Standoffs & Spacers – Mouser Vietnam

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SMTSOB SM Fasteners

PEM SMTSOB SM Fasteners are suitable for applications that demand superior electrical / mechanical attachment points. These ReelFast® brass fasteners are available with threaded and unthreaded construction and are used to clench hardware, preventing loose hardware that can fall and short out sensitive electrical components. PEM SMTSOB SM Fasteners are marked with either "two-groove" or three-dimple" registered trademarks.

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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.	Product	Type	Thread Size	Length	Material	Outside Diameter	Plating	Packaging
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSOB-116-4ET PEM 1: $1.11 7,755In Stock	Mfr. Part # SMTSOB-116-4ET Mouser Part # 153-SMTSOB-116-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtsob sm fasteners	Datasheet	7,755In Stock	Cut Tape $1.11 $0.83 $0.646 $0.609 Reel $0.595 View $0.575 $0.556 $0.536 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT		0.125 in	Brass	0.116 in	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M3 L:6MM SMTSOB-M3-6ET PEM 1: $1.41 2,981In Stock 21,450On Order	Mfr. Part # SMTSOB-M3-6ET Mouser Part # 153-SMTSOB-M3-6ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:6MM Learn More about PEM smtsob sm fasteners	Datasheet	2,981In Stock 21,450On Order On Order Ship Dates Mfr. #: SMTSOB-M3-6ET Stock: 2,981 Can Ship Immediately On Order: 10,400 Expected 10/7/2026 11,050 Expected 12/23/2026 Factory Lead-Time: 20 Weeks	Cut Tape $1.41 $1.05 $0.82 Reel $0.773 $0.756 View $0.731 $0.706 $0.68 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M3	6 mm	Brass		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SMTSOB-256-8ET PEM 1: $1.56 10,489In Stock	Mfr. Part # SMTSOB-256-8ET Mouser Part # 153-SMTSOB-256-8ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,489In Stock	Cut Tape $1.56 $1.16 $0.907 Reel $0.855 $0.836 View $0.808 $0.78 $0.752 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	2-56	0.25 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M3 L:2MM SMTSOB-M3-2ET PEM 1: $1.01 22,949In Stock 26,600On Order	Mfr. Part # SMTSOB-M3-2ET Mouser Part # 153-SMTSOB-M3-2ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:2MM Learn More about PEM smtsob sm fasteners	Datasheet	22,949In Stock 26,600On Order On Order Ship Dates Mfr. #: SMTSOB-M3-2ET Stock: 22,949 Can Ship Immediately On Order: 1,500 Pending 24,000 Expected 9/23/2026 1,100 Expected 10/16/2026 Factory Lead-Time: 13 Weeks	Cut Tape $1.01 $0.758 $0.59 $0.556 Reel $0.526 View $0.544 $0.508 $0.489 $0.482 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	M3	2 mm	Brass		Tin	Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M4 L:2MM SMTSOB-M4-2ET PEM 1: $1.10 5,476In Stock	Mfr. Part # SMTSOB-M4-2ET Mouser Part # 153-SMTSOB-M4-2ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M4 L:2MM Learn More about PEM smtsob sm fasteners	Datasheet	5,476In Stock	Cut Tape $1.10 $0.828 $0.644 $0.607 Reel $0.594 View $0.574 $0.554 $0.535 Quote	Min.: 1 Mult.: 1 : 1,100	Standoffs	SMT	M4	2 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 632 L:.0625 SMTSOB-632-4ET PEM 1: $1.25 6,406In Stock 10,000Expected 2/24/2027	Mfr. Part # SMTSOB-632-4ET Mouser Part # 153-SMTSOB-632-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 632 L:.0625 Learn More about PEM smtsob sm fasteners	Datasheet	6,406In Stock 10,000Expected 2/24/2027	Cut Tape $1.25 $0.937 $0.729 $0.688 Reel $0.673 View $0.65 $0.628 $0.605 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	6-32	0.125 in				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M2-2ET PEM 1: $1.01 10,253In Stock 24,000On Order	Mfr. Part # SMTSOB-M2-2ET Mouser Part # 153-SMTSOB-M2-2ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,253In Stock 24,000On Order On Order Ship Dates Mfr. #: SMTSOB-M2-2ET Stock: 10,253 Can Ship Immediately On Order: 9,000 Expected 10/13/2026 15,000 Expected 12/7/2026 Factory Lead-Time: 20 Weeks	Cut Tape $1.01 $0.758 $0.59 $0.556 Reel $0.526 View $0.544 $0.508 $0.489 $0.482 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	M2	2 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM SMTSOB-M3-4ET PEM 1: $1.27 9,732In Stock 18,000Expected 2/10/2027	Mfr. Part # SMTSOB-M3-4ET Mouser Part # 153-SMTSOB-M3-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	9,732In Stock 18,000Expected 2/10/2027	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	SMT	M3	4 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers SMTSOB-M4-3ET PEM 1: $1.69 10,162In Stock	Mfr. Part # SMTSOB-M4-3ET Mouser Part # 153-SMTSOB-M4-3ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,162In Stock	Cut Tape $1.69 $1.26 $0.984 $0.928 Reel $0.908 View $0.877 $0.847 $0.817 Quote	Min.: 1 Mult.: 1 : 800	Standoffs	SMT	M4	3 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 143 L:.250 SMTSOB-143-8ET PEM 1: $1.19 9,355In Stock	Mfr. Part # SMTSOB-143-8ET Mouser Part # 153-SMTSOB-143-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 143 L:.250 Learn More about PEM smtsob sm fasteners	Datasheet	9,355In Stock	Cut Tape $1.19 $0.888 $0.692 Reel $0.652 $0.637 View $0.616 $0.594 $0.573 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.25 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, BRASS SMTSOB-3.6-6ET PEM 1: $1.26 9,500In Stock	Mfr. Part # SMTSOB-3.6-6ET Mouser Part # 153-SMTSOB-3.6-6ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, BRASS Learn More about PEM smtsob sm fasteners	Datasheet	9,500In Stock	Cut Tape $1.26 $0.934 $0.727 Reel $0.685 $0.67 View $0.647 $0.625 $0.602 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.187 in				Reel, Cut Tape
Standoffs & Spacers REELFAST BRASS SURFACE MOUNT NUT UNTHREADED 4mm SMTSOB-3.1-4ET PEM 1: $1.22 2,791In Stock 5,500Expected 10/7/2026	Mfr. Part # SMTSOB-3.1-4ET Mouser Part # 153-SMTSOB-3.1-4ET	PEM	Standoffs & Spacers REELFAST BRASS SURFACE MOUNT NUT UNTHREADED 4mm Learn More about PEM smtsob sm fasteners	Datasheet	2,791In Stock 5,500Expected 10/7/2026	Cut Tape $1.22 $0.916 $0.713 $0.672 Reel $0.658 View $0.636 $0.614 $0.592 Quote	Min.: 1 Mult.: 1 : 900		SMT						Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSOB-M25-2ET PEM 1: $1.02 8,920In Stock 43,500On Order	Mfr. Part # SMTSOB-M25-2ET Mouser Part # 153-SMTSOB-M25-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtsob sm fasteners	Datasheet	8,920In Stock 43,500On Order On Order Ship Dates Mfr. #: SMTSOB-M25-2ET Stock: 8,920 Can Ship Immediately On Order: 16,500 Expected 11/30/2026 27,000 Expected 2/24/2027 Factory Lead-Time: 20 Weeks	Cut Tape $1.02 $0.759 $0.591 $0.557 Reel $0.526 View $0.545 $0.508 $0.489 $0.482 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	M2.5	2 mm	Brass		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M25 L:3MM SMTSOB-M25-3ET PEM 1: $1.26 8,085In Stock	Mfr. Part # SMTSOB-M25-3ET Mouser Part # 153-SMTSOB-M25-3ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:3MM Learn More about PEM smtsob sm fasteners	Datasheet	8,085In Stock	Cut Tape $1.26 $0.942 $0.734 $0.691 Reel $0.676 View $0.654 $0.631 $0.609 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	M2.5	3 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M4-10ET PEM 1: $1.91 7,305In Stock 600On Order	Mfr. Part # SMTSOB-M4-10ET Mouser Part # 153-SMTSOB-M4-10ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	7,305In Stock 600On Order	Cut Tape $1.91 $1.43 $1.11 Reel $1.04 $1.02 View $0.986 $0.952 $0.918 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	M4	10 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM SMTSOB-M25-4ET PEM 1: $1.31 2,897In Stock 8,100Expected 10/6/2026	Mfr. Part # SMTSOB-M25-4ET Mouser Part # 153-SMTSOB-M25-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:4MM Learn More about PEM smtsob sm fasteners	Datasheet	2,897In Stock 8,100Expected 10/6/2026	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	SMT	M2.5	4 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M2-6ET PEM 1: $1.63 12,439In Stock	Mfr. Part # SMTSOB-M2-6ET Mouser Part # 153-SMTSOB-M2-6ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	12,439In Stock	Cut Tape $1.63 $1.22 $0.947 Reel $0.892 $0.872 View $0.843 $0.814 $0.785 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2	6 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M25 L:8MM SMTSOB-M25-8ET PEM 1: $1.49 9,615In Stock	Mfr. Part # SMTSOB-M25-8ET Mouser Part # 153-SMTSOB-M25-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:8MM Learn More about PEM smtsob sm fasteners	Datasheet	9,615In Stock	Cut Tape $1.49 $1.12 $0.865 Reel $0.814 $0.797 View $0.77 $0.743 $0.717 Quote	Min.: 1 Mult.: 1 : 375	Standoffs	SMT	M2.5	8 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-3.1-3ET PEM 1: $1.16 2,709In Stock	Mfr. Part # SMTSOB-3.1-3ET Mouser Part # 153-SMTSOB-3.1-3ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	2,709In Stock	Cut Tape $1.16 Reel $0.862 $0.79 View $0.74 $0.67	Min.: 1 Mult.: 1 : 1,000		SMT						Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 143 L:.125 SMTSOB-143-4ET PEM 1: $1.02 631In Stock	Mfr. Part # SMTSOB-143-4ET Mouser Part # 153-SMTSOB-143-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 143 L:.125 Learn More about PEM smtsob sm fasteners	Datasheet	631In Stock	Cut Tape $1.02 $0.766 $0.597 $0.562 Reel $0.55 View $0.532 $0.513 $0.495 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT		0.125 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 632 L:.0625 SMTSOB-632-2ET PEM 1: $0.99 926In Stock	Mfr. Part # SMTSOB-632-2ET Mouser Part # 153-SMTSOB-632-2ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 632 L:.0625 Learn More about PEM smtsob sm fasteners	Datasheet	926In Stock	Cut Tape $0.99 $0.744 $0.579 $0.546 Reel $0.516 View $0.534 $0.498 $0.481 $0.474	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	6-32	0.062 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF256 L=.125 SMTSOB-256-4ET PEM 1: $1.26 643In Stock 10,000Expected 11/18/2026	Mfr. Part # SMTSOB-256-4ET Mouser Part # 153-SMTSOB-256-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF256 L=.125 Learn More about PEM smtsob sm fasteners	Datasheet	643In Stock 10,000Expected 11/18/2026	Cut Tape $1.26 $0.942 $0.734 $0.691 Reel $0.676 View $0.654 $0.631 $0.609 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	2-56	0.125 in				Reel, Cut Tape
Standoffs & Spacers SMTSOB-4.2-10ET PEM 1: $1.37 867In Stock	Mfr. Part # SMTSOB-4.2-10ET Mouser Part # 153-SMTSOB-4.2-10ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	867In Stock	Cut Tape $1.37 $1.02 $0.796 Reel $0.75 $0.734 View $0.709 $0.685 $0.66 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT		0.312 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 116 L:.250 SMTSOB-116-8ET PEM 1: $1.18 550In Stock	Mfr. Part # SMTSOB-116-8ET Mouser Part # 153-SMTSOB-116-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 116 L:.250 Learn More about PEM smtsob sm fasteners	Datasheet	550In Stock	Cut Tape $1.18 $0.886 $0.69 Reel $0.65 $0.636 View $0.615 $0.594 $0.572 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.25 in		0.116 in		Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 440 L=.125 SMTSOB-440-4ET PEM 1: $1.28 2,173In Stock 10,000Expected 10/28/2026	Mfr. Part # SMTSOB-440-4ET Mouser Part # 153-SMTSOB-440-4ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 440 L=.125 Learn More about PEM smtsob sm fasteners	Datasheet	2,173In Stock 10,000Expected 10/28/2026	Cut Tape $1.28 $0.955 $0.744 $0.701 Reel $0.686 View $0.663 $0.64 $0.617 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	4-40	0.125 in	Brass		Zinc	Reel, Cut Tape

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