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4-40 Hardware

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners Hex Jack Screw 0.625 w/hdwr SS 4-40 7257 Keystone Electronics 1: $2.71 3,344In Stock	Mfr. Part No. 7257 Mouser Part No 534-7257	Keystone Electronics	Screws & Fasteners Hex Jack Screw 0.625 w/hdwr SS 4-40 Learn More about Keystone Electronics keystone 187 jack screws	Datasheet	3,344In Stock	$2.71 $2.07 $1.89 $1.67 View $1.39 $1.31 $1.22 $1.15	Min.: 1 Mult.: 1
Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS 7261 Keystone Electronics 1: $0.50 21,258In Stock 20,700Expected 23/11/2026	Mfr. Part No. 7261 Mouser Part No 534-7261	Keystone Electronics	Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS Learn More about Keystone Electronics keystone 187 jack screws	Datasheet	21,258In Stock 20,700Expected 23/11/2026	$0.50 $0.384 $0.344 $0.291 View $0.25 $0.225 $0.206 $0.19	Min.: 1 Mult.: 1
Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS 7262 Keystone Electronics 1: $1.24 14,695In Stock 1,850Expected 16/11/2026	Mfr. Part No. 7262 Mouser Part No 534-7262	Keystone Electronics	Screws & Fasteners JACK SCREW WITH NYL PATCH STAINLESS Learn More about Keystone Electronics keystone 187 jack screws	Datasheet	14,695In Stock 1,850Expected 16/11/2026	$1.24 $0.947 $0.871 $0.853 View $0.712 $0.644	Min.: 1 Mult.: 1
Screws & Fasteners JACK SCREW WITH NYL PATCH STEEL 7264 Keystone Electronics 1: $0.54 13,227In Stock	Mfr. Part No. 7264 Mouser Part No 534-7264	Keystone Electronics	Screws & Fasteners JACK SCREW WITH NYL PATCH STEEL Learn More about Keystone Electronics keystone 187 jack screws	Datasheet	13,227In Stock	$0.54 $0.409 $0.366 $0.31 View $0.257 $0.246 $0.22 $0.20	Min.: 1 Mult.: 1
Standoffs & Spacers AL .625 M/F THRD 8402 Keystone Electronics 1: $0.69 7,099In Stock	Mfr. Part No. 8402 Mouser Part No 534-8402	Keystone Electronics	Standoffs & Spacers AL .625 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	7,099In Stock	$0.69 $0.593 $0.562 $0.503 View $0.423 $0.339 $0.294 $0.276	Min.: 1 Mult.: 1
Standoffs & Spacers AL 1.125 M/F THRD 8406 Keystone Electronics 1: $1.36 6,520In Stock	Mfr. Part No. 8406 Mouser Part No 534-8406	Keystone Electronics	Standoffs & Spacers AL 1.125 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	6,520In Stock	$1.36 $1.06 $0.998 $0.972 View $0.954 $0.873 $0.62 $0.562 $0.55	Min.: 1 Mult.: 1
Standoffs & Spacers SS .250 M/F THRD 8712 Keystone Electronics 1: $1.12 7,774In Stock	Mfr. Part No. 8712 Mouser Part No 534-8712	Keystone Electronics	Standoffs & Spacers SS .250 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	7,774In Stock	$1.12 $0.959 $0.919 $0.907 View $0.892 $0.767 $0.641 $0.544 $0.499	Min.: 1 Mult.: 1
Standoffs & Spacers NB .250 M/F THRD 8713 Keystone Electronics 1: $0.73 19,632In Stock	Mfr. Part No. 8713 Mouser Part No 534-8713	Keystone Electronics	Standoffs & Spacers NB .250 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	19,632In Stock	$0.73 $0.588 $0.573 $0.533 View $0.449 $0.336 $0.31 $0.28	Min.: 1 Mult.: 1
Standoffs & Spacers AL .250 M/F THRD 8714 Keystone Electronics 1: $0.45 21,538In Stock	Mfr. Part No. 8714 Mouser Part No 534-8714	Keystone Electronics	Standoffs & Spacers AL .250 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	21,538In Stock	$0.45 $0.418 $0.39 $0.318 View $0.273 $0.227 $0.207 $0.185	Min.: 1 Mult.: 1
Screws & Fasteners 1/4 4-40 Nylon Hex M SCREW NUT 9605 Keystone Electronics 1: $0.15 40,612In Stock	Mfr. Part No. 9605 Mouser Part No 534-9605	Keystone Electronics	Screws & Fasteners 1/4 4-40 Nylon Hex M SCREW NUT	Datasheet	40,612In Stock	$0.15 $0.111 $0.099 $0.083 View $0.069 $0.064 $0.06 $0.059	Min.: 1 Mult.: 1
Screws & Fasteners 4-40 X 1/4 SCREW 9900 Keystone Electronics 1: $0.12 113,513In Stock 106,400Expected 10/12/2026	Mfr. Part No. 9900 Mouser Part No 534-9900	Keystone Electronics	Screws & Fasteners 4-40 X 1/4 SCREW	Datasheet	113,513In Stock 106,400Expected 10/12/2026	$0.12 $0.082 $0.069 $0.067 View $0.055 $0.05 $0.046 $0.042	Min.: 1 Mult.: 1
Screws & Fasteners .375 4-40 MOUNT SCR 9901 Keystone Electronics 1: $0.17 36,506In Stock 10,700Expected 11/01/2027	Mfr. Part No. 9901 Mouser Part No 534-9901	Keystone Electronics	Screws & Fasteners .375 4-40 MOUNT SCR	Datasheet	36,506In Stock 10,700Expected 11/01/2027	$0.17 $0.134 $0.119 $0.101 View $0.083 $0.074 $0.066 $0.063	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 LNGTH 1/4 DIA 4-40 THRD CAP SCREW 0367-SS RAF Electronic Hardware 1: $3.46 1,329In Stock	Mfr. Part No. 0367-SS Mouser Part No 761-0367-SS	RAF Electronic Hardware	Screws & Fasteners 3/8 LNGTH 1/4 DIA 4-40 THRD CAP SCREW	Datasheet	1,329In Stock	$3.46 $2.99 $2.68 $2.47 View $2.31 $1.93 $1.84 $1.65 $1.59	Min.: 1 Mult.: 1
Screws & Fasteners 3//8 LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0819-SS RAF Electronic Hardware 1: $1.25 1,590In Stock	Mfr. Part No. 0819-SS Mouser Part No 761-0819-SS	RAF Electronic Hardware	Screws & Fasteners 3//8 LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	1,590In Stock	$1.25 $1.16 $1.00 $0.951 View $0.885 $0.841 $0.801	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 LNGTH 4-40 STD FML HEX STANDOFF 2053-440-SS RAF Electronic Hardware 1: $0.88 4,492In Stock	Mfr. Part No. 2053-440-SS Mouser Part No 761-2053-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 LNGTH 4-40 STD FML HEX STANDOFF	Datasheet	4,492In Stock	$0.88 $0.709 $0.563 $0.53 View $0.529 $0.464 $0.45	Min.: 1 Mult.: 1
Standoffs & Spacers 1/2 LGNTH 4-40 STD FML HEX STANDOFF 2057-440-AL-7 RAF Electronic Hardware 1: $0.30 21,549In Stock	Mfr. Part No. 2057-440-AL-7 Mouser Part No 761-2057-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/2 LGNTH 4-40 STD FML HEX STANDOFF	Datasheet	21,549In Stock	$0.30 $0.235 $0.189 $0.17 View $0.167 $0.162 $0.161 $0.142 $0.138	Min.: 1 Mult.: 1
Standoffs & Spacers 5/8 LGNTH 4-40 STD FML HEX STANDOFF 2106-440-AL-7 RAF Electronic Hardware 1: $0.84 9,980In Stock	Mfr. Part No. 2106-440-AL-7 Mouser Part No 761-2106-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 5/8 LGNTH 4-40 STD FML HEX STANDOFF	Datasheet	9,980In Stock	$0.84 $0.811 $0.784 $0.23 $0.224	Min.: 1 Mult.: 1
Standoffs & Spacers STEEL 4-40 3/16in HEX ML/FEM Standoff 4500-440-S-12 RAF Electronic Hardware 1: $0.86 4,907In Stock	Mfr. Part No. 4500-440-S-12 Mouser Part No 761-4500-440-S-12	RAF Electronic Hardware	Standoffs & Spacers STEEL 4-40 3/16in HEX ML/FEM Standoff	Datasheet	4,907In Stock	$0.86 $0.723 $0.581 $0.557 View $0.542 $0.532 $0.507 $0.504 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 LNGTH 4-40 ML/FML HEX STANDOFF 4500-440-SS RAF Electronic Hardware 1: $1.06 4,826In Stock	Mfr. Part No. 4500-440-SS Mouser Part No 761-4500-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	4,826In Stock	$1.06 $0.791 $0.615 $0.58 View $0.545 $0.525 $0.51 $0.507 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex X 1/4 Length Hex Male-Female Standoff 4501-440-SS-20 RAF Electronic Hardware 1: $1.16 2,488In Stock	Mfr. Part No. 4501-440-SS-20 Mouser Part No 761-4501-440-SS-20	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex X 1/4 Length Hex Male-Female Standoff	Datasheet	2,488In Stock	$1.16 $0.933 $0.807 $0.779 $0.742	Min.: 1 Mult.: 1
Standoffs & Spacers 5/16 LNGTH 4-40 ML/FML HEX STANDOFF 4502-440-SS RAF Electronic Hardware 1: $0.96 3,359In Stock	Mfr. Part No. 4502-440-SS Mouser Part No 761-4502-440-SS	RAF Electronic Hardware	Standoffs & Spacers 5/16 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	3,359In Stock	$0.96 $0.77 $0.642 $0.64 $0.61	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex X 1/2 Length Hex Male-Female Standoff 4505-440-SS-20 RAF Electronic Hardware 1: $1.28 5,574In Stock	Mfr. Part No. 4505-440-SS-20 Mouser Part No 761-4505-440-SS-20	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex X 1/2 Length Hex Male-Female Standoff	Datasheet	5,574In Stock	$1.28 $1.14 $0.927 $0.881 View $0.841 $0.737 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex X 1/4 Length Hex Male-Female Standoff 4530-440-AL RAF Electronic Hardware 1: $0.30 12,828In Stock	Mfr. Part No. 4530-440-AL Mouser Part No 761-4530-440-AL	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex X 1/4 Length Hex Male-Female Standoff	Datasheet	12,828In Stock	$0.30 $0.24 $0.207 $0.181 View $0.175 $0.172 $0.17 $0.163 $0.159	Min.: 1 Mult.: 1
Screws & Fasteners 3/16 Hex X 3/4 TL X 4-40 Thd Hex Jack Screw 4750-10 RAF Electronic Hardware 1: $2.65 872In Stock 3,540Expected 01/03/2027	Mfr. Part No. 4750-10 Mouser Part No 761-4750-10	RAF Electronic Hardware	Screws & Fasteners 3/16 Hex X 3/4 TL X 4-40 Thd Hex Jack Screw	Datasheet	872In Stock 3,540Expected 01/03/2027	$2.65 $2.24 $2.00 $1.84 View $1.49 $1.42 $1.35 $1.32	Min.: 1 Mult.: 1
Screws & Fasteners 1/4 X 3/16 4-40 HEX JACK SCREW 4750-2 RAF Electronic Hardware 1: $0.50 9,071In Stock	Mfr. Part No. 4750-2 Mouser Part No 761-4750-2	RAF Electronic Hardware	Screws & Fasteners 1/4 X 3/16 4-40 HEX JACK SCREW	Datasheet	9,071In Stock	$0.50 $0.424 $0.378 $0.359 View $0.337 $0.321 $0.305 $0.286	Min.: 1 Mult.: 1

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