Mfr. Part No. 19132 Mouser Part No 492-19132	Vicor	Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES	Datasheet	752In Stock	$143.38 $96.75	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: $1.77 43,677In Stock 59,800Expected 4/11/2026	Mfr. Part No. SMTSO-440-8ET Mouser Part No 153-SMTSO-440-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	43,677In Stock 59,800Expected 4/11/2026	Cut Tape $1.77 $1.32 $1.03 Reel $0.972 $0.951 View $0.919 $0.888 $0.855 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-0715-01-01-02-N Samtec 1: $2.73 4,438In Stock	Mfr. Part No. SO-0715-01-01-02-N Mouser Part No 200-SO0715010102N	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		4,438In Stock	$2.73 $2.03 $2.01 $1.60 View $1.50 $1.48 $1.41	Min.: 1 Mult.: 1
Standoffs & Spacers SUREWARE STANDOFF SO-0165-04-01-02 Samtec 1: $4.39 2,641In Stock	Mfr. Part No. SO-0165-04-01-02 Mouser Part No 200-SO0165040102	Samtec	Standoffs & Spacers SUREWARE STANDOFF		2,641In Stock	$4.39 $3.63 $3.29 $3.05 View $2.41 $2.24 $2.22 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-1015-03-01-01 Samtec 1: $3.44 2,925In Stock	Mfr. Part No. SO-1015-03-01-01 Mouser Part No 200-SO1015030101	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		2,925In Stock	$3.44 $2.84 $2.23 $2.09 View $2.07 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350" 5229996-3 TE Connectivity / AMP 1: $0.299 19,895In Stock	Mfr. Part No. 5229996-3 Mouser Part No 571-5229996-3	TE Connectivity / AMP	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350"	Datasheet	19,895In Stock	$0.299 $0.269 $0.243 $0.234 View $0.218 $0.203 $0.185 $0.177 $0.155	Min.: 1 Mult.: 1
Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F R44-1001202 Harwin 1: $0.53 9,323In Stock	Mfr. Part No. R44-1001202 Mouser Part No 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	$0.53 $0.442 $0.396 $0.381 View $0.374 $0.358 $0.336 $0.322 $0.313	Min.: 1 Mult.: 1
Mounting Fixings NUT, MINILOCK FEO-440-MD PEM 1: $1.32 6,703In Stock	Mfr. Part No. FEO-440-MD Mouser Part No 153-FEO-440-MD	PEM	Mounting Fixings NUT, MINILOCK	Datasheet	6,703In Stock	$1.32 $0.936 $0.749 $0.675 View $0.573 $0.56 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers .420 MAL-FEM 6PCS 18159 Vicor 1: $15.84 197In Stock	Mfr. Part No. 18159 Mouser Part No 492-18159	Vicor	Standoffs & Spacers .420 MAL-FEM 6PCS	Datasheet	197In Stock	$15.84 $15.79 $15.03 $14.78 View $14.42 $13.98 $13.95 $13.94 Quote	Min.: 1 Mult.: 1
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: $2.99 4,893In Stock	Mfr. Part No. AC-440-1 Mouser Part No 153-AC-440-1	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,893In Stock	$2.99 $2.24 $1.74 $1.65 View $1.59 $1.54 $1.48 $1.44 Quote	Min.: 1 Mult.: 1
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: $3.01 4,943In Stock	Mfr. Part No. AC-440-2 Mouser Part No 153-AC-440-2	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,943In Stock	$3.01 $2.24 $1.75 $1.65 View $1.59 $1.55 $1.50 $1.44 Quote	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: $0.653 9,989In Stock	Mfr. Part No. IUTFB-440 Mouser Part No 153-IUTFB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,989In Stock	$0.653 $0.458 $0.367 $0.33 View $0.302 $0.298 $0.28 $0.275 $0.265	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-4 PEM 1: $1.06 10,083In Stock	Mfr. Part No. SOS-440-4 Mouser Part No 153-SOS-440-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,083In Stock	$1.06 $0.747 $0.598 $0.539 View $0.499 $0.486 $0.457 $0.447 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-6 PEM 1: $1.07 8,728In Stock	Mfr. Part No. SOS-440-6 Mouser Part No 153-SOS-440-6	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	8,728In Stock	$1.07 $0.758 $0.607 $0.547 View $0.506 $0.492 $0.464 $0.454 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-6440-10 PEM 1: $1.29 10,284In Stock	Mfr. Part No. SOS-6440-10 Mouser Part No 153-SOS-6440-10	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,284In Stock	$1.29 $0.956 $0.744 $0.702 View $0.685 $0.662 $0.639 $0.616 $0.608	Min.: 1 Mult.: 1
Mounting Fixings NUT, MINI, NL FEX-440 PEM 1: $0.966 9,550In Stock	Mfr. Part No. FEX-440 Mouser Part No 153-FEX-440	PEM	Mounting Fixings NUT, MINI, NL	Datasheet	9,550In Stock	$0.966 $0.683 $0.547 $0.492 View $0.456 $0.443 $0.418 $0.409 Quote	Min.: 1 Mult.: 1
Mounting Fixings PF52-440-0CN PEM 1: $3.88 5,008In Stock	Mfr. Part No. PF52-440-0CN Mouser Part No 153-PF52-440-0CN	PEM	Mounting Fixings	Datasheet	5,008In Stock	$3.88 $3.59 $3.21 $3.02 View $2.90 $2.80 $2.71 $2.61 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCRW RETAINER KIT 5746881-2 TE Connectivity / AMP 1: $3.13 10,000In Stock	Mfr. Part No. 5746881-2 Mouser Part No 571-5746881-2	TE Connectivity / AMP	D-Sub Tools & Hardware SCRW RETAINER KIT	Datasheet	10,000In Stock	$3.13 $2.73 $2.43 $2.33 View $2.18 $2.08 $1.96 $1.82 $1.58	Min.: 1 Mult.: 1
Mounting Fixings STUD, BROACHING, PHOS BRONZE KFH-440-5ET PEM 1: $0.394 14,086In Stock 25,000On Order	Mfr. Part No. KFH-440-5ET Mouser Part No 153-KFH-440-5ET	PEM	Mounting Fixings STUD, BROACHING, PHOS BRONZE Learn More about PEM kfh broaching studs	Datasheet	14,086In Stock 25,000On Order On Order Ship Dates Mfr. No: KFH-440-5ET Stock: 14,086 Can Dispatch Immediately On Order: 9,000 Pending 16,000 Expected 10/3/2027 Factory Lead Time: 20 Weeks	$0.394 $0.282 $0.226 $0.203 View $0.188 $0.184 $0.173 $0.169 $0.163	Min.: 1 Mult.: 1