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 8MM HEX BOLT 740-331370 Amphenol CONEC 1: $0.626 10,314On Order	Mfr. Part No. 740-331370 Mouser Part No 706-740-331370	Amphenol CONEC	Standoffs & Spacers 8MM HEX BOLT	Datasheet	10,314On Order On Order Ship Dates Mfr. No: 740-331370 Stock: 0 On Order: 1,114 Expected 18/11/2026 3,800 Expected 8/1/2027 5,400 Expected 5/2/2027 Factory Lead Time: 19 Weeks	$0.626 $0.49 $0.423 $0.419 View $0.404 $0.369 $0.36 $0.344 $0.325	Min.: 1 Mult.: 1
Standoffs & Spacers WA-Hex LockScrew UNC 4/40x10mm SW4.5 94510000 Wurth Elektronik 1: $0.68 3,422In Stock	Mfr. Part No. 94510000 Mouser Part No 710-94510000	Wurth Elektronik	Standoffs & Spacers WA-Hex LockScrew UNC 4/40x10mm SW4.5 Learn More about Wurth Elektronik assembly accessories	Datasheet	3,422In Stock	$0.68 $0.634 $0.592 $0.526 View $0.439 $0.394	Min.: 1 Mult.: 1
Standoffs & Spacers WA-Hex LockScrew UNC 4/40x18.2mm. SW4.5 94518200 Wurth Elektronik 1: $1.24 150In Stock 4,000On Order	Mfr. Part No. 94518200 Mouser Part No 710-94518200	Wurth Elektronik	Standoffs & Spacers WA-Hex LockScrew UNC 4/40x18.2mm. SW4.5 Learn More about Wurth Elektronik assembly accessories	Datasheet	150In Stock 4,000On Order On Order Ship Dates Mfr. No: 94518200 Stock: 150 Can Dispatch Immediately On Order: 2,000 Expected 9/11/2026 2,000 Expected 29/1/2027 Factory Lead Time: 24 Weeks	$1.24 $1.16 $1.08 $0.959 View $0.80 $0.718	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 HEX 7/8" LNGTH ALUM 440 THREAD FC2063-440-A Fascomp 1: $0.789 5In Stock	Mfr. Part No. FC2063-440-A Mouser Part No 728-FC2063-440-A	Fascomp	Standoffs & Spacers 3/16 HEX 7/8" LNGTH ALUM 440 THREAD	Datasheet	5In Stock	$0.789 $0.564 $0.453 $0.407 View $0.378 $0.367 $0.347 $0.339 Quote	Min.: 1 Mult.: 1
Screws & Fasteners Hex Nut, #4-40 Thread, .100 Height 0400440HN Essentra 1: $0.163 38,807In Stock	Mfr. Part No. 0400440HN Mouser Part No 144-0400440HN	Essentra	Screws & Fasteners Hex Nut, #4-40 Thread, .100 Height Learn More about Essentra 04hn hex nuts	Datasheet	38,807In Stock	$0.163 $0.151 $0.126 $0.118 View $0.109 $0.102 $0.094 $0.092 $0.091	Min.: 1 Mult.: 1
Mounting Fixings POST MOLD FLANGE INSERT ALUM PFLA-440-1 SI 1: $0.626 990In Stock	Mfr. Part No. PFLA-440-1 Mouser Part No 153-PFLA-440-1	SI	Mounting Fixings POST MOLD FLANGE INSERT ALUM Learn More about SI press in inserts	Datasheet	990In Stock	$0.626 $0.446 $0.356 $0.321 View $0.298 $0.29 $0.273 $0.268 $0.258	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40x1/4 RD SWAGE 1624-2 Keystone Electronics 1: $1.81 3,904In Stock	Mfr. Part No. 1624-2 Mouser Part No 534-1624-2	Keystone Electronics	Standoffs & Spacers 4-40x1/4 RD SWAGE	Datasheet	3,904In Stock	$1.81 $1.39 $1.34 $1.32 View $1.17 $0.826 $0.749 $0.734	Min.: 1 Mult.: 1
Standoffs & Spacers .109 X .250 4-40 THREADED HEX STANDOFF BRASS 1650-2 Keystone Electronics 1: $0.911 4,569In Stock	Mfr. Part No. 1650-2 Mouser Part No 534-1650-2	Keystone Electronics	Standoffs & Spacers .109 X .250 4-40 THREADED HEX STANDOFF BRASS	Datasheet	4,569In Stock	$0.911 $0.74 $0.709 $0.615 View $0.476 $0.435 $0.408	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .187X.375 ALUM 1892 Keystone Electronics 1: $0.544 27,155In Stock	Mfr. Part No. 1892 Mouser Part No 534-1892	Keystone Electronics	Standoffs & Spacers HEX .187X.375 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	27,155In Stock	$0.544 $0.426 $0.379 $0.32 View $0.295 $0.256 $0.211 $0.201	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .187X.500 ALUM 1893 Keystone Electronics 1: $0.503 24,645In Stock	Mfr. Part No. 1893 Mouser Part No 534-1893	Keystone Electronics	Standoffs & Spacers HEX .187X.500 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	24,645In Stock	$0.503 $0.40 $0.375 $0.34 View $0.335 $0.303 $0.249 $0.203 $0.192	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .187X.625 ALUM 1894 Keystone Electronics 1: $0.898 9,761In Stock	Mfr. Part No. 1894 Mouser Part No 534-1894	Keystone Electronics	Standoffs & Spacers HEX .187X.625 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	9,761In Stock	$0.898 $0.684 $0.63 $0.534 View $0.445 $0.408 $0.374 $0.345	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .187X1.00 ALUM 1897 Keystone Electronics 1: $1.14 5,438In Stock	Mfr. Part No. 1897 Mouser Part No 534-1897	Keystone Electronics	Standoffs & Spacers HEX .187X1.00 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	5,438In Stock	$1.14 $1.01 $0.981 $0.926 View $0.802 $0.574 $0.526 $0.487	Min.: 1 Mult.: 1
Standoffs & Spacers .250 NYLON/HEX 4-40 1902A Keystone Electronics 1: $0.911 15,583In Stock	Mfr. Part No. 1902A Mouser Part No 534-1902A	Keystone Electronics	Standoffs & Spacers .250 NYLON/HEX 4-40 Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	15,583In Stock	$0.911 $0.743 $0.724 $0.669 View $0.563 $0.457 $0.424 $0.388	Min.: 1 Mult.: 1
Standoffs & Spacers HEX 4-40X.375 NYLON 1902B Keystone Electronics 1: $0.898 14,652In Stock	Mfr. Part No. 1902B Mouser Part No 534-1902B	Keystone Electronics	Standoffs & Spacers HEX 4-40X.375 NYLON Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	14,652In Stock	$0.898 $0.699 $0.662 $0.593 View $0.499 $0.405 $0.375 $0.358	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 1.00 HEX STDOFF 1921D Keystone Electronics 1: $2.84 1,873In Stock	Mfr. Part No. 1921D Mouser Part No 534-1921D	Keystone Electronics	Standoffs & Spacers 4-40 1.00 HEX STDOFF Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	1,873In Stock	$2.84 $2.20 $2.00 $1.86 View $1.41 $1.26	Min.: 1 Mult.: 1
Standoffs & Spacers M-F BRS HEX 4 X.500" 1944 Keystone Electronics 1: $1.25 10,509In Stock	Mfr. Part No. 1944 Mouser Part No 534-1944	Keystone Electronics	Standoffs & Spacers M-F BRS HEX 4 X.500" Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	10,509In Stock	$1.25 $1.09 $1.04 $0.933 View $0.785 $0.616 $0.57 $0.486	Min.: 1 Mult.: 1
Standoffs & Spacers RND .187X.500 ALUM 2027 Keystone Electronics 1: $0.707 26,487In Stock	Mfr. Part No. 2027 Mouser Part No 534-2027	Keystone Electronics	Standoffs & Spacers RND .187X.500 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	26,487In Stock	$0.707 $0.597 $0.568 $0.502 View $0.43 $0.341 $0.316 $0.267	Min.: 1 Mult.: 1
Mounting Fixings BOW-TIE CLIP 2060 Keystone Electronics 1: $1.10 6,293In Stock	Mfr. Part No. 2060 Mouser Part No 534-2060	Keystone Electronics	Mounting Fixings BOW-TIE CLIP	Datasheet	6,293In Stock	$1.10 $0.911 $0.839 $0.792 View $0.695 $0.502 $0.477 $0.458	Min.: 1 Mult.: 1
Screws & Fasteners .250x.437 w/slot Drct Access Turnble 2067 Keystone Electronics 1: $4.12 1,457In Stock	Mfr. Part No. 2067 Mouser Part No 534-2067	Keystone Electronics	Screws & Fasteners .250x.437 w/slot Drct Access Turnble	Datasheet	1,457In Stock	$4.12 $3.26 $3.14 $1.90	Min.: 1 Mult.: 1
Standoffs & Spacers SS .500 M/F THRD 2088 Keystone Electronics 1: $2.57 2,689In Stock	Mfr. Part No. 2088 Mouser Part No 534-2088	Keystone Electronics	Standoffs & Spacers SS .500 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	2,689In Stock	$2.57 $2.01 $1.81 $1.65 View $1.62 $1.20 $1.10 $1.09	Min.: 1 Mult.: 1
Standoffs & Spacers SS .750 M/F THRD 2090 Keystone Electronics 1: $3.02 1,674In Stock 1,190Expected 16/11/2026	Mfr. Part No. 2090 Mouser Part No 534-2090	Keystone Electronics	Standoffs & Spacers SS .750 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	1,674In Stock 1,190Expected 16/11/2026	$3.02 $2.41 $2.15 $1.89 View $1.55 $1.44 $1.39	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X.250 ALUM 2201 Keystone Electronics 1: $0.462 13,940In Stock 6,700On Order	Mfr. Part No. 2201 Mouser Part No 534-2201	Keystone Electronics	Standoffs & Spacers HEX .250X.250 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	13,940In Stock 6,700On Order	$0.462 $0.382 $0.351 $0.286 View $0.242 $0.227	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X.500 ALUM 2203 Keystone Electronics 1: $0.598 39,749In Stock	Mfr. Part No. 2203 Mouser Part No 534-2203	Keystone Electronics	Standoffs & Spacers HEX .250X.500 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	39,749In Stock	$0.598 $0.57 $0.51 $0.432 View $0.359 $0.33 $0.302 $0.288	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X1.00 ALUM 2205 Keystone Electronics 1: $0.993 10,514In Stock	Mfr. Part No. 2205 Mouser Part No 534-2205	Keystone Electronics	Standoffs & Spacers HEX .250X1.00 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	10,514In Stock	$0.993 $0.857 $0.813 $0.728 View $0.612 $0.487 $0.452 $0.393	Min.: 1 Mult.: 1
Screws & Fasteners .469 4-40 CAP SCR SS 2413 Keystone Electronics 1: $2.19 8,403In Stock	Mfr. Part No. 2413 Mouser Part No 534-2413	Keystone Electronics	Screws & Fasteners .469 4-40 CAP SCR SS	Datasheet	8,403In Stock	$2.19 $1.70 $1.67 $1.18 View $1.05 $0.982	Min.: 1 Mult.: 1