4-40 – Mouser Singapore

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.
Standoffs & Spacers AL .500 M/F THRD 8401 Keystone Electronics 1: $0.952 10,435In Stock 25,000Expected 23/11/2026	Mfr. Part No. 8401 Mouser Part No 534-8401	Keystone Electronics	Standoffs & Spacers AL .500 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	10,435In Stock 25,000Expected 23/11/2026	$0.952 $0.747 $0.709 $0.634 View $0.533 $0.426 $0.375 $0.359	Min.: 1 Mult.: 1
Standoffs & Spacers AL .750 M/F THRD 8403 Keystone Electronics 1: $0.938 12,032In Stock	Mfr. Part No. 8403 Mouser Part No 534-8403	Keystone Electronics	Standoffs & Spacers AL .750 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	12,032In Stock	$0.938 $0.763 $0.724 $0.647 View $0.544 $0.442 $0.381 $0.364	Min.: 1 Mult.: 1
Standoffs & Spacers AL 1.000 M/F THRD 8405 Keystone Electronics 1: $1.17 7,401In Stock	Mfr. Part No. 8405 Mouser Part No 534-8405	Keystone Electronics	Standoffs & Spacers AL 1.000 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	7,401In Stock	$1.17 $1.12 $1.11 $0.619 View $0.48 $0.462	Min.: 1 Mult.: 1
Standoffs & Spacers 1/2" NYL 4-40 STDOFF 8440C Keystone Electronics 1: $1.43 4,820In Stock 8,500Expected 4/1/2027	Mfr. Part No. 8440C Mouser Part No 534-8440C	Keystone Electronics	Standoffs & Spacers 1/2" NYL 4-40 STDOFF Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	4,820In Stock 8,500Expected 4/1/2027	$1.43 $1.11 $1.08 $1.02 View $0.865 $0.696 $0.631 $0.586	Min.: 1 Mult.: 1
Standoffs & Spacers HEX 4-40 .75L NYLON 8440E Keystone Electronics 1: $1.75 14,123In Stock	Mfr. Part No. 8440E Mouser Part No 534-8440E	Keystone Electronics	Standoffs & Spacers HEX 4-40 .75L NYLON Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	14,123In Stock	$1.75 $1.35 $1.24 $1.22 View $1.18 $0.986 $0.868 $0.805 $0.762	Min.: 1 Mult.: 1
Screws & Fasteners 5/6 LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0818-SS RAF Electronic Hardware 1: $1.46 2,495In Stock	Mfr. Part No. 0818-SS Mouser Part No 761-0818-SS	RAF Electronic Hardware	Screws & Fasteners 5/6 LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	2,495In Stock	$1.46 $1.36 $1.17 $1.11 View $1.06 $1.01 $0.932	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 HEX M/F STDOFF 11/16" 4-40 SS 4508-440-SS RAF Electronic Hardware 1: $1.60 4,939In Stock	Mfr. Part No. 4508-440-SS Mouser Part No 761-4508-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 HEX M/F STDOFF 11/16" 4-40 SS	Datasheet	4,939In Stock	$1.60 $1.30 $1.10 $1.04 View $0.978 $0.93 $0.925 Quote	Min.: 1 Mult.: 1
Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1/4 in Lg 010440B025 Essentra 1: $0.136 2,972In Stock	Mfr. Part No. 010440B025 Mouser Part No 144-010440B025	Essentra	Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 1/4 in Lg	Datasheet	2,972In Stock	$0.136 $0.114 $0.097 $0.09 View $0.082 $0.076 $0.071 $0.067	Min.: 1 Mult.: 1
Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 9/32 in Lg 010440B028 Essentra 1: $0.136 920In Stock	Mfr. Part No. 010440B028 Mouser Part No 144-010440B028	Essentra	Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 9/32 in Lg	Datasheet	920In Stock	$0.136 $0.078 $0.075 $0.072 $0.068	Min.: 1 Mult.: 1
Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 5/8 in Lg 010440B062 Essentra 1: $0.136 1,101In Stock	Mfr. Part No. 010440B062 Mouser Part No 144-010440B062	Essentra	Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 5/8 in Lg	Datasheet	1,101In Stock	$0.136 $0.082 $0.068 $0.064 View $0.058 $0.054 $0.05	Min.: 1 Mult.: 1
Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 3/4 in Lg 010440B075 Essentra 1: $0.136 523In Stock	Mfr. Part No. 010440B075 Mouser Part No 144-010440B075	Essentra	Screws & Fasteners Binder Slotted Screw, #4-40 Thread, 3/4 in Lg	Datasheet	523In Stock	$0.136 $0.08 $0.068 $0.067 $0.063	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 1/4 Lg 010440CD025 Essentra 1: $0.136 6,027In Stock	Mfr. Part No. 010440CD025 Mouser Part No 144-010440CD025	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 1/4 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	6,027In Stock	$0.136 $0.118 $0.099 $0.092 View $0.084 $0.08 $0.079 $0.056	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 5/16 Lg 010440CD031 Essentra 1: $0.136 1,939In Stock	Mfr. Part No. 010440CD031 Mouser Part No 144-010440CD031	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 5/16 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	1,939In Stock	$0.136 $0.12 $0.101 $0.094 View $0.086 $0.08 $0.075 $0.071 $0.068	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 3/8 Lg 010440CD037 Essentra 1: $0.136 2,715In Stock	Mfr. Part No. 010440CD037 Mouser Part No 144-010440CD037	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 3/8 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	2,715In Stock	$0.136 $0.12 $0.101 $0.094 View $0.086 $0.08 $0.075 $0.071 $0.068	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 3/4 Lg 010440CD075 Essentra 1: $0.163 90In Stock	Mfr. Part No. 010440CD075 Mouser Part No 144-010440CD075	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 3/4 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	90In Stock	$0.163 $0.14 $0.118 $0.11 View $0.101 $0.095 $0.086 $0.084 $0.082	Min.: 1 Mult.: 1
Screws & Fasteners Fillister Slottted Screw, #4-40 Thread, 1/8 Lg 010440F018 Essentra 1: $0.136 1,637In Stock	Mfr. Part No. 010440F018 Mouser Part No 144-010440F018	Essentra	Screws & Fasteners Fillister Slottted Screw, #4-40 Thread, 1/8 Lg	Datasheet	1,637In Stock	$0.136 $0.113 $0.095 $0.088 View $0.08 $0.076 $0.071 $0.069 $0.065	Min.: 1 Mult.: 1
Screws & Fasteners Fillister Slottted Screw, #4-40 Thread, 3/8 Lg 010440F037 Essentra 1: $0.136 9,370In Stock	Mfr. Part No. 010440F037 Mouser Part No 144-010440F037	Essentra	Screws & Fasteners Fillister Slottted Screw, #4-40 Thread, 3/8 Lg	Datasheet	9,370In Stock	$0.136 $0.116 $0.098 $0.091 View $0.083 $0.078 $0.072 $0.068 $0.065	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 3/16 Lg 010440P018 Essentra 1: $0.136 961In Stock	Mfr. Part No. 010440P018 Mouser Part No 144-010440P018	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 3/16 Lg	Datasheet	961In Stock	$0.136 $0.113 $0.095 $0.088 View $0.08 $0.076 $0.075 $0.069 $0.065	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/4 Lg 010440P025 Essentra 1: $0.136 6,110In Stock	Mfr. Part No. 010440P025 Mouser Part No 144-010440P025	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/4 Lg	Datasheet	6,110In Stock	$0.136 $0.114 $0.097 $0.09 View $0.082 $0.076 $0.071 $0.067	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 5/16 Lg 010440P031 Essentra 1: $0.136 1,963In Stock	Mfr. Part No. 010440P031 Mouser Part No 144-010440P031	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 5/16 Lg	Datasheet	1,963In Stock	$0.136 $0.116 $0.097 $0.091 View $0.083 $0.078 $0.076 $0.068 $0.065	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, 4-40 Thread, 3/8 Lg 010440P037 Essentra 1: $0.136 1,252In Stock	Mfr. Part No. 010440P037 Mouser Part No 144-010440P037	Essentra	Screws & Fasteners Pan Slotted Screw, 4-40 Thread, 3/8 Lg	Datasheet	1,252In Stock	$0.136 $0.116 $0.098 $0.091 View $0.083 $0.078 $0.072 $0.068 $0.065	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/2 Lg 010440P050 Essentra 1: $0.136 2,757In Stock	Mfr. Part No. 010440P050 Mouser Part No 144-010440P050	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/2 Lg	Datasheet	2,757In Stock	$0.136 $0.117 $0.098 $0.091 View $0.084 $0.079 $0.072 $0.068 $0.067	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/2 Lg 010440P050B Essentra 1: $0.177 1,000In Stock New Product	Mfr. Part No. 010440P050B Mouser Part No 144-010440P050B New Product	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1/2 Lg	Datasheet	1,000In Stock	$0.177 $0.131 $0.117 $0.105 View $0.095 $0.09 $0.08 $0.075 $0.073	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1 3/8 Lg 010440P137 Essentra 1: $0.15 1,028In Stock	Mfr. Part No. 010440P137 Mouser Part No 144-010440P137	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1 3/8 Lg	Datasheet	1,028In Stock	$0.15 $0.129 $0.109 $0.102 View $0.092 $0.087 $0.082 $0.078 $0.075	Min.: 1 Mult.: 1
Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1 3/8 Lg 010440P137B Essentra 1: $0.163 1,000In Stock New Product	Mfr. Part No. 010440P137B Mouser Part No 144-010440P137B New Product	Essentra	Screws & Fasteners Pan Slotted Screw, #4-40 Thread, 1 3/8 Lg	Datasheet	1,000In Stock	$0.163 $0.141 $0.118 $0.112 View $0.102 $0.095 $0.088 $0.086 $0.083	Min.: 1 Mult.: 1