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4-40 Mounting Fixings

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 Fixings NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.30 143,884In Stock	Mfr. Part No. KF2-440-ET Mouser Part No 153-KF2-440-ET	PEM	Mounting Fixings NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	143,884In Stock	$0.30 $0.219 $0.176 $0.158 View $0.147 $0.142 $0.134 $0.131 $0.127	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Steel				4-40
Mounting Fixings NUT, BROACHING, STAINLESS KFS2-440 PEM 1: $0.64 141,340In Stock 88,000Expected 2026/10/21	Mfr. Part No. KFS2-440 Mouser Part No 153-KFS2-440	PEM	Mounting Fixings NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	141,340In Stock 88,000Expected 2026/10/21	$0.64 $0.461 $0.369 $0.333 View $0.308 $0.30 $0.283 $0.276 $0.267	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Stainless Steel				4-40
Mounting Fixings NUT, MINILOCK FEO-440-MD PEM 1: $0.97 6,703In Stock	Mfr. Part No. FEO-440-MD Mouser Part No 153-FEO-440-MD	PEM	Mounting Fixings NUT, MINILOCK	Datasheet	6,703In Stock	$0.97 $0.688 $0.551 $0.497 View $0.421 $0.412 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL PF32-440-30CN PEM 1: $3.00 4,810In Stock	Mfr. Part No. PF32-440-30CN Mouser Part No 153-PF32-440-30CN	PEM	Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL	Datasheet	4,810In Stock	$3.00 $2.78 $2.48 $2.33 View $2.24 $2.17 $2.11 $2.02 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel					4-40
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: $0.48 9,989In Stock	Mfr. Part No. IUTFB-440 Mouser Part No 153-IUTFB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,989In Stock	$0.48 $0.337 $0.27 $0.243 View $0.219 $0.206 $0.202 $0.195	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.218 in	4-40		Bulk
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: $2.06 4,918In Stock	Mfr. Part No. AC-440-2 Mouser Part No 153-AC-440-2	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,918In Stock	$2.06 $1.54 $1.22 $1.02 View $0.992 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Fixings NUT, MINI, NL FEX-440 PEM 1: $0.711 9,650In Stock	Mfr. Part No. FEX-440 Mouser Part No 153-FEX-440	PEM	Mounting Fixings NUT, MINI, NL	Datasheet	9,650In Stock	$0.711 $0.502 $0.402 $0.378 View $0.321 $0.307 $0.301 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: $2.20 5,371In Stock	Mfr. Part No. AC-440-1 Mouser Part No 153-AC-440-1	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	5,371In Stock	$2.20 $1.65 $1.28 $1.22 View $1.16 $1.13 $1.09 $1.06 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Fixings SS LOW PROFILE NUT SMPS-440 PEM 1: $0.361 27,160In Stock	Mfr. Part No. SMPS-440 Mouser Part No 153-SMPS-440	PEM	Mounting Fixings SS LOW PROFILE NUT	Datasheet	27,160In Stock	$0.361 $0.258 $0.206 $0.186 View $0.172 $0.167 $0.158 $0.155 $0.149	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Fixings NUT, MINILOCK, FILM ONLY FE-440-MD PEM 1: $0.85 23,699In Stock	Mfr. Part No. FE-440-MD Mouser Part No 153-FE-440-MD	PEM	Mounting Fixings NUT, MINILOCK, FILM ONLY	Datasheet	23,699In Stock	$0.85 $0.611 $0.488 $0.44 View $0.408 $0.397 $0.374 $0.366 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Fixings SMTRA440-9-6ET PEM 1: $2.17 10,509In Stock 29,400On Order	Mfr. Part No. SMTRA440-9-6ET Mouser Part No 153-SMTRA440-9-6ET	PEM	Mounting Fixings Learn More about PEM smtra rangle fasteners	Datasheet	10,509In Stock 29,400On Order On Order Ship Dates Mfr. No: SMTRA440-9-6ET Stock: 10,509 Can Dispatch Immediately On Order: 10,200 Expected 2026/10/26 19,200 Expected 2026/12/23 Factory Lead Time: 28 Weeks	Cut Tape $2.17 $1.62 $1.26 Reel $1.17 $1.15 View $1.12 $1.08 $1.04 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Screws & Fasteners	Right Angle Fastener	Steel				4-40		Reel, Cut Tape, MouseReel
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-440 SI 1: $0.33 8,624In Stock	Mfr. Part No. IUTB-440 Mouser Part No 153-IUTB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,624In Stock	$0.33 $0.228 $0.183 $0.17 View $0.147 $0.14 $0.136 $0.133	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.179 in	4-40
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-440 SI 1: $0.64 839In Stock	Mfr. Part No. IUTC-440 Mouser Part No 153-IUTC-440	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	839In Stock	$0.64 $0.459 $0.368 $0.331 View $0.307 $0.299 $0.281 $0.276 $0.266	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.158 in	0.226 in	0.179 in	4-40
Mounting Fixings POST MOLD FLANGE INSERT BRASS PFLB-440-1 SI 1: $0.48 2,348In Stock	Mfr. Part No. PFLB-440-1 Mouser Part No 153-PFLB-440-1	SI	Mounting Fixings POST MOLD FLANGE INSERT BRASS Learn More about SI press in inserts	Datasheet	2,348In Stock	$0.48 $0.341 $0.273 $0.247 View $0.228 $0.222 $0.209 $0.204 $0.198	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.166 in	0.219 in	4-40
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: $0.461 2,435In Stock	Mfr. Part No. IBB-440-8 Mouser Part No 153-IBB-440-8	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	2,435In Stock	$0.461 $0.333 $0.266 $0.24 View $0.222 $0.216 $0.204 $0.199 $0.192	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass		0.344 in	0.188 in	4-40
Mounting Fixings ULTRASONIC INSERT, BRASS IUB-440-1 SI 1: $0.22 9,994In Stock	Mfr. Part No. IUB-440-1 Mouser Part No 153-IUB-440-1	SI	Mounting Fixings ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,994In Stock	$0.22 $0.155 $0.124 $0.117 View $0.098 $0.094 $0.092 $0.09	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings ULTRASONIC INSERT, ALUM IUA-440-1 SI 1: $0.261 1,426In Stock	Mfr. Part No. IUA-440-1 Mouser Part No 153-IUA-440-1	SI	Mounting Fixings ULTRASONIC INSERT, ALUM Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	1,426In Stock	$0.261 $0.188 $0.151 $0.136 View $0.126 $0.122 $0.115 $0.113 $0.109	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings ULTRASONIC INSERT, STAINLESS IUC-440-1 SI 1: $0.48 3,211In Stock	Mfr. Part No. IUC-440-1 Mouser Part No 153-IUC-440-1	SI	Mounting Fixings ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	3,211In Stock	$0.48 $0.343 $0.276 $0.247 View $0.23 $0.223 $0.211 $0.206 $0.199	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-440-135 SI 1: $0.30 8,098In Stock	Mfr. Part No. IUTB-440-135 Mouser Part No 153-IUTB-440-135	SI	Mounting Fixings HI-TORQUE INSERT, BRASS .135X.152 4-40 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,098In Stock	$0.30 $0.211 $0.167 $0.158 View $0.133 $0.128 $0.126 $0.121	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.135 in		4-40
Mounting Fixings THERMOPLASTIC INSERT,ALUMINUM NFPA-440 SI 1: $0.461 2,322In Stock	Mfr. Part No. NFPA-440 Mouser Part No 153-NFPA-440	SI	Mounting Fixings THERMOPLASTIC INSERT,ALUMINUM Learn More about SI press in inserts	Datasheet	2,322In Stock	$0.461 $0.333 $0.267 $0.24 View $0.223 $0.217 $0.204 $0.20 $0.193	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.187 in	0.23 in	0.187 in	4-40
Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL PF31-440-30CN PEM 1: $3.06 845In Stock	Mfr. Part No. PF31-440-30CN Mouser Part No 153-PF31-440-30CN	PEM	Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL	Datasheet	845In Stock	$3.06 $2.83 $2.54 $2.37 View $2.28 $2.21 $2.13 $2.06 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel	Steel				4-40
Mounting Fixings PF52-440-0CN PEM 1: $2.85 5,008In Stock	Mfr. Part No. PF52-440-0CN Mouser Part No 153-PF52-440-0CN	PEM	Mounting Fixings	Datasheet	5,008In Stock	$2.85 $2.64 $2.36 $2.22 View $2.12 $2.06 $1.99 $1.92 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel					4-40
Mounting Fixings STUD, BROACHING, PHOS BRONZE KFH-440-5ET PEM 1: $0.29 11,586In Stock 14,000On Order	Mfr. Part No. KFH-440-5ET Mouser Part No 153-KFH-440-5ET	PEM	Mounting Fixings STUD, BROACHING, PHOS BRONZE Learn More about PEM kfh broaching studs	Datasheet	11,586In Stock 14,000On Order	$0.29 $0.207 $0.166 $0.149 View $0.138 $0.135 $0.127 $0.124 $0.12	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Stud	Steel				4-40
Mounting Fixings POST MOLD INSERT, BRASS PPB-440-1 SI 1: $0.40 4,422In 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	4,422In Stock 15,386On Order	$0.40 $0.283 $0.227 $0.214 View $0.181 $0.173 $0.169 $0.164	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.188 in	0.169 in	4-40
Mounting Fixings NUT, LOCK, STEEL SL-440-2ZI PEM 1: $0.28 245In Stock 755On Order	Mfr. Part No. SL-440-2ZI Mouser Part No 153-SL-440-2ZI	PEM	Mounting Fixings NUT, LOCK, STEEL	Datasheet	245In Stock 755On Order	$0.28 $0.199 $0.16 $0.144 View $0.133 $0.13 $0.122	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut					4-40