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4 mm 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.
Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm SO-RTM3-4ZI PEM 1: $0.48 3,399In Stock New Product	Mfr. Part No. SO-RTM3-4ZI Mouser Part No 153-SO-RTM3-4ZI New Product	PEM	Standoffs & Spacers Thru Hole Threaded Standoffs M3x0.5 Self Clinching, Carbon Steel Zinc Plated, 4.8mm x 4mm Learn More about PEM so rt free running locking standoffs	Datasheet	3,399In Stock	$0.48 $0.347 $0.277 $0.25 View $0.232 $0.226 $0.213 $0.208 $0.201	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M2-4ET PEM 1: $1.19 36,748In Stock	Mfr. Part No. SMTSO-M2-4ET Mouser Part No 153-SMTSO-M2-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	36,748In Stock	Cut Tape $1.19 $0.89 $0.692 $0.653 Reel $0.639 View $0.617 $0.596 $0.575 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET SMTSO-M3-4ET PEM 1: $1.07 154,367In Stock 123,300Expected 27/01/2027	Mfr. Part No. SMTSO-M3-4ET Mouser Part No 153-SMTSO-M3-4ET	PEM	Standoffs & Spacers SMTSO, M3, THRU-HOLE, CRS, ET Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	154,367In Stock 123,300Expected 27/01/2027	Cut Tape $1.07 $0.803 $0.625 $0.589 Reel $0.576 View $0.557 $0.538 $0.519 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-4ET PEM 1: $1.18 29,989In Stock 23,400Expected 23/12/2026	Mfr. Part No. SMTSO-M25-4ET Mouser Part No 153-SMTSO-M25-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	29,989In Stock 23,400Expected 23/12/2026	Cut Tape $1.18 $0.876 $0.682 $0.643 Reel $0.628 View $0.607 $0.586 $0.565 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers R30 M3 x 4mm CIRCULAR CLEARANCE SPACER R30-6010402 Harwin 1: $0.79 4,645In Stock	Mfr. Part No. R30-6010402 Mouser Part No 855-R30-6010402	Harwin	Standoffs & Spacers R30 M3 x 4mm CIRCULAR CLEARANCE SPACER	Datasheet	4,645In Stock	$0.79 $0.67 $0.566 $0.466 View $0.438 $0.421 $0.41 $0.407 $0.395	Min.: 1 Mult.: 1
Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA MRPS-1.2MM-400 PEM 1: $2.34 741In Stock	Mfr. Part No. MRPS-1.2MM-400 Mouser Part No 153-MRPS-1.2MM-400	PEM	Screws & Fasteners SMOOTH FLOATING PIN SELF CLINCHING.157 L 1.2mm Pin DIA Learn More about PEM ghost magnetic release fasteners	Datasheet	741In Stock	$2.34 $1.79 $1.65 $1.47 View $1.37 $1.30 $1.25 $1.21 $1.17	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-4ET PEM 1: $1.72 12,114In Stock	Mfr. Part No. SMTSO-M4-4ET Mouser Part No 153-SMTSO-M4-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	12,114In Stock	Cut Tape $1.72 $1.29 $0.999 Reel $0.942 $0.92 View $0.89 $0.859 $0.828 Quote MouseReel Available	Min.: 1 Mult.: 1 : 675
Mounting Fixings HI-TORQUE INSERT, BRASS IUTB-M2 SI 1: $0.46 14,912In Stock	Mfr. Part No. IUTB-M2 Mouser Part No 153-IUTB-M2	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	14,912In Stock	$0.46 $0.332 $0.266 $0.239 View $0.222 $0.216 $0.204 $0.199 $0.192	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS SMT STANDOFF M2 L:4MM SMTSOB-M2-4ET PEM 1: $1.27 8,423In Stock 10,800Expected 30/12/2026	Mfr. Part No. SMTSOB-M2-4ET Mouser Part No 153-SMTSOB-M2-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M2 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	8,423In Stock 10,800Expected 30/12/2026	Cut Tape $1.27 $0.948 $0.738 $0.696 Reel $0.681 View $0.658 $0.635 $0.612 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF, STEEL SO-M4-4ZI PEM 1: $0.59 9,773In Stock	Mfr. Part No. SO-M4-4ZI Mouser Part No 153-SO-M4-4ZI	PEM	Standoffs & Spacers STANDOFF, STEEL Learn More about PEM so sos standoffs	Datasheet	9,773In Stock	$0.59 $0.416 $0.333 $0.30 View $0.278 $0.27 $0.254 $0.249 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM SMTSOB-M25-4ET PEM 1: $1.31 10,852In Stock	Mfr. Part No. SMTSOB-M25-4ET Mouser Part No 153-SMTSOB-M25-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	10,852In Stock	Cut Tape $1.31 $0.977 $0.76 $0.717 Reel $0.70 View $0.677 $0.653 $0.63 Quote	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF 400 SERIES STAINLESS SO4-M3-4 PEM 1: $0.80 10,056In Stock	Mfr. Part No. SO4-M3-4 Mouser Part No 153-SO4-M3-4	PEM	Standoffs & Spacers STANDOFF 400 SERIES STAINLESS	Datasheet	10,056In Stock	$0.80 $0.592 $0.461 $0.435 View $0.424 $0.41 $0.396 $0.382 $0.376	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-M3-4 PEM 1: $0.80 5,609In Stock	Mfr. Part No. SOS-M3-4 Mouser Part No 153-SOS-M3-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	5,609In Stock	$0.80 $0.564 $0.452 $0.407 View $0.377 $0.367 $0.345 $0.338 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, THIN HEAD, STEEL TSO-M3-400ZI PEM 1: $0.49 9,980In Stock	Mfr. Part No. TSO-M3-400ZI Mouser Part No 153-TSO-M3-400ZI	PEM	Standoffs & Spacers STANDOFF, THIN HEAD, STEEL	Datasheet	9,980In Stock	$0.49 $0.345 $0.277 $0.249 View $0.225 $0.224 $0.211 $0.207 $0.20	Min.: 1 Mult.: 1
Mounting Fixings INTERNAL THRD SPACER KNRL S/S STKC-M3-4 SI 1: $0.86 701In Stock	Mfr. Part No. STKC-M3-4 Mouser Part No 153-STKC-M3-4	SI	Mounting Fixings INTERNAL THRD SPACER KNRL S/S Learn More about SI molded in inserts	Datasheet	701In Stock	$0.86 $0.616 $0.493 $0.444 View $0.412 $0.401 $0.378 $0.37 Quote	Min.: 1 Mult.: 1
Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS STKB-M4-4 SI 1: $0.65 1,653In Stock	Mfr. Part No. STKB-M4-4 Mouser Part No 153-STKB-M4-4	SI	Mounting Fixings INTERNAL-THRD SPACR KNRL BRASS Learn More about SI molded in inserts	Datasheet	1,653In Stock	$0.65 $0.462 $0.37 $0.333 View $0.309 $0.301 $0.283 $0.277 Quote	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT, STAINLESS IUTC-M2 SI 1: $0.49 7,224In Stock	Mfr. Part No. IUTC-M2 Mouser Part No 153-IUTC-M2	SI	Mounting Fixings HI-TORQUE INSERT, STAINLESS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7,224In Stock	$0.49 $0.346 $0.277 $0.261 View $0.221 $0.212 $0.207 $0.20	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Jack Screw Precision Board Stacking Standoff JSO-0400-01 Samtec 1: $7.31 27In Stock	Mfr. Part No. JSO-0400-01 Mouser Part No 200-JSO-0400-01	Samtec	Standoffs & Spacers SureWare Jack Screw Precision Board Stacking Standoff	Datasheet	27In Stock	$7.31 $5.70 $5.22 $4.86 View $4.79 $4.56 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers PEM SMTSO-3.1-4ET SMTSO-3.1-4ET PEM 1: $1.24 8,846In Stock 31,500On Order	Mfr. Part No. SMTSO-3.1-4ET Mouser Part No 153-SMTSO-3.1-4ET	PEM	Standoffs & Spacers	Datasheet	8,846In Stock 31,500On Order On Order Ship Dates Mfr. No: SMTSO-3.1-4ET Stock: 8,846 Can Dispatch Immediately On Order: 13,500 Expected 18/11/2026 18,000 Expected 03/02/2027 Factory Lead Time: 13 Weeks	Cut Tape $1.24 $0.92 $0.717 $0.676 Reel $0.66 View $0.638 $0.616 $0.594 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM SMTSOB-M3-4ET PEM 1: $1.27 1,516In Stock 44,100On Order	Mfr. Part No. SMTSOB-M3-4ET Mouser Part No 153-SMTSOB-M3-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	1,516In Stock 44,100On Order On Order Ship Dates Mfr. No: SMTSOB-M3-4ET Stock: 1,516 Can Dispatch Immediately On Order: 18,000 Expected 10/02/2027 26,100 Expected 15/03/2027 Factory Lead Time: 20 Weeks	Cut Tape $1.27 $0.948 $0.738 $0.696 Reel $0.681 View $0.658 $0.635 $0.612 Quote MouseReel Available	Min.: 1 Mult.: 1 : 900
Standoffs & Spacers STANDOFF, STAINLESS SOS-3.5M3-4 PEM 1: $0.87 410In Stock	Mfr. Part No. SOS-3.5M3-4 Mouser Part No 153-SOS-3.5M3-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	410In Stock	$0.87 $0.652 $0.507 $0.478 View $0.468 $0.452 $0.436 $0.421 $0.415	Min.: 1 Mult.: 1
Mounting Fixings SYMMETRICAL FASTENER, THRU THREADED BRASS M2X0.4 MSIB-M2-400 SI 1: $0.25 4,881In Stock	Mfr. Part No. MSIB-M2-400 Mouser Part No 153-MSIB-M2-400	SI	Mounting Fixings SYMMETRICAL FASTENER, THRU THREADED BRASS M2X0.4 Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	4,881In Stock	$0.25 $0.177 $0.142 $0.127 View $0.118 $0.115 $0.108 $0.106 $0.102	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-M4-4 PEM 1: $1.00 172In Stock	Mfr. Part No. SOS-M4-4 Mouser Part No 153-SOS-M4-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	172In Stock	$1.00 $0.747 $0.582 $0.548 View $0.536 $0.518 $0.501 $0.483 $0.476	Min.: 1 Mult.: 1
Standoffs & Spacers THIN HEAD STANDOFF, 400 SS TSO4-M25-400 PEM 1: $0.80 150In Stock	Mfr. Part No. TSO4-M25-400 Mouser Part No 153-TSO4-M25-400	PEM	Standoffs & Spacers THIN HEAD STANDOFF, 400 SS	Datasheet	150In Stock	$0.80 $0.603 $0.47 $0.443 View $0.433 $0.419 $0.404 $0.39 $0.384	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT IUTA-M2 SI 1: $0.32 7,220In Stock	Mfr. Part No. IUTA-M2 Mouser Part No 153-IUTA-M2	SI	Mounting Fixings HI-TORQUE INSERT Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	7,220In Stock	$0.32 $0.221 $0.177 $0.166 View $0.141 $0.135 $0.132 $0.127	Min.: 1 Mult.: 1

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