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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 KFS2-440 PEM 1: $0.64 156,150In 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	156,150In Stock 88,000Expected 10/21/2026	$0.64 $0.46 $0.369 $0.332 View $0.308 $0.30 $0.282 $0.276 Quote	Min.: 1 Mult.: 1
Mounting Hardware SURFACE MOUNT HYBRID RETAINER SMTPR-6-1ET PEM 1: $2.80 58,607In 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	58,607In Stock	Cut Tape $2.80 $2.09 $1.62 Reel $1.53 $1.50 View $1.45 $1.40 Quote MouseReel Available	Min.: 1 Mult.: 1 : 400
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-M3-ET PEM 1: $0.29 181,801In Stock 156,520On Order	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	181,801In Stock 156,520On Order On Order Ship Dates Mfr. #: KF2-M3-ET Stock: 181,801 Can Ship Immediately On Order: 2,520 Pending 154,000 Expected 10/21/2026 Factory Lead-Time: 13 Weeks	$0.29 $0.211 $0.169 $0.152 View $0.141 $0.137 $0.129 $0.126 $0.122	Min.: 1 Mult.: 1
Mounting Hardware NUT, BROACHING, STAINLESS KFS2-M5 PEM 1: $0.88 49,928In 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	49,928In Stock	$0.88 $0.658 $0.512 $0.483 View $0.473 $0.457 $0.441 $0.425 $0.419	Min.: 1 Mult.: 1
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.30 149,794In 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	149,794In Stock	$0.30 $0.219 $0.175 $0.158 View $0.147 $0.142 $0.134 $0.131 $0.127	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-0420 SI 1: $1.21 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	$1.21 $0.898 $0.707 $0.60 View $0.579 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: $0.81 8,756In 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	8,756In Stock	$0.81 $0.575 $0.461 $0.434 View $0.368 $0.352 $0.345 Quote	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-032 SI 1: $0.78 10,803In Stock	Mfr. Part # NFPC-032 Mouser Part # 153-NFPC-032	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	10,803In Stock	$0.78 $0.581 $0.453 $0.427 View $0.416 $0.402 $0.389 $0.375 $0.369	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC INSERT, BRASS IUB-M3-1 SI 1: $0.22 33,198In Stock	Mfr. Part # IUB-M3-1 Mouser Part # 153-IUB-M3-1	SI	Mounting Hardware ULTRASONIC INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	33,198In Stock	$0.22 $0.159 $0.127 $0.115 View $0.106 $0.103 $0.098 $0.095 $0.092	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-832 SI 1: $0.37 A tariff of 8% may be applied if shipping to the United States. 13,267In 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	13,267In Stock	$0.37 $0.26 $0.208 $0.196 View $0.166 $0.159 $0.155 $0.15 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware POST MOLD FLANGE INSERT BRASS PFLB-M3-1 SI 1: $0.57 9,054In 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	9,054In Stock	$0.57 $0.402 $0.322 $0.303 View $0.257 $0.246 $0.241 $0.233	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-632 SI 1: $0.79 8,305In Stock	Mfr. Part # IUTC-632 Mouser Part # 153-IUTC-632	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	8,305In Stock	$0.79 $0.555 $0.445 $0.419 View $0.355 $0.34 $0.333 Quote	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-0420 SI 1: $1.04 A tariff of 38% may be applied if shipping to the United States. 13,181In Stock	Mfr. Part # NFPC-0420 Mouser Part # 153-NFPC-0420	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	13,181In Stock	$1.04 $0.782 $0.608 $0.574 View $0.561 $0.542 $0.524 $0.505 Quote A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-M4 SI 1: $1.06 A tariff of 8% may be applied if shipping to the United States. 8,335In 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	8,335In Stock	$1.06 $0.793 $0.617 $0.582 View $0.569 $0.55 $0.531 $0.512 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS 3.43X3.86 M3 THREAD ULTRASONIC HEAT STAKING DIAGONAL IUTB-M3-343 SI 1: $0.41 15,214In 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	15,214In Stock	$0.41 $0.291 $0.233 $0.209 View $0.194 $0.189 $0.178 $0.174 $0.168	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-M6 SI 1: $0.81 7,358In Stock	Mfr. Part # IUTB-M6 Mouser Part # 153-IUTB-M6	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7,358In Stock	$0.81 $0.575 $0.461 $0.434 View $0.368 $0.352 $0.345 Quote	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC,INSERT,STAINLESS IUCC-M5-2 SI 1: $1.00 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	$1.00 $0.743 $0.579 $0.545 View $0.533 $0.515 $0.497 $0.479 $0.472	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: $0.54 A tariff of 38% may be applied if shipping to the United States. 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	$0.54 $0.381 $0.305 $0.274 View $0.254 $0.247 $0.233 $0.228 $0.22 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware THERMOPLASTIC INSERT,STAINLESS NFPC-M5 SI 1: $0.97 9,400In Stock	Mfr. Part # NFPC-M5 Mouser Part # 153-NFPC-M5	SI	Mounting Hardware THERMOPLASTIC INSERT,STAINLESS Learn More about SI press in inserts	Datasheet	9,400In Stock	$0.97 $0.685 $0.548 $0.494 View $0.458 $0.445 $0.42 $0.41 Quote	Min.: 1 Mult.: 1
Mounting Hardware POST MOLD INSERT, BRASS PPB-M4-2 SI 1: $0.52 10,022In Stock	Mfr. Part # PPB-M4-2 Mouser Part # 153-PPB-M4-2	SI	Mounting Hardware POST MOLD INSERT, BRASS Learn More about SI press in inserts	Datasheet	10,022In Stock	$0.52 $0.369 $0.296 $0.266 View $0.244 $0.239 $0.226 $0.221 $0.213	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC INSERT, STAINLESS IUC-632-2 SI 1: $0.66 A tariff of 8% may be applied if shipping to the United States. 8,408In 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	8,408In Stock	$0.66 $0.464 $0.372 $0.335 View $0.31 $0.302 $0.284 $0.278 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTB-M3 SI 1: $0.37 A tariff of 8% may be applied if shipping to the United States. 64,005In 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	64,005In Stock	$0.37 $0.263 $0.21 $0.189 View $0.176 $0.171 $0.161 $0.158 $0.152 A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware ULTRASONIC INSERT, STAINLESS IUC-M2.5-1 SI 1: $0.70 A tariff of 8% may be applied if shipping to the United States. 10,444In Stock	Mfr. Part # IUC-M2.5-1 Mouser Part # 153-IUC-M2.5-1	SI	Mounting Hardware ULTRASONIC INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	10,444In Stock	$0.70 $0.492 $0.394 $0.355 View $0.329 $0.32 $0.301 $0.295 Quote A tariff of 8% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, STAINLESS IUTC-M6 SI 1: $1.32 A tariff of 38% may be applied if shipping to the United States. 9,133In Stock	Mfr. Part # IUTC-M6 Mouser Part # 153-IUTC-M6	SI	Mounting Hardware HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,133In Stock	$1.32 $0.978 $0.762 $0.718 View $0.701 $0.678 $0.655 $0.631 Quote A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTFB-M5 SI 1: $0.94 9,769In Stock	Mfr. Part # IUTFB-M5 Mouser Part # 153-IUTFB-M5	SI	Mounting Hardware HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,769In Stock	$0.94 $0.662 $0.53 $0.478 View $0.443 $0.43 $0.406 $0.397 Quote	Min.: 1 Mult.: 1