Standoffs & Spacers – Mouser Peru

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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 (PEN) 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: S/4.32 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 S/4.32 S/3.23 S/2.51 S/2.37 Reel S/2.32 View S/2.24 S/2.16 S/2.09 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: S/5.10 10,872In 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	10,872In Stock	Cut Tape S/5.10 S/3.80 S/2.96 S/2.79 Reel S/2.72 View S/2.64 S/2.54 S/2.45 Quote	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M2.5	4 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 143 L:.250 SMTSOB-143-8ET PEM 1: S/4.63 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 S/4.63 S/3.46 S/2.69 Reel S/2.54 S/2.48 View S/2.40 S/2.31 S/2.23 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: S/4.90 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 S/4.90 S/3.64 S/2.83 Reel S/2.67 S/2.61 View S/2.52 S/2.43 S/2.34 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.187 in				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M2-6ET PEM 1: S/6.34 12,425In Stock	Mfr. Part # SMTSOB-M2-6ET Mouser Part # 153-SMTSOB-M2-6ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	12,425In Stock	Cut Tape S/6.34 S/4.75 S/3.69 Reel S/3.47 S/3.39 View S/3.28 S/3.17 S/3.06 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2	6 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-256-8ET PEM 1: S/6.07 10,439In Stock	Mfr. Part # SMTSOB-256-8ET Mouser Part # 153-SMTSOB-256-8ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	10,439In Stock	Cut Tape S/6.07 S/4.52 S/3.53 Reel S/3.33 S/3.25 View S/3.15 S/3.04 S/2.93 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: S/5.02 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 S/5.02 S/3.74 S/2.91 S/2.74 Reel S/2.68 View S/2.59 S/2.50 S/2.41 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: S/3.93 19,545In Stock 25,500On 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	19,545In Stock 25,500On Order	Cut Tape S/3.93 S/2.95 S/2.30 S/2.16 Reel S/2.05 View S/2.12 S/1.98 S/1.90 S/1.88 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: S/4.28 5,276In 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	5,276In Stock	Cut Tape S/4.28 S/3.22 S/2.51 S/2.36 Reel S/2.31 View S/2.23 S/2.16 S/2.08 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:3MM SMTSOB-M3-3ET PEM 1: S/4.59 20,586In 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	20,586In Stock 3,000On Order	Cut Tape S/4.59 S/3.42 S/2.69 Reel S/2.28 S/2.20 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: S/4.94 7,932In 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	7,932In Stock 18,000Expected 2/10/2027	Cut Tape S/4.94 S/3.69 S/2.87 S/2.71 Reel S/2.65 View S/2.56 S/2.47 S/2.38 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: S/4.87 6,386In 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	6,386In Stock 10,000Expected 2/24/2027	Cut Tape S/4.87 S/3.65 S/2.84 S/2.68 Reel S/2.62 View S/2.53 S/2.44 S/2.35 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	6-32	0.125 in				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M2-2ET PEM 1: S/3.93 19,253In Stock 15,000Expected 12/7/2026	Mfr. Part # SMTSOB-M2-2ET Mouser Part # 153-SMTSOB-M2-2ET	PEM	Standoffs & Spacers Learn More about PEM smtsob sm fasteners	Datasheet	19,253In Stock 15,000Expected 12/7/2026	Cut Tape S/3.93 S/2.95 S/2.30 S/2.16 Reel S/2.05 View S/2.12 S/1.98 S/1.90 S/1.88 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: S/4.94 8,423In Stock 10,800Expected 12/23/2026	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 12/23/2026	Cut Tape S/4.94 S/3.69 S/2.87 S/2.71 Reel S/2.65 View S/2.56 S/2.47 S/2.38 Quote	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M2	4 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 440 L=.250 SMTSOB-440-8ET PEM 1: S/5.25 6,070In 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	6,070In Stock	Cut Tape S/5.25 S/3.93 S/3.04 Reel S/2.87 S/2.80 View S/2.71 S/2.62 S/2.52 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: S/6.58 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 S/6.58 S/4.90 S/3.83 S/3.61 Reel S/3.53 View S/3.41 S/3.30 S/3.18 Quote	Min.: 1 Mult.: 1 : 800	Standoffs	SMT	M4	3 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M25 L:6MM SMTSOB-M25-6ET PEM 1: S/5.25 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 S/5.25 S/3.93 S/3.04 Reel S/2.87 S/2.80 View S/2.71 S/2.62 S/2.52 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M2.5	6 mm				Reel, Cut Tape
Standoffs & Spacers REELFAST BRASS SURFACE MOUNT NUT UNTHREADED 4mm SMTSOB-3.1-4ET PEM 1: S/4.75 2,591In Stock 5,500Expected 10/14/2026	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	2,591In Stock 5,500Expected 10/14/2026	Cut Tape S/4.75 S/3.57 S/2.78 S/2.62 Reel S/2.56 View S/2.48 S/2.39 S/2.30 Quote	Min.: 1 Mult.: 1 : 900		SMT						Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSOB-M25-2ET PEM 1: S/3.97 8,553In 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	8,553In Stock 43,500On Order On Order Ship Dates Mfr. #: SMTSOB-M25-2ET Stock: 8,553 Can Ship Immediately On Order: 16,500 Expected 11/30/2026 27,000 Expected 2/24/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/3.97 S/2.95 S/2.30 S/2.17 Reel S/2.05 View S/2.12 S/1.98 S/1.90 S/1.88 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: S/4.90 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 S/4.90 S/3.67 S/2.86 S/2.69 Reel S/2.63 View S/2.55 S/2.46 S/2.37 Quote	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	M2.5	3 mm				Reel, Cut Tape
Standoffs & Spacers SMTSOB-M4-10ET PEM 1: S/7.43 6,765In 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	6,765In Stock 600On Order	Cut Tape S/7.43 S/5.57 S/4.32 Reel S/4.05 S/3.97 View S/3.84 S/3.71 S/3.57 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	M4	10 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M25 L:8MM SMTSOB-M25-8ET PEM 1: S/5.80 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 S/5.80 S/4.36 S/3.37 Reel S/3.17 S/3.10 View S/3.00 S/2.89 S/2.79 Quote	Min.: 1 Mult.: 1 : 375	Standoffs	SMT	M2.5	8 mm				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF 632 L:.0625 SMTSOB-632-2ET PEM 1: S/3.85 905In 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	905In Stock	Cut Tape S/3.85 S/2.90 S/2.25 S/2.13 Reel S/2.01 View S/2.08 S/1.94 S/1.87 S/1.85	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	6-32	0.062 in				Reel, Cut Tape
Standoffs & Spacers BRASS SMT STANDOFF M3 L:6MM SMTSOB-M3-6ET PEM 1: S/5.49 1,400In 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	1,400In Stock 21,450On Order On Order Ship Dates Mfr. #: SMTSOB-M3-6ET Stock: 1,400 Can Ship Immediately On Order: 10,400 Expected 10/14/2026 11,050 Expected 12/23/2026 Factory Lead-Time: 20 Weeks	Cut Tape S/5.49 S/4.09 S/3.19 Reel S/3.01 S/2.94 View S/2.85 S/2.75 S/2.65 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	M3	6 mm	Brass		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers BRASS SMT STANDOFF 116 L:.250 SMTSOB-116-8ET PEM 1: S/4.59 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 S/4.59 S/3.45 S/2.69 Reel S/2.53 S/2.48 View S/2.39 S/2.31 S/2.23 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.25 in		0.116 in		Reel, Cut Tape

SMTSOB SM Fasteners

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