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.
Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 1 3/4 Lg 020440A175 Essentra 1: £0.113 970In Stock	Mfr. Part No. 020440A175 Mouser Part No 144-020440A175	Essentra	Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 1 3/4 Lg	Datasheet	970In Stock	£0.113 £0.083 £0.074 £0.065 View £0.058 £0.055 £0.045 £0.043	Min.: 1 Mult.: 1
Screws & Fasteners Slotted Thumb Screw, #4-40 Thread, 7/8 Lg 090440087TEG Essentra 1: £0.142 680In Stock	Mfr. Part No. 090440087TEG Mouser Part No 144-090440087TEG	Essentra	Screws & Fasteners Slotted Thumb Screw, #4-40 Thread, 7/8 Lg	Datasheet	680In Stock	£0.142 £0.109 £0.098 £0.085 View £0.078 £0.072 £0.058 £0.057 £0.056	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 1/4in 1/4in Round FEM Standoff 1680-440-SS RAF Electronic Hardware 1: £0.943 241In Stock	Mfr. Part No. 1680-440-SS Mouser Part No 761-1680-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 1/4in 1/4in Round FEM Standoff	Datasheet	241In Stock	£0.943 £0.705 £0.643 £0.594 View £0.558 £0.538 £0.522 £0.51 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 15/16in HEX FEM Standoff 2064-440-SS RAF Electronic Hardware 1: £6.32 3In Stock	Mfr. Part No. 2064-440-SS Mouser Part No 761-2064-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 15/16in HEX FEM Standoff	Datasheet	3In Stock	£6.32 £5.53 £5.41 £5.28 View £5.03 £4.79	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 11/32" SS 4-40 2101T-440-SS RAF Electronic Hardware 1: £1.13 20In Stock	Mfr. Part No. 2101T-440-SS Mouser Part No 761-2101T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 11/32" SS 4-40	Datasheet	20In Stock	£1.13 £0.843 £0.754 £0.704 View £0.574 £0.54 £0.52 Quote	Min.: 1 Mult.: 1
Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.226" Installed Length, Brass 440X226C RAF Electronic Hardware 1: £0.434 724In Stock	Mfr. Part No. 440X226C Mouser Part No 761-440X226C	RAF Electronic Hardware	Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.226" Installed Length, Brass	Datasheet	724In Stock	£0.434 £0.328 £0.298 £0.261 View £0.24 £0.227 £0.215 £0.209 £0.201	Min.: 1 Mult.: 1
Standoffs & Spacers 9/16 LNGTH 4-40 ML/FML HEX STANDOFF 4535-440-AL-7 RAF Electronic Hardware 1: £0.538 400In Stock	Mfr. Part No. 4535-440-AL-7 Mouser Part No 761-4535-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 9/16 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	400In Stock	£0.538 £0.392 £0.313 £0.282 View £0.275 £0.268 £0.244 £0.235 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 7/8 LNGTH 4-40 ML/FML HEX STANDOFF 4540-440-N RAF Electronic Hardware 1: £1.07 345In Stock	Mfr. Part No. 4540-440-N Mouser Part No 761-4540-440-N	RAF Electronic Hardware	Standoffs & Spacers 7/8 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	345In Stock	£1.07 £0.369 £0.362 £0.352 View £0.32 £0.308 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 1-1/16" 4-40 SS 4543-440-SS RAF Electronic Hardware 1: £1.75 3In Stock	Mfr. Part No. 4543-440-SS Mouser Part No 761-4543-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 1-1/16" 4-40 SS	Datasheet	3In Stock	£1.75 £1.62 £1.44 £1.36 View £1.31 £1.27 £1.25 Quote	Min.: 1 Mult.: 1
Screws & Fasteners Hex Jack Screw STEEL 4-40 5/16in 4750-3MOD-12 RAF Electronic Hardware 1: £0.969 547In Stock	Mfr. Part No. 4750-3MOD-12 Mouser Part No 761-4750-3MOD-12	RAF Electronic Hardware	Screws & Fasteners Hex Jack Screw STEEL 4-40 5/16in		547In Stock	£0.969 £0.762 £0.696 £0.615 View £0.571 £0.542 £0.516 £0.498 £0.479	Min.: 1 Mult.: 1
Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 9/32 Lg 020440A028 Essentra 1: £0.09 647In Stock	Mfr. Part No. 020440A028 Mouser Part No 144-020440A028	Essentra	Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 9/32 Lg	Datasheet	647In Stock	£0.09 £0.067 £0.06 £0.052 View £0.047 £0.045 £0.041 £0.038 £0.03	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2615 APM HEXSEAL 1: £0.811 64In Stock 1,000Expected 30/10/2026	Mfr. Part No. SFR4-40 x 3/8 2615 Mouser Part No 608-SFR4-40X382615	APM HEXSEAL	Screws & Fasteners		64In Stock 1,000Expected 30/10/2026	£0.811 £0.636 £0.581 £0.513 View £0.476 £0.452 £0.43 £0.416 £0.40	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 15/32" Alum 4-40 2103T-440-AL-7 RAF Electronic Hardware 1: £0.499 600In Stock	Mfr. Part No. 2103T-440-AL-7 Mouser Part No 761-2103T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 15/32" Alum 4-40	Datasheet	600In Stock	£0.499 £0.368 £0.293 £0.264 View £0.258 £0.251 £0.229 £0.221 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 LNGTH 4-40 ML/FML HEX STANDOFF 4530-440-N RAF Electronic Hardware 1: £0.792 45In Stock	Mfr. Part No. 4530-440-N Mouser Part No 761-4530-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	45In Stock	£0.792 £0.706 £0.32 £0.288 View £0.283 £0.274 £0.25 £0.24 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 AL CLR 4531T-440-AL-7 RAF Electronic Hardware 1: £0.899 63In Stock	Mfr. Part No. 4531T-440-AL-7 Mouser Part No 761-4531T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 AL CLR	Datasheet	63In Stock	£0.899 £0.673 £0.524 £0.494 View £0.464 £0.447 £0.435 £0.424 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 5/8in 3/16in Round FEM Standoff 1639-440-AL RAF Electronic Hardware 1: £0.575 629In Stock	Mfr. Part No. 1639-440-AL Mouser Part No 761-1639-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 5/8in 3/16in Round FEM Standoff	Datasheet	629In Stock	£0.575 £0.423 £0.338 £0.304 View £0.298 £0.288 £0.263 £0.254 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex X 7/16 Length Hex Standoff 2056-440-B-5 RAF Electronic Hardware 1: £2.23 5In Stock	Mfr. Part No. 2056-440-B-5 Mouser Part No 761-2056-440-B-5	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex X 7/16 Length Hex Standoff	Datasheet	5In Stock	£2.23 £2.03 £1.84 £1.73 View £1.69 £1.67 £1.66 £1.65	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" NYL 4-40 2099T-440-N RAF Electronic Hardware 1: £1.43 90In Stock	Mfr. Part No. 2099T-440-N Mouser Part No 761-2099T-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" NYL 4-40	Datasheet	90In Stock	£1.43 £1.07 £0.995 £0.908 View £0.832 £0.794 £0.776 Quote	Min.: 1 Mult.: 1
Screws & Fasteners Round Slotted Screw, #4-40 Thread, 5/16 Lg 010440R031 Essentra 1: £0.105 700In Stock	Mfr. Part No. 010440R031 Mouser Part No 144-010440R031	Essentra	Screws & Fasteners Round Slotted Screw, #4-40 Thread, 5/16 Lg	Datasheet	700In Stock	£0.105 £0.079 £0.072 £0.062 View £0.057 £0.052 £0.044 £0.041	Min.: 1 Mult.: 1
Mounting Fixings POST MOLD INSERT, BRASS PPB-440-1 SI 1: £0.30 8In Stock 15,386On Order	Mfr. Part No. PPB-440-1 Mouser Part No 153-PPB-440-1	SI	Mounting Fixings POST MOLD INSERT, BRASS Learn More about SI press in inserts	Datasheet	8In Stock 15,386On Order	£0.30 £0.212 £0.17 £0.161 View £0.136 £0.13 £0.127 £0.123	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 1/2in 3/16in Round FEM Standoff 1637-440-SS RAF Electronic Hardware 1: £2.10 27In Stock	Mfr. Part No. 1637-440-SS Mouser Part No 761-1637-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 1/2in 3/16in Round FEM Standoff	Datasheet	27In Stock	£2.10 £1.55 £1.20 £1.13 View £1.07 £1.04 £1.02 £1.01 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 RD FM S/O 5/8 4-40 NYLON 1639-440-N RAF Electronic Hardware 1: £1.32 31In Stock	Mfr. Part No. 1639-440-N Mouser Part No 761-1639-440-N	RAF Electronic Hardware	Standoffs & Spacers 3/16 RD FM S/O 5/8 4-40 NYLON	Datasheet	31In Stock	£1.32 £0.986 £0.77 £0.726 View £0.682 £0.656 £0.638 £0.624 Quote	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg 010440CD028 Essentra 1: £0.09 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	£0.09 £0.067 £0.06 £0.052 View £0.047 £0.045 £0.04 £0.038 £0.03	Min.: 1 Mult.: 1
Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg 010440T125 Essentra 1: £0.098 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	£0.098 £0.072 £0.064 £0.055 View £0.051 £0.047 £0.044 £0.042	Min.: 1 Mult.: 1
D-Sub Tools & Hardware I/O DSUB CONNECTOR JACK SCREW KIT 3342-4-KIT 3M Electronic Solutions Division 1: £1.95 5In 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	5In Stock	£1.95 £1.77 £1.68 £1.35 View £1.32 £1.30 £1.21 £1.19 £1.15	Min.: 1 Mult.: 1