4-40 – Mouser United Kingdom

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Standoffs & Spacers AL 1.250 M/F THRD 8407 Keystone Electronics 1: £1.07 747In Stock	Mfr. Part No. 8407 Mouser Part No 534-8407	Keystone Electronics	Standoffs & Spacers AL 1.250 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	747In Stock	£1.07 £0.841 £0.805 £0.796 View £0.795 £0.706 £0.484 £0.445	Min.: 1 Mult.: 1
Standoffs & Spacers AL 1.375 M/F THRD 8408 Keystone Electronics 1: £1.34 788In Stock	Mfr. Part No. 8408 Mouser Part No 534-8408	Keystone Electronics	Standoffs & Spacers AL 1.375 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	788In Stock	£1.34 £1.07 £1.02 £1.00 View £0.89 £0.619 £0.565 £0.531	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4" NYL 4-40 STDOFF 8440B Keystone Electronics 1: £0.917 217In Stock	Mfr. Part No. 8440B Mouser Part No 534-8440B	Keystone Electronics	Standoffs & Spacers 1/4" NYL 4-40 STDOFF Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	217In Stock	£0.917 £0.71 £0.692 £0.653 View £0.652 £0.588 £0.413 £0.374 £0.36	Min.: 1 Mult.: 1
Standoffs & Spacers .250 X .625 4-40 HEX STANDOFF F/R NYLON 8440D Keystone Electronics 1: £1.10 4In Stock	Mfr. Part No. 8440D Mouser Part No 534-8440D	Keystone Electronics	Standoffs & Spacers .250 X .625 4-40 HEX STANDOFF F/R NYLON Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	4In Stock	£1.10 £0.847 £0.78 £0.763 View £0.637 £0.522 £0.462 £0.424	Min.: 1 Mult.: 1
Standoffs & Spacers 7/8" NYL 4-40 STDOFF HEX 8440F Keystone Electronics 1: £1.46 53In Stock	Mfr. Part No. 8440F Mouser Part No 534-8440F	Keystone Electronics	Standoffs & Spacers 7/8" NYL 4-40 STDOFF HEX Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	53In Stock	£1.46 £1.13 £1.03 £0.873 View £0.731 £0.677 £0.642	Min.: 1 Mult.: 1
Screws & Fasteners .375 4-40 CAP SCW SS 8700 Keystone Electronics 1: £3.28 20In Stock	Mfr. Part No. 8700 Mouser Part No 534-8700	Keystone Electronics	Screws & Fasteners .375 4-40 CAP SCW SS	Datasheet	20In Stock	£3.28 £2.49 £2.29 £2.00 View £1.86 £1.75 £1.70 £1.69	Min.: 1 Mult.: 1
Screws & Fasteners .171 4-40 CAP SCW SS 8706 Keystone Electronics 1: £2.10 948In Stock	Mfr. Part No. 8706 Mouser Part No 534-8706	Keystone Electronics	Screws & Fasteners .171 4-40 CAP SCW SS	Datasheet	948In Stock	£2.10 £1.63 £1.51 £1.50 View £1.42 £1.12 £1.04 £1.01	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS .600 M/F THRD 8799 Keystone Electronics 1: £0.882 1,328In Stock	Mfr. Part No. 8799 Mouser Part No 534-8799	Keystone Electronics	Standoffs & Spacers BRASS .600 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	1,328In Stock	£0.882 £0.677 £0.642 £0.608 View £0.557 £0.397 £0.361 £0.334	Min.: 1 Mult.: 1
Screws & Fasteners 1/4 4-40 NYLON PAN 9327 Keystone Electronics 1: £0.111 14,489In Stock	Mfr. Part No. 9327 Mouser Part No 534-9327	Keystone Electronics	Screws & Fasteners 1/4 4-40 NYLON PAN	Datasheet	14,489In Stock	£0.111 £0.094 £0.08 £0.066 View £0.055 £0.048 £0.044 £0.041	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 4-40 NYLON PAN 9328 Keystone Electronics 1: £0.137 2,730In Stock	Mfr. Part No. 9328 Mouser Part No 534-9328	Keystone Electronics	Screws & Fasteners 3/8 4-40 NYLON PAN	Datasheet	2,730In Stock	£0.137 £0.107 £0.096 £0.08 View £0.066 £0.058 £0.053 £0.05	Min.: 1 Mult.: 1
Screws & Fasteners 5/8 4-40 NYLON PAN 9330 Keystone Electronics 1: £0.146 1,897In Stock	Mfr. Part No. 9330 Mouser Part No 534-9330	Keystone Electronics	Screws & Fasteners 5/8 4-40 NYLON PAN	Datasheet	1,897In Stock	£0.146 £0.109 £0.098 £0.082 View £0.068 £0.063 £0.057 £0.052	Min.: 1 Mult.: 1
Screws & Fasteners 3/4 4-40 NYLON PAN 9331 Keystone Electronics 1: £0.146 640In Stock	Mfr. Part No. 9331 Mouser Part No 534-9331	Keystone Electronics	Screws & Fasteners 3/4 4-40 NYLON PAN	Datasheet	640In Stock	£0.146 £0.109 £0.098 £0.083 View £0.068 £0.064 £0.057 £0.052	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 4-40 NYLON BND 9428 Keystone Electronics 1: £0.146 1,709In Stock	Mfr. Part No. 9428 Mouser Part No 534-9428	Keystone Electronics	Screws & Fasteners 3/8 4-40 NYLON BND	Datasheet	1,709In Stock	£0.146 £0.121 £0.104 £0.086 View £0.071 £0.062 £0.057 £0.045	Min.: 1 Mult.: 1
Screws & Fasteners 1/2 4-40 NYLON BND 9429 Keystone Electronics 1: £0.146 501In Stock	Mfr. Part No. 9429 Mouser Part No 534-9429	Keystone Electronics	Screws & Fasteners 1/2 4-40 NYLON BND	Datasheet	501In Stock	£0.146 £0.108 £0.097 £0.081 View £0.067 £0.063 £0.057 £0.052	Min.: 1 Mult.: 1
Screws & Fasteners 5/8 4-40 NYLON BND 9430 Keystone Electronics 1: £0.146 721In Stock	Mfr. Part No. 9430 Mouser Part No 534-9430	Keystone Electronics	Screws & Fasteners 5/8 4-40 NYLON BND	Datasheet	721In Stock	£0.146 £0.109 £0.098 £0.082 View £0.068 £0.063 £0.057 £0.052	Min.: 1 Mult.: 1
Screws & Fasteners 3/4 4-40 STEEL FLAT 9504 Keystone Electronics 1: £0.205 935In Stock	Mfr. Part No. 9504 Mouser Part No 534-9504	Keystone Electronics	Screws & Fasteners 3/4 4-40 STEEL FLAT	Datasheet	935In Stock	£0.205 £0.159 £0.142 £0.12 View £0.10 £0.089 £0.079 £0.075	Min.: 1 Mult.: 1
Screws & Fasteners 1/4 4-40 NYLON FLAT 9527 Keystone Electronics 1: £0.137 371In Stock	Mfr. Part No. 9527 Mouser Part No 534-9527	Keystone Electronics	Screws & Fasteners 1/4 4-40 NYLON FLAT	Datasheet	371In Stock	£0.137 £0.102 £0.091 £0.076 View £0.064 £0.058 £0.052 £0.049	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 4-40 NYLON FLAT 9528 Keystone Electronics 1: £0.137 6,944In Stock	Mfr. Part No. 9528 Mouser Part No 534-9528	Keystone Electronics	Screws & Fasteners 3/8 4-40 NYLON FLAT	Datasheet	6,944In Stock	£0.137 £0.107 £0.096 £0.08 View £0.066 £0.058 £0.055	Min.: 1 Mult.: 1
Screws & Fasteners 1/2 4-40 NYLON FLAT 9529 Keystone Electronics 1: £0.146 1,086In Stock	Mfr. Part No. 9529 Mouser Part No 534-9529	Keystone Electronics	Screws & Fasteners 1/2 4-40 NYLON FLAT	Datasheet	1,086In Stock	£0.146 £0.108 £0.097 £0.081 View £0.067 £0.063 £0.057 £0.052	Min.: 1 Mult.: 1
Screws & Fasteners 1" 4-40 NYLON FLAT 9532 Keystone Electronics 1: £0.154 791In Stock	Mfr. Part No. 9532 Mouser Part No 534-9532	Keystone Electronics	Screws & Fasteners 1" 4-40 NYLON FLAT	Datasheet	791In Stock	£0.154 £0.132 £0.113 £0.093 View £0.077 £0.067 £0.061 £0.049	Min.: 1 Mult.: 1
Standoffs & Spacers PC 104 MOUNTING KIT ALUMINUM PC104-AL Keystone Electronics 1: £11.71 24In Stock	Mfr. Part No. PC104-AL Mouser Part No 534-PC104-AL	Keystone Electronics	Standoffs & Spacers PC 104 MOUNTING KIT ALUMINUM	Datasheet	24In Stock	£11.71 £9.20 £8.37 £8.00 View £7.95 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers PC 104 MOUNTING KIT STAINLESS STL PC104-SS Keystone Electronics 1: £10.08 2In Stock	Mfr. Part No. PC104-SS Mouser Part No 534-PC104-SS	Keystone Electronics	Standoffs & Spacers PC 104 MOUNTING KIT STAINLESS STL	Datasheet	2In Stock	£10.08 £7.92 £7.16 £7.05 £7.01	Min.: 1 Mult.: 1
Screws & Fasteners 21/32 LNGTH 5/16 DIA 4-40 THRD CAP SCREW 0100-SS RAF Electronic Hardware 1: £1.89 69In Stock	Mfr. Part No. 0100-SS Mouser Part No 761-0100-SS	RAF Electronic Hardware	Screws & Fasteners 21/32 LNGTH 5/16 DIA 4-40 THRD CAP SCREW	Datasheet	69In Stock	£1.89 £1.76 £1.54 £1.45 View £1.36 £1.28 £1.23 £1.22 £1.21	Min.: 1 Mult.: 1
Screws & Fasteners 7/16 LNGTH 1/4 DIA 4-40 THRD CAP SCREW 0368-SS RAF Electronic Hardware 1: £1.69 8In Stock 160Expected 08/03/2027	Mfr. Part No. 0368-SS Mouser Part No 761-0368-SS	RAF Electronic Hardware	Screws & Fasteners 7/16 LNGTH 1/4 DIA 4-40 THRD CAP SCREW	Datasheet	8In Stock 160Expected 08/03/2027	£1.69 £1.55 £1.38 £1.27 View £1.18 £1.13 £1.07 £1.03 £0.995	Min.: 1 Mult.: 1
Screws & Fasteners 9/16 LNGTH 1/4 DIA 4-40 THRD CAP SCREW 0370-SS RAF Electronic Hardware 1: £3.01 5In Stock	Mfr. Part No. 0370-SS Mouser Part No 761-0370-SS	RAF Electronic Hardware	Screws & Fasteners 9/16 LNGTH 1/4 DIA 4-40 THRD CAP SCREW	Datasheet	5In Stock	£3.01 £2.61 £2.36 £1.93 View £1.90 £1.89	Min.: 1 Mult.: 1