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4-40 Hardware

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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.
Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG CAT2-0440-50L Sherex 1: $33.43 8In Stock New Product	Mfr. Part # CAT2-0440-50L Mouser Part # 153-CAT2-0440-50L New Product	Sherex	Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG	Datasheet	8In Stock	$33.43 $28.41 $26.86 $24.80 View $23.96 $22.93 $21.72 $20.92 Quote	Min.: 1 Mult.: 1
Mounting Hardware SMTRA440-9-6ET PEM 1: $2.17 17,546In Stock 20,100On Order	Mfr. Part # SMTRA440-9-6ET Mouser Part # 153-SMTRA440-9-6ET	PEM	Mounting Hardware Learn More about PEM smtra rangle fasteners	Datasheet	17,546In Stock 20,100On Order On Order Ship Dates Mfr. #: SMTRA440-9-6ET Stock: 17,546 Can Ship Immediately On Order: 900 Expected 11/2/2026 19,200 Expected 12/30/2026 Factory Lead-Time: 28 Weeks	Cut Tape $2.17 $1.62 $1.26 Reel $1.18 MouseReel Available	Min.: 1 Mult.: 1 : 300
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: $1.27 118,338In Stock 31,200On Order	Mfr. Part # SMTSO-440-12ET Mouser Part # 153-SMTSO-440-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	118,338In Stock 31,200On Order On Order Ship Dates Mfr. #: SMTSO-440-12ET Stock: 118,338 Can Ship Immediately On Order: 300 Pending 30,900 Expected 11/6/2026 Factory Lead-Time: 14 Weeks	Cut Tape $1.27 $0.95 $0.739 Reel $0.697 $0.682 View $0.659 $0.636 $0.613 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300
Mounting Hardware NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: $0.30 134,974In 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	134,974In 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 NUT, BROACHING, STAINLESS KFS2-440 PEM 1: $0.64 213,167In Stock	Mfr. Part # KFS2-440 Mouser Part # 153-KFS2-440	PEM	Mounting Hardware NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	213,167In Stock	$0.64 $0.46 $0.369 $0.332 View $0.308 $0.30 $0.282 $0.276 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: $0.85 186,925In Stock	Mfr. Part # SMTSO-440-2ET Mouser Part # 153-SMTSO-440-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	186,925In Stock	Cut Tape $0.85 $0.641 $0.499 $0.47 Reel $0.444 View $0.46 $0.429 $0.414 $0.408 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.09 56,445In Stock	Mfr. Part # SMTSO-440-4ET Mouser Part # 153-SMTSO-440-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	56,445In Stock	Cut Tape $1.09 $0.815 $0.634 $0.598 Reel $0.585 View $0.565 $0.546 $0.526 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: $1.30 97,361In Stock	Mfr. Part # SMTSO-440-8ET Mouser Part # 153-SMTSO-440-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	97,361In Stock	Cut Tape $1.30 $0.974 $0.758 Reel $0.715 $0.699 View $0.676 $0.653 $0.629 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650
Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES 19132 Vicor 1: $105.43 752In Stock	Mfr. Part # 19132 Mouser Part # 492-19132	Vicor	Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES	Datasheet	752In Stock	$105.43 $71.14	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-0715-01-01-02-N Samtec 1: $2.06 4,438In Stock	Mfr. Part # SO-0715-01-01-02-N Mouser Part # 200-SO0715010102N	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		4,438In Stock	$2.06 $1.49 $1.47 $1.46 View $1.14 $1.10 $1.07 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F R44-1001202 Harwin 1: $0.38 9,323In Stock	Mfr. Part # R44-1001202 Mouser Part # 855-R44-1001202	Harwin	Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F Learn More about Harwin hexagonal clearance spacers	Datasheet	9,323In Stock	$0.38 $0.32 $0.291 $0.28 View $0.275 $0.263 $0.254 $0.244 $0.236	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-1015-03-01-01 Samtec 1: $2.58 2,856In Stock	Mfr. Part # SO-1015-03-01-01 Mouser Part # 200-SO1015030101	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		2,856In Stock	$2.58 $2.09 $1.64 $1.54 View $1.51 Quote	Min.: 1 Mult.: 1
Mounting Hardware NUT, MINILOCK FEO-440-MD PEM 1: $0.97 6,703In Stock	Mfr. Part # FEO-440-MD Mouser Part # 153-FEO-440-MD	PEM	Mounting Hardware NUT, MINILOCK	Datasheet	6,703In Stock	$0.97 $0.688 $0.551 $0.496 View $0.421 $0.412 Quote	Min.: 1 Mult.: 1
Mounting Hardware NUT, MINI, NL FEX-440 PEM 1: $0.71 9,550In Stock	Mfr. Part # FEX-440 Mouser Part # 153-FEX-440	PEM	Mounting Hardware NUT, MINI, NL	Datasheet	9,550In Stock	$0.71 $0.502 $0.402 $0.362 View $0.335 $0.326 $0.307 $0.301 Quote	Min.: 1 Mult.: 1
Mounting Hardware PF52-440-0CN PEM 1: $2.85 4,955In Stock	Mfr. Part # PF52-440-0CN Mouser Part # 153-PF52-440-0CN	PEM	Mounting Hardware	Datasheet	4,955In Stock	$2.85 $2.64 $2.36 $2.22 View $2.13 $2.06 $1.99 $1.92 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers .420 MAL-FEM 6PCS 18159 Vicor 1: $12.52 197In Stock	Mfr. Part # 18159 Mouser Part # 492-18159	Vicor	Standoffs & Spacers .420 MAL-FEM 6PCS	Datasheet	197In Stock	$12.52 $11.60 $10.84 $10.59 View $10.23 $10.22 $10.19 Quote	Min.: 1 Mult.: 1
Mounting Hardware FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: $2.20 4,893In Stock	Mfr. Part # AC-440-1 Mouser Part # 153-AC-440-1	PEM	Mounting Hardware FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,893In Stock	$2.20 $1.65 $1.28 $1.21 View $1.17 $1.13 $1.09 $1.06 Quote	Min.: 1 Mult.: 1
Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S LAC-440-1MD PEM 1: $2.55 4,907In Stock	Mfr. Part # LAC-440-1MD Mouser Part # 153-LAC-440-1MD	PEM	Mounting Hardware FLOATER,ASSEMBLY,LOCKING,S/S	Datasheet	4,907In Stock	$2.55 $1.90 $1.50 $1.27 View Quote	Min.: 1 Mult.: 1
Mounting Hardware HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: $0.48 9,989In Stock	Mfr. Part # IUTFB-440 Mouser Part # 153-IUTFB-440	SI	Mounting Hardware 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 $0.222 $0.219 $0.206 $0.202 $0.195	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-4 PEM 1: $0.78 10,083In Stock	Mfr. Part # SOS-440-4 Mouser Part # 153-SOS-440-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,083In Stock	$0.78 $0.549 $0.44 $0.396 View $0.367 $0.357 $0.336 $0.329 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-6 PEM 1: $0.79 8,728In Stock	Mfr. Part # SOS-440-6 Mouser Part # 153-SOS-440-6	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	8,728In Stock	$0.79 $0.557 $0.446 $0.402 View $0.372 $0.362 $0.341 $0.334 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-6440-10 PEM 1: $0.95 10,284In Stock	Mfr. Part # SOS-6440-10 Mouser Part # 153-SOS-6440-10	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,284In Stock	$0.95 $0.703 $0.547 $0.516 View $0.504 $0.487 $0.47 $0.453 $0.447	Min.: 1 Mult.: 1
Mounting Hardware FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: $2.21 4,943In Stock	Mfr. Part # AC-440-2 Mouser Part # 153-AC-440-2	PEM	Mounting Hardware FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,943In Stock	$2.21 $1.65 $1.29 $1.21 View $1.17 $1.14 $1.10 $1.06 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel KFE-440-4ET PEM 1: $0.57 10,226In Stock	Mfr. Part # KFE-440-4ET Mouser Part # 153-KFE-440-4ET	PEM	Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	10,226In Stock	$0.57 $0.408 $0.326 $0.294 View $0.273 $0.265 $0.25 $0.245 $0.236	Min.: 1 Mult.: 1
Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel KFSE-440-8 PEM 1: $0.89 11,534In Stock	Mfr. Part # KFSE-440-8 Mouser Part # 153-KFSE-440-8	PEM	Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	11,534In Stock	$0.89 $0.664 $0.517 $0.487 View $0.477 $0.461 $0.445 $0.429 $0.422	Min.: 1 Mult.: 1

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