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

4-40 Mounting Fixings

.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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Material	Mounting Hole Size	Length	Outside Diameter	Thickness	Thread Size	Packaging
Mounting Fixings BOW-TIE CLIP 2060 Keystone Electronics 1: $0.923 6,323In Stock	Mfr. Part No. 2060 Mouser Part No 534-2060	Keystone Electronics	Mounting Fixings BOW-TIE CLIP	Datasheet	6,323In Stock	$0.923 $0.764 $0.704 $0.663 View $0.583 $0.421 $0.40 $0.384	Min.: 1 Mult.: 1	Mounts		Steel		13.97 mm	0.007 in		4-40	Bulk
Mounting Fixings U-CLIPS 2062 Keystone Electronics 1: $0.832 5,989In Stock	Mfr. Part No. 2062 Mouser Part No 534-2062	Keystone Electronics	Mounting Fixings U-CLIPS	Datasheet	5,989In Stock	$0.832 $0.64 $0.606 $0.542 View $0.456 $0.454 $0.449 $0.438	Min.: 1 Mult.: 1	Mounts		Steel		6.35 mm	0.007 in		4-40	Bulk
Mounting Fixings THRD BRKT STL Z PL 612 Keystone Electronics 1: $0.422 40,103In Stock	Mfr. Part No. 612 Mouser Part No 534-612	Keystone Electronics	Mounting Fixings THRD BRKT STL Z PL	Datasheet	40,103In Stock	$0.422 $0.321 $0.287 $0.243 View $0.201 $0.185 $0.167 $0.156	Min.: 1 Mult.: 1	Brackets		Steel		9.53 mm		1.57 mm	4-40	Bulk
Mounting Fixings THRD BRKT BRS T PL 616 Keystone Electronics 1: $0.582 18,444In Stock	Mfr. Part No. 616 Mouser Part No 534-616	Keystone Electronics	Mounting Fixings THRD BRKT BRS T PL	Datasheet	18,444In Stock	$0.582 $0.495 $0.451 $0.37 View $0.315 $0.263 $0.241 $0.222	Min.: 1 Mult.: 1	Brackets		Brass		11.51 mm		1.57 mm	4-40	Bulk
Mounting Fixings THRD BRKT STL Z PL 621 Keystone Electronics 1: $0.501 48,965In Stock 198,700On Order	Mfr. Part No. 621 Mouser Part No 534-621	Keystone Electronics	Mounting Fixings THRD BRKT STL Z PL	Datasheet	48,965In Stock 198,700On Order On Order Ship Dates Mfr. No: 621 Stock: 48,965 Can Dispatch Immediately On Order: 95,500 Expected 2026/10/12 103,200 Expected 2026/11/24 Factory Lead Time: 10 Weeks	$0.501 $0.401 $0.356 $0.304 View $0.297 $0.255 $0.224 $0.208 $0.20	Min.: 1 Mult.: 1	Brackets		Steel		9.53 mm		1.57 mm	4-40	Bulk
Mounting Fixings NUT,BROACHING,STEEL,HEAT SINK HSR-440-2ET PEM 1: $0.53 80In Stock	Mfr. Part No. HSR-440-2ET Mouser Part No 153-HSR-440-2ET	PEM	Mounting Fixings NUT,BROACHING,STEEL,HEAT SINK	Datasheet	80In Stock	$0.53 $0.383 $0.306 $0.276 View $0.256 $0.249 $0.235 $0.23 $0.222	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut						4-40
Mounting Fixings NUT,BROACHING,STEEL,HEAT SINK HSR-440-3ET PEM 1: $0.561 39In Stock	Mfr. Part No. HSR-440-3ET Mouser Part No 153-HSR-440-3ET	PEM	Mounting Fixings NUT,BROACHING,STEEL,HEAT SINK	Datasheet	39In Stock	$0.561 $0.40 $0.32 $0.288 View $0.267 $0.261 $0.245 $0.24 $0.233	Min.: 1 Mult.: 1	Screws & Fasteners	Broaching Nut						4-40
Mounting Fixings MOLD-IN INSERT, BLIND, ALUM IBA-440-4 SI 1: $0.29 882In Stock	Mfr. Part No. IBA-440-4 Mouser Part No 153-IBA-440-4	SI	Mounting Fixings MOLD-IN INSERT, BLIND, ALUM Learn More about SI molded in inserts	Datasheet	882In Stock	$0.29 $0.211 $0.167 $0.151 View $0.14 $0.137 $0.129 $0.126 $0.122	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum		0.205 in	0.188 in		4-40
Mounting Fixings MOLD-IN INSERT, BLIND, ALUM IBA-440-6 SI 1: $0.311 1,000In Stock	Mfr. Part No. IBA-440-6 Mouser Part No 153-IBA-440-6	SI	Mounting Fixings MOLD-IN INSERT, BLIND, ALUM Learn More about SI molded in inserts	Datasheet	1,000In Stock	$0.311 $0.223 $0.178 $0.16 View $0.149 $0.145 $0.137 $0.134 $0.129	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum		0.281 in	0.188 in		4-40
Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS IBC-440-6 SI 1: $0.88 477In Stock	Mfr. Part No. IBC-440-6 Mouser Part No 153-IBC-440-6	SI	Mounting Fixings MOLD-IN INSERT,BLIND,STAINLESS Learn More about SI molded in inserts	Datasheet	477In Stock	$0.88 $0.63 $0.504 $0.454 View $0.422 $0.411 $0.387 $0.378 Quote	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel		0.281 in	0.188 in		4-40
Mounting Fixings ISC-440 DBL ENDED NUT ISC-440 SI 1: $0.68 17In Stock	Mfr. Part No. ISC-440 Mouser Part No 153-ISC-440	SI	Mounting Fixings ISC-440 DBL ENDED NUT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	17In Stock	$0.68 $0.48 $0.384 $0.362 View $0.307 $0.294 $0.287 $0.278	Min.: 1 Mult.: 1	Screws & Fasteners	Nut, Double Ended	Stainless Steel	0.157 in	0.226 in	0.182 in		4-40
Mounting Fixings MOLD-IN INSERT, BRASS ITB-440 SI 1: $0.361 842In Stock	Mfr. Part No. ITB-440 Mouser Part No 153-ITB-440	SI	Mounting Fixings MOLD-IN INSERT, BRASS Learn More about SI molded in inserts	Datasheet	842In Stock	$0.361 $0.258 $0.207 $0.186 View $0.173 $0.167 $0.158 $0.155 $0.15	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Leaded Brass		0.188 in	0.188 in		4-40
Mounting Fixings MOLD-IN INSERT, STAINLESS ITC-440 SI 1: $0.65 970In Stock	Mfr. Part No. ITC-440 Mouser Part No 153-ITC-440	SI	Mounting Fixings MOLD-IN INSERT, STAINLESS Learn More about SI molded in inserts	Datasheet	970In Stock	$0.65 $0.465 $0.373 $0.335 View $0.311 $0.304 $0.285 $0.279 $0.27	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Stainless Steel		0.188 in	0.188 in		4-40
Mounting Fixings FLOATER,ASSEMBLY,LOCKING,STEEL LAS-440-2MD PEM 1: $2.27 313In Stock	Mfr. Part No. LAS-440-2MD Mouser Part No 153-LAS-440-2MD	PEM	Mounting Fixings FLOATER,ASSEMBLY,LOCKING,STEEL	Datasheet	313In Stock	$2.27 $1.69 $1.31 $1.24 View $1.21 $1.17 $1.13 $1.09 Quote	Min.: 1 Mult.: 1	Screws & Fasteners							4-40
Mounting Fixings PF11MW FLOATING PF W/MATHREAD PF11MW-440-11 PEM 1: $2.63 236In Stock	Mfr. Part No. PF11MW-440-11 Mouser Part No 153-PF11MW-440-11	PEM	Mounting Fixings PF11MW FLOATING PF W/MATHREAD	Datasheet	236In Stock	$2.63 $2.43 $2.17 $2.04 View $1.97 $1.91 $1.84 $1.78 Quote	Min.: 1 Mult.: 1								4-40
Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP PF11PM-440-0B PEM 1: $2.44 525In Stock	Mfr. Part No. PF11PM-440-0B Mouser Part No 153-PF11PM-440-0B	PEM	Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP	Datasheet	525In Stock	$2.44 $2.26 $2.01 $1.90 View $1.83 $1.77 $1.71 $1.65 Quote	Min.: 1 Mult.: 1								4-40
Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP PF11PM-440-1B PEM 1: $2.44 272In Stock	Mfr. Part No. PF11PM-440-1B Mouser Part No 153-PF11PM-440-1B	PEM	Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP	Datasheet	272In Stock	$2.44 $2.26 $2.01 $1.90 View $1.83 $1.77 $1.71 $1.65 Quote	Min.: 1 Mult.: 1								4-40
Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP PF11PM-440-2B PEM 1: $2.40 8In Stock	Mfr. Part No. PF11PM-440-2B Mouser Part No 153-PF11PM-440-2B	PEM	Mounting Fixings PF11 W/MATP, BLACK PLASTIC CAP	Datasheet	8In Stock	$2.40 $2.22 $1.98 $1.86 View $1.80 $1.74 $1.67 $1.62 Quote	Min.: 1 Mult.: 1								4-40
Mounting Fixings PF52-440-1CN PEM 1: $2.51 428In Stock	Mfr. Part No. PF52-440-1CN Mouser Part No 153-PF52-440-1CN	PEM	Mounting Fixings	Datasheet	428In Stock	$2.51 $2.33 $2.07 $1.94 View $1.88 $1.83 $1.76 $1.71	Min.: 1 Mult.: 1	Screws & Fasteners	Captive Panel						4-40
Mounting Fixings PF7M W/MATHREAD PF7M-440-0CN PEM 1: $2.34 216In Stock	Mfr. Part No. PF7M-440-0CN Mouser Part No 153-PF7M-440-0CN	PEM	Mounting Fixings PF7M W/MATHREAD	Datasheet	216In Stock	$2.34 $2.17 $1.93 $1.81 View $1.76 $1.70 $1.64 $1.58 Quote	Min.: 1 Mult.: 1								4-40
Mounting Fixings POST MOLD FLANGE INSERT ALUM PFLA-440-2 SI 1: $0.47 608In Stock	Mfr. Part No. PFLA-440-2 Mouser Part No 153-PFLA-440-2	SI	Mounting Fixings POST MOLD FLANGE INSERT ALUM Learn More about SI press in inserts	Datasheet	608In Stock	$0.47 $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		0.228 in	0.219 in		4-40
Mounting Fixings POST MOLD FLANGE INSERT BRASS PFLB-440-2 SI 1: $0.48 697In Stock	Mfr. Part No. PFLB-440-2 Mouser Part No 153-PFLB-440-2	SI	Mounting Fixings POST MOLD FLANGE INSERT BRASS Learn More about SI press in inserts	Datasheet	697In Stock	$0.48 $0.342 $0.273 $0.247 View $0.229 $0.222 $0.211 $0.205 $0.198	Min.: 1 Mult.: 1	Inserts	Threaded Insert			0.228 in	0.219 in		4-40
Mounting Fixings POST MOLD-IN INSERT, ALUM PKA-440 SI 1: $0.42 720In Stock	Mfr. Part No. PKA-440 Mouser Part No 153-PKA-440	SI	Mounting Fixings POST MOLD-IN INSERT, ALUM Learn More about SI press in inserts	Datasheet	720In Stock	$0.42 $0.298 $0.24 $0.215 View $0.20 $0.194 $0.183 $0.179 $0.173	Min.: 1 Mult.: 1	Inserts	Threaded Insert	Aluminum		0.188 in	0.156 in		4-40
Mounting Fixings NUT,LOCKING NYLON,PEMHEX,STEEL PL-440-ZI PEM 1: $0.761 3,770In Stock	Mfr. Part No. PL-440-ZI Mouser Part No 153-PL-440-ZI	PEM	Mounting Fixings NUT,LOCKING NYLON,PEMHEX,STEEL	Datasheet	3,770In Stock	$0.761 $0.535 $0.428 $0.404 View $0.342 $0.327 $0.32 Quote	Min.: 1 Mult.: 1	Screws & Fasteners	Lock Nut						4-40
Mounting Fixings RIGHT ANGLE CLINCH NUT RAA4-9-6 PEM 1: $0.79 800In Stock	Mfr. Part No. RAA4-9-6 Mouser Part No 153-RAA4-9-6	PEM	Mounting Fixings RIGHT ANGLE CLINCH NUT	Datasheet	800In Stock	$0.79 $0.592 $0.461 $0.434 View $0.426 $0.411 $0.397 $0.383 $0.377	Min.: 1 Mult.: 1	Screws & Fasteners				0.187 in			4-40