Standoffs & Spacers – Mouser Guatemala

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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 5,905In 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	5,905In 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 M25 L:4MM SMTSOB-M25-4ET PEM 1: $1.31 10,852In Stock	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	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	SMT	M2.5	4 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M25 L:6MM SMTSOB-M25-6ET PEM 1: $1.35 10,333In Stock	Mfr. Part # SMTSOB-M25-6ET Mouser Part # 153-SMTSOB-M25-6ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M25 L:6MM Learn More about PEM smtsob sm fasteners	Datasheet	10,333In Stock	Cut Tape $1.35 $1.01 $0.782 Reel $0.737 $0.72 View $0.696 $0.672 $0.648 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2.5	6 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M2-6ET PEM 1: $1.63 12,168In Stock	Mfr. Part # SMTSOB-M2-6ET Mouser Part # 153-SMTSOB-M2-6ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	12,168In 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 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 4,391In Stock 3,700On Order	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	4,391In Stock 3,700On Order	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 8,251In 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	8,251In Stock 43,500On Order On Order Ship Dates Mfr. #: SMTSOB-M25-2ET Stock: 8,251 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 7,931In 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	7,931In 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 6,553In 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	6,553In 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 SMTSOB-256-8ET PEM 1: $1.56 10,319In Stock	Mfr. Part # SMTSOB-256-8ET Mouser Part # 153-SMTSOB-256-8ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,319In 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 SURFACE MOUNT STANDOFF, BRASS SMTSOB-4.2-2ET PEM 1: $1.29 8,603In Stock	Mfr. Part # SMTSOB-4.2-2ET Mouser Part # 153-SMTSOB-4.2-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, BRASS Learn More about PEM smtsob sm fasteners	Datasheet	8,603In Stock	Cut Tape $1.29 $0.96 $0.747 $0.704 Reel $0.689 View $0.665 $0.642 $0.619 Quote	Min.: 1 Mult.: 1 : 1,100	Standoffs	SMT		0.062 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M3 L:2MM SMTSOB-M3-2ET PEM 1: $1.01 29,727In Stock 13,500On 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	29,727In Stock 13,500On Order	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 M3 L:8MM SMTSOB-M3-8ET PEM 1: $1.46 8,387In Stock 10,125Expected 1/18/2027	Mfr. Part # SMTSOB-M3-8ET Mouser Part # 153-SMTSOB-M3-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:8MM Learn More about PEM smtsob sm fasteners	Datasheet	8,387In Stock 10,125Expected 1/18/2027	Cut Tape $1.46 $1.09 $0.852 Reel $0.803 $0.786 View $0.759 $0.733 $0.707 Quote MouseReel Available	Min.: 1 Mult.: 1 : 375	Standoffs	SMT	M3	8 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M4 L:2MM SMTSOB-M4-2ET PEM 1: $1.10 5,146In 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	5,146In Stock	Cut Tape $1.10 $0.828 $0.644 $0.607 Reel $0.594 View $0.574 $0.554 $0.535 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,100	Standoffs	SMT	M4	2 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M3 L:6MM SMTSOB-M3-6ET PEM 1: $1.41 7,747In Stock 23,400On 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	7,747In Stock 23,400On Order On Order Ship Dates Mfr. #: SMTSOB-M3-6ET Stock: 7,747 Can Ship Immediately On Order: 11,050 Expected 12/30/2026 12,350 Expected 3/1/2027 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 BRASS SMT STANDOFF 440 L=.250 SMTSOB-440-8ET PEM 1: $1.35 5,870In Stock	Mfr. Part # SMTSOB-440-8ET Mouser Part # 153-SMTSOB-440-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 440 L=.250 Learn More about PEM smtsob sm fasteners	Datasheet	5,870In Stock	Cut Tape $1.35 $1.01 $0.782 Reel $0.737 $0.72 View $0.696 $0.672 $0.648 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	4-40	0.25 in	Brass		Zinc	Reel, Cut Tape
Standoffs & Spacers SMTSOB-M4-3ET PEM 1: $1.69 10,012In Stock	Mfr. Part # SMTSOB-M4-3ET Mouser Part # 153-SMTSOB-M4-3ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,012In 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 SMTSOB-832-4ET PEM 1: $1.88 2,246In Stock 22,400On Order	Mfr. Part # SMTSOB-832-4ET Mouser Part # 153-SMTSOB-832-4ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	2,246In Stock 22,400On Order On Order Ship Dates Mfr. #: SMTSOB-832-4ET Stock: 2,246 Can Ship Immediately On Order: 11,200 Expected 12/9/2026 11,200 Expected 1/4/2027 Factory Lead-Time: 13 Weeks	Cut Tape $1.88 $1.40 $1.09 $1.03 Reel $1.01 View $0.978 $0.944 $0.91 Quote MouseReel Available	Min.: 1 Mult.: 1 : 800	Standoffs	SMT	8-32	0.125 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M3 L:3MM SMTSOB-M3-3ET PEM 1: $1.18 21,003In Stock 3,000On Order	Mfr. Part # SMTSOB-M3-3ET Mouser Part # 153-SMTSOB-M3-3ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF M3 L:3MM Learn More about PEM smtsob sm fasteners	Datasheet	21,003In Stock 3,000On Order	Cut Tape $1.18 $0.878 $0.691 Reel $0.587 $0.566 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	M3	3 mm	Brass		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF M3 L:4MM SMTSOB-M3-4ET PEM 1: $1.27 7,922In 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	7,922In 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 BRASS SMT STANDOFF 632 L:.0625 SMTSOB-632-4ET PEM 1: $1.25 6,296In 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	6,296In 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 16,696In Stock 15,000Expected 12/14/2026	Mfr. Part # SMTSOB-M2-2ET Mouser Part # 153-SMTSOB-M2-2ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	16,696In Stock 15,000Expected 12/14/2026	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 M2 L:4MM SMTSOB-M2-4ET PEM 1: $1.27 8,423In Stock 10,800Expected 12/30/2026	Mfr. Part # SMTSOB-M2-4ET Mouser Part # 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 12/30/2026	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	SMT	M2	4 mm				Reel, Cut Tape

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