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

4-40 Mounting Hardware

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 208

Applied Filters:

Thread Size = 4-40

Manufacturer

Product

Type

Material

Mounting Hole Size

Length

Outside Diameter

Thickness

Gender

Packaging

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 (CRC) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Mounting Hole Size	Length	Outside Diameter	Thread Size	Gender	Packaging
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-440 PEM 1: ₡333,10 213 361In Stock	Mfr. Part # KFS2-440 Mouser Part # 153-KFS2-440	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	213 361In Stock	₡333,10 ₡239,41 ₡192,05 ₡172,79 View ₡160,30 ₡156,14 ₡146,77 ₡143,65 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Stainless Steel				4-40
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: ₡156,14 134 974In Stock	Mfr. Part # KF2-440-ET Mouser Part # 153-KF2-440-ET	PEM	Mounting Hardware NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	134 974In Stock	₡156,14 ₡113,98 ₡91,08 ₡82,23 View ₡76,51 ₡73,91 ₡69,74 ₡68,18 ₡66,10	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Steel				4-40
Mounting Hardware NUT, MINILOCK FEO-440-MD PEM 1: ₡504,85 6 703In Stock	Mfr. Part # FEO-440-MD Mouser Part # 153-FEO-440-MD	PEM	Mounting Hardware NUT, MINILOCK	Datasheet	6 703In Stock	₡504,85 ₡358,08 ₡286,78 ₡258,15 View ₡219,12 ₡214,43 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Hardware FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: ₡1 150,23 4 943In Stock	Mfr. Part # AC-440-2 Mouser Part # 153-AC-440-2	PEM	Mounting Hardware FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4 943In Stock	₡1 150,23 ₡858,77 ₡671,40 ₡629,76 View ₡608,94 ₡593,33 ₡572,51 ₡551,69 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Hardware NUT, MINILOCK, FILM ONLY FE-440-MD PEM 1: ₡442,40 22 526In Stock	Mfr. Part # FE-440-MD Mouser Part # 153-FE-440-MD	PEM	Mounting Hardware NUT, MINILOCK, FILM ONLY	Datasheet	22 526In Stock	₡442,40 ₡317,48 ₡253,99 ₡228,48 View ₡212,35 ₡206,62 ₡194,65 ₡190,49 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Hardware ULTRASONIC INSERT, STAINLESS IUC-440-2 SI 1: ₡275,85 8 795In Stock	Mfr. Part # IUC-440-2 Mouser Part # 153-IUC-440-2	SI	Mounting Hardware ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8 795In Stock	₡275,85 ₡194,13 ₡155,10 ₡146,25 View ₡123,87 ₡118,67 ₡116,06 ₡111,90	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.141 in	0.219 in	0.172 in	4-40
Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S LAC-440-2MD PEM 1: ₡1 327,19 5 534In Stock	Mfr. Part # LAC-440-2MD Mouser Part # 153-LAC-440-2MD	PEM	Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S	Datasheet	5 534In Stock	₡1 327,19 ₡988,88 ₡770,29 ₡728,65 View ₡713,04 ₡687,01 ₡660,99 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Stainless Steel				4-40
Mounting Hardware SS LOW PROFILE NUT SMPS-440 PEM 1: ₡187,37 27 148In Stock	Mfr. Part # SMPS-440 Mouser Part # 153-SMPS-440	PEM	Mounting Hardware SS LOW PROFILE NUT	Datasheet	27 148In Stock	₡187,37 ₡134,28 ₡107,22 ₡96,81 View ₡89,52 ₡87,44 ₡82,23 ₡80,67 ₡77,55	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Hardware SMTRA440-9-6ET PEM 1: ₡1 129,41 17 546In Stock 20 100On Order	Mfr. Part # SMTRA440-9-6ET Mouser Part # 153-SMTRA440-9-6ET	PEM	Mounting Hardware Learn More about PEM smtra rangle fasteners	Datasheet	17 546In Stock 20 100On Order On Order Ship Dates Mfr. #: SMTRA440-9-6ET Stock: 17 546 Can Ship Immediately On Order: 900 Expected 11/2/2026 19 200 Expected 12/30/2026 Factory Lead-Time: 28 Weeks	Cut Tape ₡1 129,41 ₡843,15 ₡655,79 Reel ₡614,15 MouseReel Available	Min.: 1 Mult.: 1 : 300	Screws & Fasteners	Right Angle Fastener	Steel				4-40		Reel, Cut Tape, MouseReel
Mounting Hardware HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: ₡249,82 9 989In Stock	Mfr. Part # IUTFB-440 Mouser Part # 153-IUTFB-440	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 989In Stock	₡249,82 ₡175,40 ₡140,53 ₡126,47 View ₡115,54 ₡113,98 ₡107,22 ₡105,13 ₡101,49	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.218 in	4-40		Bulk
Mounting Hardware PANEL FASTENER,ASSY,LOW PROFIL PF32-440-30CN PEM 1: ₡1 561,40 4 810In Stock	Mfr. Part # PF32-440-30CN Mouser Part # 153-PF32-440-30CN	PEM	Mounting Hardware PANEL FASTENER,ASSY,LOW PROFIL	Datasheet	4 810In Stock	₡1 561,40 ₡1 446,89 ₡1 290,75 ₡1 212,68 View ₡1 171,05 ₡1 129,41 ₡1 092,98 ₡1 051,34 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel					4-40
Mounting Hardware NUT, MINI, NL FEX-440 PEM 1: ₡369,53 9 550In Stock	Mfr. Part # FEX-440 Mouser Part # 153-FEX-440	PEM	Mounting Hardware NUT, MINI, NL	Datasheet	9 550In Stock	₡369,53 ₡261,27 ₡209,23 ₡188,41 View ₡174,36 ₡169,67 ₡159,78 ₡156,66 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Hardware PF52-440-0CN PEM 1: ₡1 483,33 4 955In Stock	Mfr. Part # PF52-440-0CN Mouser Part # 153-PF52-440-0CN	PEM	Mounting Hardware	Datasheet	4 955In Stock	₡1 483,33 ₡1 374,03 ₡1 228,30 ₡1 155,43 View ₡1 108,59 ₡1 072,16 ₡1 035,73 ₡999,29 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel					4-40
Mounting Hardware FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: ₡1 145,02 4 893In Stock	Mfr. Part # AC-440-1 Mouser Part # 153-AC-440-1	PEM	Mounting Hardware FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4 893In Stock	₡1 145,02 ₡858,77 ₡666,20 ₡629,76 View ₡608,94 ₡588,13 ₡567,31 ₡551,69 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S LAC-440-1MD PEM 1: ₡1 327,19 4 907In Stock	Mfr. Part # LAC-440-1MD Mouser Part # 153-LAC-440-1MD	PEM	Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S	Datasheet	4 907In Stock	₡1 327,19 ₡988,88 ₡780,70 ₡660,99 View Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Stainless Steel				4-40
Mounting Hardware MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: ₡239,41 1 935In Stock	Mfr. Part # IBB-440-8 Mouser Part # 153-IBB-440-8	SI	Mounting Hardware MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	1 935In Stock	₡239,41 ₡172,79 ₡138,44 ₡124,39 View ₡115,54 ₡112,42 ₡106,17 ₡103,57 ₡99,93	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass		0.344 in	0.188 in	4-40
Mounting Hardware ULTRASONIC INSERT, BRASS IUB-440-1 SI 1: ₡114,50 9 774In Stock	Mfr. Part # IUB-440-1 Mouser Part # 153-IUB-440-1	SI	Mounting Hardware ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9 774In Stock	₡114,50 ₡80,67 ₡64,54 ₡60,89 View ₡51,01 ₡48,92 ₡47,88 ₡46,32	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.153 in	0.135 in	0.172 in	4-40
Mounting Hardware ULTRASONIC INSERT, ALUM IUA-440-1 SI 1: ₡135,32 1 426In Stock	Mfr. Part # IUA-440-1 Mouser Part # 153-IUA-440-1	SI	Mounting Hardware ULTRASONIC INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1 426In Stock	₡135,32 ₡97,85 ₡78,59 ₡70,78 View ₡65,58 ₡63,50 ₡59,85 ₡58,81 ₡56,73	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.153 in	0.135 in	0.172 in	4-40
Mounting Hardware HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-440-135 SI 1: ₡156,14 5 598In Stock	Mfr. Part # IUTB-440-135 Mouser Part # 153-IUTB-440-135	SI	Mounting Hardware HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	5 598In Stock	₡156,14 ₡109,30 ₡87,44 ₡82,23 View ₡69,22 ₡66,62 ₡65,06 ₡62,98	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.135 in		4-40
Mounting Hardware POST MOLD FLANGE INSERT BRASS PFLB-440-1 SI 1: ₡249,82 1 848In Stock	Mfr. Part # PFLB-440-1 Mouser Part # 153-PFLB-440-1	SI	Mounting Hardware POST MOLD FLANGE INSERT BRASS Learn More about SI press in inserts	Datasheet	1 848In Stock	₡249,82 ₡177,48 ₡142,09 ₡128,03 View ₡118,67 ₡115,54 ₡108,78 ₡106,17 ₡103,05	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.166 in	0.219 in	4-40
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-440 SI 1: ₡171,75 8 415In Stock	Mfr. Part # IUTB-440 Mouser Part # 153-IUTB-440	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8 415In Stock	₡171,75 ₡118,67 ₡95,25 ₡88,48 View ₡74,43 ₡72,34 ₡70,78 ₡68,70	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.179 in	4-40
Mounting Hardware MOLD-IN INSERT, BLIND, BRASS IBB-440-4 SI 1: ₡197,78 710In Stock	Mfr. Part # IBB-440-4 Mouser Part # 153-IBB-440-4	SI	Mounting Hardware MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	710In Stock	₡197,78 ₡136,88 ₡109,82 ₡103,57 View ₡87,44 ₡83,79 ₡81,71 ₡79,11	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass		0.205 in	0.188 in	4-40
Mounting Hardware POST MOLD INSERT, BRASS PKB-440 SI 1: ₡312,28 1 028In Stock 10 000Expected 11/19/2026	Mfr. Part # PKB-440 Mouser Part # 153-PKB-440	SI	Mounting Hardware POST MOLD INSERT, BRASS Learn More about SI press in inserts	Datasheet	1 028In Stock 10 000Expected 11/19/2026	₡312,28 ₡223,80 ₡179,56 ₡161,34 View ₡149,89 ₡145,73 ₡137,40 ₡134,28 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.188 in	0.156 in	4-40
Mounting Hardware SPACER, KNURLED, STAINLESS STKC-440-4 SI 1: ₡426,78 999In Stock	Mfr. Part # STKC-440-4 Mouser Part # 153-STKC-440-4	SI	Mounting Hardware SPACER, KNURLED, STAINLESS Learn More about SI molded in inserts	Datasheet	999In Stock	₡426,78 ₡302,39 ₡242,54 ₡227,96 View ₡193,61 ₡185,29 ₡181,12 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel		0.125 in	0.188 in	4-40
Mounting Hardware STUD, CONCEALED, STAINLESS CFHC-440-6 PEM 1: ₡364,33 404In Stock	Mfr. Part # CFHC-440-6 Mouser Part # 153-CFHC-440-6	PEM	Mounting Hardware STUD, CONCEALED, STAINLESS	Datasheet	404In Stock	₡364,33 ₡256,07 ₡205,06 ₡193,09 View ₡163,43 ₡156,66 ₡153,54 Quote	Min.: 1 Mult.: 1	Standoffs & Spacers	Round	Aluminum			5.2 mm	4-40	Male