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4-40 Mounting Fixings

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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.	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: £0.225 149,794In 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	149,794In Stock	£0.225 £0.164 £0.132 £0.119 View £0.11 £0.107 £0.10 £0.099 £0.095	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Steel				4-40
Mounting Fixings NUT, BROACHING, STAINLESS KFS2-440 PEM 1: £0.48 156,130In Stock 88,000Expected 21/10/2026	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	156,130In Stock 88,000Expected 21/10/2026	£0.48 £0.346 £0.277 £0.25 View £0.231 £0.225 £0.212 £0.207 £0.201	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut	Stainless Steel				4-40
Mounting Fixings NUT, MINILOCK FEO-440-MD PEM 1: £0.728 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	£0.728 £0.517 £0.414 £0.389 View £0.33 £0.317 £0.309 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Fixings SS LOW PROFILE NUT SMPS-440 PEM 1: £0.271 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	£0.271 £0.194 £0.155 £0.14 View £0.129 £0.126 £0.119 £0.116 £0.112	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Fixings NUT, MINILOCK, FILM ONLY FE-440-MD PEM 1: £0.638 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	£0.638 £0.458 £0.367 £0.33 View £0.306 £0.298 £0.281 £0.275 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut	Steel				4-40
Mounting Fixings PANEL FASTENER,ASSY,LOW PROFIL PF32-440-30CN PEM 1: £2.25 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	£2.25 £2.09 £1.86 £1.75 View £1.69 £1.63 £1.58 £1.52 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel					4-40
Mounting Fixings NUT, MINI, NL FEX-440 PEM 1: £0.533 9,650In Stock	Mfr. Part No. FEX-440 Mouser Part No 153-FEX-440	PEM	Mounting Fixings NUT, MINI, NL	Datasheet	9,650In Stock	£0.533 £0.377 £0.302 £0.284 View £0.241 £0.23 £0.226 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Self Clinching	Steel				4-40
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: £1.65 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	£1.65 £1.24 £0.96 £0.908 View £0.882 £0.849 £0.818 £0.796 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: £1.55 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	£1.55 £1.15 £0.917 £0.766 View £0.745 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Non-Locking	Stainless Steel			9.14 mm	4-40	Female
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: £0.361 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	£0.361 £0.253 £0.203 £0.182 View £0.167 £0.164 £0.155 £0.152 £0.147	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.218 in	4-40		Bulk
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-440 SI 1: £0.48 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	£0.48 £0.345 £0.276 £0.249 View £0.23 £0.224 £0.211 £0.207 £0.20	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: £0.361 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	£0.361 £0.256 £0.205 £0.185 View £0.171 £0.167 £0.157 £0.153 £0.148	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.166 in	0.219 in	4-40
Mounting Fixings ULTRASONIC INSERT, ALUM IUA-440-1 SI 1: £0.196 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	£0.196 £0.141 £0.113 £0.102 View £0.094 £0.092 £0.086 £0.085 £0.082	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: £0.361 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	£0.361 £0.258 £0.207 £0.185 View £0.173 £0.168 £0.158 £0.155 £0.149	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: £0.225 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	£0.225 £0.158 £0.126 £0.119 View £0.10 £0.096 £0.094 £0.091	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: £0.346 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	£0.346 £0.25 £0.201 £0.18 View £0.168 £0.163 £0.153 £0.15 £0.145	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum	0.187 in	0.23 in	0.187 in	4-40
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-8 SI 1: £0.346 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	£0.346 £0.25 £0.20 £0.18 View £0.167 £0.162 £0.153 £0.149 £0.144	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: £0.165 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	£0.165 £0.116 £0.093 £0.088 View £0.073 £0.071 £0.069 £0.067	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.153 in	0.135 in	0.172 in	4-40
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-440 SI 1: £0.248 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	£0.248 £0.171 £0.137 £0.126 View £0.113 £0.111 £0.105 £0.102 £0.10	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Brass	0.158 in	0.226 in	0.179 in	4-40
Mounting Fixings STUD, BROACHING, PHOS BRONZE KFH-440-5ET PEM 1: £0.217 12,786In Stock 14,000Expected 23/09/2026	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	12,786In Stock 14,000Expected 23/09/2026	£0.217 £0.155 £0.125 £0.112 View £0.104 £0.101 £0.095 £0.093 £0.09	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Stud	Steel				4-40
Mounting Fixings POST MOLD INSERT, BRASS PPB-440-1 SI 1: £0.30 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 On Order Ship Dates Mfr. No: PPB-440-1 Stock: 4,422 Can Dispatch Immediately On Order: 5,386 Pending 10,000 Expected 23/09/2026 Factory Lead Time: 15 Weeks	£0.30 £0.212 £0.17 £0.161 View £0.136 £0.13 £0.127 £0.123	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: £0.21 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	£0.21 £0.149 £0.12 £0.108 View £0.10 £0.098 £0.092	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut					4-40
Mounting Fixings STUD, BROACHING, PHOS BRONZE KFH-440-4ET PEM 1: £0.21 155In Stock 26,000On Order	Mfr. Part No. KFH-440-4ET Mouser Part No 153-KFH-440-4ET	PEM	Mounting Fixings STUD, BROACHING, PHOS BRONZE Learn More about PEM kfh broaching studs	Datasheet	155In Stock 26,000On Order On Order Ship Dates Mfr. No: KFH-440-4ET Stock: 155 Can Dispatch Immediately On Order: 11,000 Expected 07/12/2026 15,000 Expected 23/12/2026 Factory Lead Time: 22 Weeks	£0.21 £0.152 £0.12 £0.109 View £0.101 £0.099 £0.093 £0.091 £0.088	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Stud	Steel				4-40
Mounting Fixings POST MOLD INSERT, BRASS PPA-440-1 SI 1: £0.248 1,910In Stock	Mfr. Part No. PPA-440-1 Mouser Part No 153-PPA-440-1	SI	Mounting Fixings POST MOLD INSERT, BRASS Learn More about SI press in inserts	Datasheet	1,910In Stock	£0.248 £0.178 £0.142 £0.127 View £0.119 £0.115 £0.109 £0.107 £0.103	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum		0.188 in	0.169 in	4-40
Mounting Fixings POST MOLD INSERT, BRASS PPB-440-2 SI 1: £0.398 31In Stock	Mfr. Part No. PPB-440-2 Mouser Part No 153-PPB-440-2	SI	Mounting Fixings POST MOLD INSERT, BRASS Learn More about SI press in inserts	Datasheet	31In Stock	£0.398 £0.287 £0.23 £0.207 View £0.192 £0.187 £0.175 £0.172 £0.167	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.25 in	0.169 in	4-40