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Fastener Applications in Commercial ESS

PEM Fastener Applications in Commercial Energy Storage Systems (ESS) include fasteners for every component of a battery ESS. PEM fasteners are IP-rated for ingress protection and fully tested to protect electric vehicle (EV) components from the elements. The fasteners expand and contract to keep joints sealed after thermal expansion. PEM mechanical bolted joints are easy to disassemble and reassemble. Reliable current-conducting joints join busbars, handling high current loads while maintaining low electrical resistance. PEM fasteners are designed to join lighter-weight, dissimilar metals.

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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.
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-M5 PEM 1: $1.14 41,828In Stock	Mfr. Part # KFS2-M5 Mouser Part # 153-KFS2-M5	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	41,828In Stock	$1.14 $0.855 $0.666 $0.628 View $0.615 $0.594 $0.573 $0.553 $0.545	Min.: 1 Mult.: 1
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-M3-ET PEM 1: $0.377 156,212In Stock 154,000Expected 10/21/2026	Mfr. Part # KF2-M3-ET Mouser Part # 153-KF2-M3-ET	PEM	Mounting Hardware NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	156,212In Stock 154,000Expected 10/21/2026	$0.377 $0.274 $0.22 $0.198 View $0.183 $0.178 $0.168 $0.164 $0.159	Min.: 1 Mult.: 1
Screws & Fasteners SMT PF W/MATHREAD SMTPFLSM-M3-0ET PEM 1: $4.95 8,572In Stock 8,200Expected 12/2/2026	Mfr. Part # SMTPFLSM-M3-0ET Mouser Part # 153-SMTPFLSM-M3-0ET	PEM	Screws & Fasteners SMT PF W/MATHREAD Learn More about PEM smtpflsm captive panel screws	Datasheet	8,572In Stock 8,200Expected 12/2/2026	Cut Tape $4.95 $3.94 $3.64 $3.25 Reel $3.03 View $2.89 $2.76 $2.65 $2.56	Min.: 1 Mult.: 1 : 200
Mounting Hardware SURFACE MOUNT HYBRID RETAINER SMTPR-6-1ET PEM 1: $3.64 57,397In Stock	Mfr. Part # SMTPR-6-1ET Mouser Part # 153-SMTPR-6-1ET	PEM	Mounting Hardware SURFACE MOUNT HYBRID RETAINER Learn More about PEM smtpr reelfast fastner	Datasheet	57,397In Stock	Cut Tape $3.64 $2.72 $2.11 Reel $1.99 $1.95 View $1.89 $1.82 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-440 PEM 1: $0.832 130,025In Stock 88,000Expected 10/21/2026	Mfr. Part # KFS2-440 Mouser Part # 153-KFS2-440	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	130,025In Stock 88,000Expected 10/21/2026	$0.832 $0.598 $0.48 $0.432 View $0.40 $0.39 $0.367 $0.359 Quote	Min.: 1 Mult.: 1
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.39 139,039In 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	139,039In Stock	$0.39 $0.285 $0.228 $0.205 View $0.191 $0.185 $0.174 $0.17 $0.165	Min.: 1 Mult.: 1
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-M3 PEM 1: $0.806 63,325In Stock 140,000On Order	Mfr. Part # KFS2-M3 Mouser Part # 153-KFS2-M3	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	63,325In Stock 140,000On Order On Order Ship Dates Mfr. #: KFS2-M3 Stock: 63,325 Can Ship Immediately On Order: 38,000 Pending 102,000 Expected 11/30/2026 Factory Lead-Time: 13 Weeks	$0.806 $0.576 $0.462 $0.415 View $0.386 $0.374 $0.354 $0.346 Quote	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC INSERT, BRASS IUB-M3-2 SI 1: $0.338 188,812In Stock 12,674On Order	Mfr. Part # IUB-M3-2 Mouser Part # 153-IUB-M3-2	SI	Mounting Hardware ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	188,812In Stock 12,674On Order	$0.338 $0.231 $0.186 $0.174 View $0.147 $0.142 $0.138 $0.134	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-M4 SI 1: $1.38 6,535In Stock	Mfr. Part # IUTC-M4 Mouser Part # 153-IUTC-M4	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	6,535In Stock	$1.38 $1.03 $0.802 $0.757 View $0.74 $0.715 $0.69 $0.666 Quote	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-0420 SI 1: $1.35 11,081In Stock	Mfr. Part # NFPC-0420 Mouser Part # 153-NFPC-0420	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	11,081In Stock	$1.35 $1.02 $0.79 $0.746 View $0.729 $0.705 $0.681 $0.657 Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-0420 SI 1: $1.57 3,764In Stock	Mfr. Part # IUTC-0420 Mouser Part # 153-IUTC-0420	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	3,764In Stock	$1.57 $1.17 $0.919 $0.78 View $0.753 Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M3-343 SI 1: $1.05 8,586In Stock	Mfr. Part # IUTC-M3-343 Mouser Part # 153-IUTC-M3-343	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,586In Stock	$1.05 $0.748 $0.599 $0.564 View $0.478 $0.458 $0.449 Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-832 SI 1: $0.481 13,090In Stock	Mfr. Part # IUTB-832 Mouser Part # 153-IUTB-832	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	13,090In Stock	$0.481 $0.338 $0.27 $0.255 View $0.216 $0.207 $0.202 $0.195	Min.: 1 Mult.: 1
Mounting Hardware POST MOLD FLANGE INSERT BRASS PFLB-M3-1 SI 1: $0.741 8,454In Stock	Mfr. Part # PFLB-M3-1 Mouser Part # 153-PFLB-M3-1	SI	Mounting Hardware POST MOLD FLANGE INSERT BRASS Learn More about SI press in inserts	Datasheet	8,454In Stock	$0.741 $0.523 $0.419 $0.394 View $0.334 $0.32 $0.313 $0.303	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC INSERT, STAINLESS IUC-632-2 SI 1: $0.858 6,883In Stock	Mfr. Part # IUC-632-2 Mouser Part # 153-IUC-632-2	SI	Mounting Hardware ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	6,883In Stock	$0.858 $0.603 $0.484 $0.436 View $0.403 $0.393 $0.369 $0.361 Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-M3 SI 1: $0.481 60,741In Stock	Mfr. Part # IUTB-M3 Mouser Part # 153-IUTB-M3	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	60,741In Stock	$0.481 $0.342 $0.273 $0.246 View $0.229 $0.222 $0.209 $0.205 $0.198	Min.: 1 Mult.: 1
Mounting Hardware POST MOLD FLANGE INSERT BRASS PFLB-M5-1 SI 1: $0.962 8,296In Stock	Mfr. Part # PFLB-M5-1 Mouser Part # 153-PFLB-M5-1	SI	Mounting Hardware POST MOLD FLANGE INSERT BRASS Learn More about SI press in inserts	Datasheet	8,296In Stock	$0.962 $0.681 $0.546 $0.506 View $0.429 $0.417 $0.408 Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M3-343 SI 1: $0.533 14,714In Stock	Mfr. Part # IUTB-M3-343 Mouser Part # 153-IUTB-M3-343	SI	Mounting Hardware HI-TORQUE INSERT, BRASS 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	14,714In Stock	$0.533 $0.378 $0.303 $0.272 View $0.252 $0.246 $0.231 $0.226 $0.218	Min.: 1 Mult.: 1
Screws & Fasteners STUD, FLUSH, STAINLESS FHS-0420-8 PEM 1: $0.624 11,027In Stock	Mfr. Part # FHS-0420-8 Mouser Part # 153-FHS-0420-8	PEM	Screws & Fasteners STUD, FLUSH, STAINLESS Learn More about PEM fh fha fhs self clinching threaded studs	Datasheet	11,027In Stock	$0.624 $0.463 $0.421 $0.369 View $0.339 $0.321 $0.299 $0.294 $0.282	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M2-318 SI 1: $0.611 11,055In Stock	Mfr. Part # IUTB-M2-318 Mouser Part # 153-IUTB-M2-318	SI	Mounting Hardware HI-TORQUE INSERT, BRASS 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	11,055In Stock	$0.611 $0.433 $0.347 $0.312 View $0.282 $0.281 $0.265 $0.259 $0.25	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-M2.5 SI 1: $1.12 10,828In Stock	Mfr. Part # IUTC-M2.5 Mouser Part # 153-IUTC-M2.5	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10,828In Stock	$1.12 $0.793 $0.636 $0.572 View $0.53 $0.515 $0.486 $0.475 Quote	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-M4 SI 1: $1.04 11,196In Stock	Mfr. Part # NFPC-M4 Mouser Part # 153-NFPC-M4	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	11,196In Stock	$1.04 $0.772 $0.602 $0.567 View $0.554 $0.536 $0.516 $0.498 $0.491	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC,INSERT,STAINLESS IUCC-M5-2 SI 1: $1.30 9,496In Stock	Mfr. Part # IUCC-M5-2 Mouser Part # 153-IUCC-M5-2	SI	Mounting Hardware ULTRASONIC,INSERT,STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,496In Stock	$1.30 $0.966 $0.753 $0.709 View $0.693 $0.67 $0.646 $0.623 $0.614	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTC-M2-318 SI 1: $0.702 10,451In Stock	Mfr. Part # IUTC-M2-318 Mouser Part # 153-IUTC-M2-318	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS STEEL 3.18X3.07 M2 THREAD ULTRASONIC HEAT STAKING DIAGONAL Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10,451In Stock	$0.702 $0.495 $0.397 $0.356 View $0.33 $0.321 $0.303 $0.296 $0.286	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-M5 SI 1: $1.26 9,375In Stock	Mfr. Part # NFPC-M5 Mouser Part # 153-NFPC-M5	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	9,375In Stock	$1.26 $0.891 $0.712 $0.642 View $0.595 $0.579 $0.546 $0.533 Quote	Min.: 1 Mult.: 1