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.
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-10 SI 1: $0.775 5,343In Stock	Mfr. Part No. IBB-440-10 Mouser Part No 153-IBB-440-10	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	5,343In Stock	$0.775 $0.541 $0.434 $0.39 View $0.362 $0.351 $0.332 $0.324 $0.313	Min.: 1 Mult.: 1
Standoffs & Spacers STDOFF.453 M FLOG 20189 Vicor 1: $220.36 6In Stock	Mfr. Part No. 20189 Mouser Part No 492-20189	Vicor	Standoffs & Spacers STDOFF.453 M FLOG	Datasheet	6In Stock	$220.36 $175.28 $160.25 $160.22 View $154.58 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STEEL SO-440-6ZI PEM 1: $0.598 9,028In Stock	Mfr. Part No. SO-440-6ZI Mouser Part No 153-SO-440-6ZI	PEM	Standoffs & Spacers STANDOFF, STEEL Learn More about PEM so sos standoffs	Datasheet	9,028In Stock	$0.598 $0.418 $0.335 $0.302 View $0.275 $0.271 $0.256 $0.25 $0.242	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG R4-40X3/16 2701 APM HEXSEAL 1: $1.20 7,911In Stock	Mfr. Part No. R4-40X3/16 2701 Mouser Part No 608-R4-40X3/162701	APM HEXSEAL	Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG		7,911In Stock	$1.20 $0.947 $0.802 $0.737 View $0.681 $0.646 $0.613 $0.596 $0.568	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw R4-40X5/16 2615 APM HEXSEAL 1: $1.35 6,150In Stock	Mfr. Part No. R4-40X5/16 2615 Mouser Part No 608-R4-40X5/162615	APM HEXSEAL	Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	6,150In Stock	$1.35 $1.06 $0.964 $0.853 View $0.792 $0.751 $0.714 $0.691 $0.664	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 SFR4-40X5/16 2701 APM HEXSEAL 1: $1.20 4,243In Stock	Mfr. Part No. SFR4-40X5/16 2701 Mouser Part No 608-SFR440X5162701	APM HEXSEAL	Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 Learn More about APM HEXSEAL self sealing hardware		4,243In Stock	$1.20 $0.918 $0.836 $0.737 View $0.714 $0.641 $0.626	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X2.00 ALUM 2207 Keystone Electronics 1: $2.28 7,112In Stock	Mfr. Part No. 2207 Mouser Part No 534-2207	Keystone Electronics	Standoffs & Spacers HEX .250X2.00 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	7,112In Stock	$2.28 $1.84 $1.78 $1.74 View $1.46 $1.09 $1.01 $0.898	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 SURFACE MOUNT STANDOFF ELECTRO-SOLDER (ES) REEL PEM SMTSO-440-4ES SMTSO-440-4ES PEM 1: $1.33 1,857In Stock	Mfr. Part No. SMTSO-440-4ES Mouser Part No 153-SMTSO-440-4ES	PEM	Standoffs & Spacers 4-40 SURFACE MOUNT STANDOFF ELECTRO-SOLDER (ES) REEL	Datasheet	1,857In Stock	Cut Tape $1.33 $0.991 $0.772 $0.728 Reel $0.619 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Screws & Fasteners PEM KPS6-440-4 KPS6-440-4 PEM 1: $1.01 2,172In Stock	Mfr. Part No. KPS6-440-4 Mouser Part No 153-KPS6-440-4	PEM	Screws & Fasteners	Datasheet	2,172In Stock	$1.01 $0.777 $0.71 $0.624 View $0.578 $0.548 $0.521 $0.505 $0.48	Min.: 1 Mult.: 1
Standoffs & Spacers .375 FEM-FEM 6PC Vicor 20176 20176 Vicor 1: $26.14 10In Stock	Mfr. Part No. 20176 Mouser Part No 492-20176	Vicor	Standoffs & Spacers .375 FEM-FEM 6PC	Datasheet	10In Stock	$26.14 $25.62	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" Alum 4-40 2054T-440-AL-7 RAF Electronic Hardware 1: $0.666 7,918In Stock 1,230Expected 30/11/2026	Mfr. Part No. 2054T-440-AL-7 Mouser Part No 761-2054T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" Alum 4-40	Datasheet	7,918In Stock 1,230Expected 30/11/2026	$0.666 $0.49 $0.392 $0.352 View $0.345 $0.335 $0.306 $0.294 $0.286	Min.: 1 Mult.: 1
Screws & Fasteners PEM KPS6-440-16 KPS6-440-16 PEM 1: $1.66 2,335In Stock	Mfr. Part No. KPS6-440-16 Mouser Part No 153-KPS6-440-16	PEM	Screws & Fasteners	Datasheet	2,335In Stock	$1.66 $1.30 $1.19 $1.05 View $0.976 $0.928 $0.881 $0.851 $0.819	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.750 ALUM 3481 Keystone Electronics 1: $0.694 5,953In Stock	Mfr. Part No. 3481 Mouser Part No 534-3481	Keystone Electronics	Standoffs & Spacers RND .250X.750 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	5,953In Stock	$0.694 $0.552 $0.517 $0.475 View $0.473 $0.439 $0.355 $0.333 $0.332	Min.: 1 Mult.: 1
Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS LA4-440-1MD PEM 1: $3.28 885In Stock	Mfr. Part No. LA4-440-1MD Mouser Part No 153-LA4-440-1MD	PEM	Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS	Datasheet	885In Stock	$3.28 $3.03 $2.71 $2.54 View $2.46 $2.37 $2.28 $2.20 Quote	Min.: 1 Mult.: 1
Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW 0380-SS RAF Electronic Hardware 1: $3.11 1,452In Stock	Mfr. Part No. 0380-SS Mouser Part No 761-0380-SS	RAF Electronic Hardware	Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW	Datasheet	1,452In Stock	$3.11 $2.60 $2.39 $2.07 View $1.85 $1.78 $1.71	Min.: 1 Mult.: 1
Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL PF31-440-30CN PEM 1: $4.16 695In Stock	Mfr. Part No. PF31-440-30CN Mouser Part No 153-PF31-440-30CN	PEM	Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL	Datasheet	695In Stock	$4.16 $3.85 $3.44 $3.22 View $3.11 $3.01 $2.90 $2.80 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff 1635-440-SS RAF Electronic Hardware 1: $1.60 2,370In Stock 11Expected 25/12/2026	Mfr. Part No. 1635-440-SS Mouser Part No 761-1635-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff	Datasheet	2,370In Stock 11Expected 25/12/2026	$1.60 $1.20 $0.933 $0.88 View $0.827 $0.796 $0.774 $0.756 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L 4941 Keystone Electronics 1: $0.979 13,351In Stock	Mfr. Part No. 4941 Mouser Part No 534-4941	Keystone Electronics	Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L Learn More about Keystone Electronics keystone extreme temp standoffs	Datasheet	13,351In Stock	$0.979 $0.764 $0.688 $0.643 View $0.627 $0.574 $0.43 $0.413 $0.409	Min.: 1 Mult.: 1
Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF 4532-440-N RAF Electronic Hardware 1: $0.694 29,811In Stock	Mfr. Part No. 4532-440-N Mouser Part No 761-4532-440-N	RAF Electronic Hardware	Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	29,811In Stock	$0.694 $0.552 $0.469 $0.386 View $0.354 $0.352	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg 010440CD028 Essentra 1: $0.163 2,313In Stock	Mfr. Part No. 010440CD028 Mouser Part No 144-010440CD028	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	2,313In Stock	$0.163 $0.121 $0.109 $0.094 View $0.086 $0.08 $0.073 $0.069 $0.054	Min.: 1 Mult.: 1
Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg 010440T125 Essentra 1: $0.177 8,831In Stock	Mfr. Part No. 010440T125 Mouser Part No 144-010440T125	Essentra	Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg	Datasheet	8,831In Stock	$0.177 $0.129 $0.116 $0.099 View $0.091 $0.086 $0.079 $0.076	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT 3342-4-KIT 3M Electronic Solutions Division 1: $3.52 15In Stock	Mfr. Part No. 3342-4-KIT Mouser Part No 517-3342-4-KIT	3M Electronic Solutions Division	D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT	Datasheet	15In Stock	$3.52 $3.21 $3.05 $2.45 View $2.39 $2.35 $2.20 $2.15 $2.08	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" SS 4-40 2054T-440-SS RAF Electronic Hardware 1: $1.48 232In Stock	Mfr. Part No. 2054T-440-SS Mouser Part No 761-2054T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" SS 4-40	Datasheet	232In Stock	$1.48 $1.11 $0.865 $0.815 View $0.766 $0.737 $0.717 $0.70 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 19/32" SS 4-40 2058T-440-SS RAF Electronic Hardware 1: $2.42 1,050In Stock	Mfr. Part No. 2058T-440-SS Mouser Part No 761-2058T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 19/32" SS 4-40	Datasheet	1,050In Stock	$2.42 $1.80 $1.40 $1.33 View $1.25 $1.20 $1.17 $1.14 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF 2098-440-SS RAF Electronic Hardware 1: $1.31 108In Stock	Mfr. Part No. 2098-440-SS Mouser Part No 761-2098-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF	Datasheet	108In Stock	$1.31 $0.979 $0.794 $0.718 View $0.675 $0.65 $0.631 $0.628 $0.609	Min.: 1 Mult.: 1