4-40 – Mouser United Kingdom

.hide-partial { max-height: none; } .show-more { display: none; }

Results: 3,057

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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners 4-40X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R4-40X5/8 2701 APM HEXSEAL 1: £0.458 371In Stock	Mfr. Part No. R4-40X5/8 2701 Mouser Part No 608-R4-40X5/8	APM HEXSEAL	Screws & Fasteners 4-40X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	371In Stock	£0.458 £0.388 £0.363 £0.342 View £0.317 £0.30 £0.285	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R4-40X7/16 2701 APM HEXSEAL 1: £0.45 335In Stock 850Expected 04/11/2026	Mfr. Part No. R4-40X7/16 2701 Mouser Part No 608-R4-40X7/16	APM HEXSEAL	Screws & Fasteners 4-40X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	335In Stock 850Expected 04/11/2026	£0.45 £0.378 £0.354 £0.333 View £0.308 £0.292 £0.276	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R4-40X7/8 2701 APM HEXSEAL 1: £0.496 293In Stock	Mfr. Part No. R4-40X7/8 2701 Mouser Part No 608-R4-40X7/8	APM HEXSEAL	Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	293In Stock	£0.496 £0.421 £0.394 £0.37 View £0.343 £0.325 £0.309	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR SFR4-40 X 1/4 2701 APM HEXSEAL 1: £0.526 1,745In Stock	Mfr. Part No. SFR4-40 X 1/4 2701 Mouser Part No 608-SFR4-40X1/42701	APM HEXSEAL	Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR		1,745In Stock	£0.526 £0.405 £0.369 £0.325 View £0.301 £0.285	Min.: 1 Mult.: 1
Screws & Fasteners 1/2 LNGTH 1/4 DIA 4-40 THRD CAP SCREW 0369-SS RAF Electronic Hardware 1: £1.27 172In Stock	Mfr. Part No. 0369-SS Mouser Part No 761-0369-SS	RAF Electronic Hardware	Screws & Fasteners 1/2 LNGTH 1/4 DIA 4-40 THRD CAP SCREW	Datasheet	172In Stock	£1.27 £1.19 £1.03 £0.969 View £0.908 £0.864 £0.825	Min.: 1 Mult.: 1
Screws & Fasteners 5/8 LNGTH 1/4 DIA 4-40 THRD CAP SCREW 0371-SS RAF Electronic Hardware 1: £2.19 37In Stock	Mfr. Part No. 0371-SS Mouser Part No 761-0371-SS	RAF Electronic Hardware	Screws & Fasteners 5/8 LNGTH 1/4 DIA 4-40 THRD CAP SCREW	Datasheet	37In Stock	£2.19 £2.10 £1.68 £1.58 View £1.51 £1.44 £1.39 £1.37	Min.: 1 Mult.: 1
Screws & Fasteners 1/4HD X 1.00 X 4-40 Thd Captive Panel 0377-SS RAF Electronic Hardware 1: £6.16 35In Stock	Mfr. Part No. 0377-SS Mouser Part No 761-0377-SS	RAF Electronic Hardware	Screws & Fasteners 1/4HD X 1.00 X 4-40 Thd Captive Panel	Datasheet	35In Stock	£6.16 £5.81 £5.40 £5.09 View £4.79 £4.53 £4.39 £4.23	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 LNGTH 5/16 DIA 4-40 THRD CAP SCREW 0378-SS RAF Electronic Hardware 1: £2.35 35In Stock	Mfr. Part No. 0378-SS Mouser Part No 761-0378-SS	RAF Electronic Hardware	Screws & Fasteners 3/8 LNGTH 5/16 DIA 4-40 THRD CAP SCREW	Datasheet	35In Stock	£2.35 £2.13 £1.90 £1.51 View £1.41 £1.34 £1.28	Min.: 1 Mult.: 1
Screws & Fasteners 1/4 LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0817-SS RAF Electronic Hardware 1: £1.52 159In Stock	Mfr. Part No. 0817-SS Mouser Part No 761-0817-SS	RAF Electronic Hardware	Screws & Fasteners 1/4 LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	159In Stock	£1.52 £1.29 £1.11 £1.03 View £1.02 £0.978 £0.969 £0.96	Min.: 1 Mult.: 1
Screws & Fasteners 9/16 LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0822-SS RAF Electronic Hardware 1: £1.55 197In Stock	Mfr. Part No. 0822-SS Mouser Part No 761-0822-SS	RAF Electronic Hardware	Screws & Fasteners 9/16 LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	197In Stock	£1.55 £1.37 £1.22 £1.13 View £1.03 £0.969 £0.934 £0.925 £0.917	Min.: 1 Mult.: 1
Screws & Fasteners 5/8 LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0823-SS RAF Electronic Hardware 1: £1.53 110In Stock 130Expected 03/11/2026	Mfr. Part No. 0823-SS Mouser Part No 761-0823-SS	RAF Electronic Hardware	Screws & Fasteners 5/8 LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	110In Stock 130Expected 03/11/2026	£1.53 £1.44 £1.33	Min.: 1 Mult.: 1
Screws & Fasteners 1" LNGTH 11/64 DIA 4-40 THRD CAP SCREW 0829-SS RAF Electronic Hardware 1: £1.85 245In Stock	Mfr. Part No. 0829-SS Mouser Part No 761-0829-SS	RAF Electronic Hardware	Screws & Fasteners 1" LNGTH 11/64 DIA 4-40 THRD CAP SCREW	Datasheet	245In Stock	£1.85 £1.74 £1.50 £1.42 View £1.33 £1.27 £1.20 £1.19 £1.18	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 3/4in 3/16in Round FEM Standoff 1641-440-AL RAF Electronic Hardware 1: £0.528 2,708In Stock	Mfr. Part No. 1641-440-AL Mouser Part No 761-1641-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 3/4in 3/16in Round FEM Standoff	Datasheet	2,708In Stock	£0.528 £0.419 £0.365 £0.337 View £0.322 £0.313 £0.305 £0.302 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 1in 3/16in Round FEM Standoff 1645-440-SS RAF Electronic Hardware 1: £2.13 25In Stock	Mfr. Part No. 1645-440-SS Mouser Part No 761-1645-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 1in 3/16in Round FEM Standoff	Datasheet	25In Stock	£2.13 £1.70 £1.69 £1.64 View £1.60 £1.58 £1.57	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Rd X 7/32 Length Round Standoff 1679T-440-AL RAF Electronic Hardware 1: £0.499 38In Stock	Mfr. Part No. 1679T-440-AL Mouser Part No 761-1679T-440-AL	RAF Electronic Hardware	Standoffs & Spacers 1/4 Rd X 7/32 Length Round Standoff	Datasheet	38In Stock	£0.499 £0.398 £0.346 £0.321 View £0.311 £0.284 £0.279 £0.269 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 RD FM S/O 5/16 4-40 NYLON 1681-440-N RAF Electronic Hardware 1: £1.22 100In Stock	Mfr. Part No. 1681-440-N Mouser Part No 761-1681-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 RD FM S/O 5/16 4-40 NYLON	Datasheet	100In Stock	£1.22 £0.943 £0.782 £0.741 View £0.653 £0.64 £0.636 £0.631 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 RD FM S/O 3/8 4-40 NYLON 1682-440-N RAF Electronic Hardware 1: £0.986 223In Stock	Mfr. Part No. 1682-440-N Mouser Part No 761-1682-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 RD FM S/O 3/8 4-40 NYLON	Datasheet	223In Stock	£0.986 £0.801 £0.703 £0.643 View £0.608 £0.594 £0.584 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 3/8in 1/4in Round FEM Standoff 1682-440-SS RAF Electronic Hardware 1: £1.34 264In Stock	Mfr. Part No. 1682-440-SS Mouser Part No 761-1682-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 3/8in 1/4in Round FEM Standoff	Datasheet	264In Stock	£1.34 £0.995 £0.899 £0.89	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Rd X 7/16 Length Round Standoff 1683-440-AL RAF Electronic Hardware 1: £0.632 22In Stock	Mfr. Part No. 1683-440-AL Mouser Part No 761-1683-440-AL	RAF Electronic Hardware	Standoffs & Spacers 1/4 Rd X 7/16 Length Round Standoff	Datasheet	22In Stock	£0.632 £0.505 £0.441 £0.406 View £0.392 £0.381 £0.37 £0.367 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 RD FM S/O 7/16 4-40 NYLON 1683-440-N RAF Electronic Hardware 1: £1.27 15In Stock	Mfr. Part No. 1683-440-N Mouser Part No 761-1683-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 RD FM S/O 7/16 4-40 NYLON	Datasheet	15In Stock	£1.27 £0.952 £0.908 £0.873 View £0.867 £0.862 £0.858 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 5/8in 1/4in Round FEM Standoff 1686-440-AL RAF Electronic Hardware 1: £0.462 353In Stock	Mfr. Part No. 1686-440-AL Mouser Part No 761-1686-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 5/8in 1/4in Round FEM Standoff	Datasheet	353In Stock	£0.462 £0.337 £0.286 £0.243 View £0.231 £0.227 £0.216 £0.209 £0.202	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 3/4in 1/4in Round FEM Standoff 1688-440-AL RAF Electronic Hardware 1: £0.471 86In Stock	Mfr. Part No. 1688-440-AL Mouser Part No 761-1688-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 3/4in 1/4in Round FEM Standoff	Datasheet	86In Stock	£0.471 £0.377 £0.313 £0.287 View £0.278 £0.252 £0.246 £0.244 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 1in 1/4in Round FEM Standoff 1692-440-AL RAF Electronic Hardware 1: £0.585 215In Stock 85Expected 13/11/2026	Mfr. Part No. 1692-440-AL Mouser Part No 761-1692-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 1in 1/4in Round FEM Standoff	Datasheet	215In Stock 85Expected 13/11/2026	£0.585 £0.527 £0.457 £0.40 View £0.388 £0.377 £0.367 £0.353 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF 2051-440-AL-7 RAF Electronic Hardware 1: £0.415 222In Stock	Mfr. Part No. 2051-440-AL-7 Mouser Part No 761-2051-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF	Datasheet	222In Stock	£0.415 £0.331 £0.286 £0.272 View £0.271 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex X 3/16 Length Hex Female Standoff 2052-440-AL RAF Electronic Hardware 1: £0.33 1,478In Stock	Mfr. Part No. 2052-440-AL Mouser Part No 761-2052-440-AL	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex X 3/16 Length Hex Female Standoff	Datasheet	1,478In Stock	£0.33 £0.266 £0.23 £0.207 View £0.203 £0.184 £0.179 £0.173 £0.168	Min.: 1 Mult.: 1