Standoffs & Spacers – Mouser South Africa

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SMTSO ReelFast Steel Nuts & Spacers/Standoffs

PEM SMTSO™ ReelFast® Steel Nuts and Spacers/Standoffs mount on PC boards in the same manner and at the same time as other surface-mount components, reducing product handling as well as the risk of board damage. The SMTSO modules simply become another board component. This process also results in faster assembly. They are available in a thread size as small as M1 / #0 to #80 and a minimum sheet thickness of 0.5mm / .020". PEM SMTSO ReelFast Steel Nuts and Spacers/Standoffs are RoHS compliant and are available in threaded or unthreaded versions.

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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, M2.5 SMTSO-M25-4ET PEM 1: $1.17 30,049In Stock 23,400Expected 2026/12/23	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	30,049In Stock 23,400Expected 2026/12/23	Cut Tape $1.17 $0.876 $0.683 $0.643 Reel $0.628 View $0.607 $0.586 $0.565 $0.557 MouseReel Available	Min.: 1 Mult.: 1 : 900	Standoffs	SMT	M2.5	4 mm	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.09 79,190In Stock	Mfr. Part No. SMTSO-440-4ET Mouser Part No 153-SMTSO-440-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	79,190In Stock	Cut Tape $1.09 $0.815 $0.634 $0.598 Reel $0.585 View $0.565 $0.547 $0.526 $0.518 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	4-40	0.125 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M25-10ET PEM 1: $1.55 26,599In Stock	Mfr. Part No. SMTSO-M25-10ET Mouser Part No 153-SMTSO-M25-10ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	26,599In Stock	Cut Tape $1.55 $1.16 $0.926 Reel $0.787 $0.773 View $0.745 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	M2.5	10 mm				Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-3.6-10ET PEM 1: $1.28 2,709In Stock 22,200On Order	Mfr. Part No. SMTSO-3.6-10ET Mouser Part No 153-SMTSO-3.6-10ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	2,709In Stock 22,200On Order On Order Ship Dates Mfr. No: SMTSO-3.6-10ET Stock: 2,709 Can Dispatch Immediately On Order: 10,200 Expected 2026/11/02 12,000 Expected 2026/12/23 Factory Lead Time: 13 Weeks	Cut Tape $1.28 $0.961 $0.748 Reel $0.705 $0.69 View $0.668 $0.644 $0.621 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Standoffs	SMT		0.312 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-4.2-6ET PEM 1: $1.40 4,424In Stock 21,500Expected 2026/11/02	Mfr. Part No. SMTSO-4.2-6ET Mouser Part No 153-SMTSO-4.2-6ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	4,424In Stock 21,500Expected 2026/11/02	Cut Tape $1.40 $1.03 $0.807 Reel $0.761 $0.745 View $0.72 $0.695 $0.67 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	Standoffs	SMT		0.187 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-3ET PEM 1: $1.81 4,452In Stock 10,400Expected 2026/12/30	Mfr. Part No. SMTSO-M4-3ET Mouser Part No 153-SMTSO-M4-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	4,452In Stock 10,400Expected 2026/12/30	Cut Tape $1.81 $1.35 $1.05 $0.996 Reel $0.975 View $0.941 $0.909 $0.876 Quote MouseReel Available	Min.: 1 Mult.: 1 : 800	Standoffs	SMT	M4	3 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-116-4ET PEM 1: $1.07 11,122In Stock 6,000Expected 2026/10/27	Mfr. Part No. SMTSO-116-4ET Mouser Part No 153-SMTSO-116-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	11,122In Stock 6,000Expected 2026/10/27	Cut Tape $1.07 $0.804 $0.626 $0.59 Reel $0.577 View $0.557 $0.538 $0.519 $0.511 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT		0.125 in	Steel	0.116 in	Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-4.2-2ET PEM 1: $1.30 16,046In Stock 13,200Expected 2026/12/28	Mfr. Part No. SMTSO-4.2-2ET Mouser Part No 153-SMTSO-4.2-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	16,046In Stock 13,200Expected 2026/12/28	Cut Tape $1.30 $0.976 $0.759 $0.716 Reel $0.70 View $0.677 $0.654 $0.63 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,100	Standoffs	SMT		0.062 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-632-4ET PEM 1: $1.17 17,977In Stock 31,000Expected 2026/11/25	Mfr. Part No. SMTSO-632-4ET Mouser Part No 153-SMTSO-632-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	17,977In Stock 31,000Expected 2026/11/25	Cut Tape $1.17 $0.886 $0.69 $0.65 Reel $0.636 View $0.615 $0.594 $0.572 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	6-32	0.125 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-116-12ET PEM 1: $1.14 10,896In Stock	Mfr. Part No. SMTSO-116-12ET Mouser Part No 153-SMTSO-116-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	10,896In Stock	Cut Tape $1.14 $0.857 $0.668 Reel $0.629 $0.615 View $0.594 $0.575 $0.554 $0.545	Min.: 1 Mult.: 1 : 300	Standoffs	SMT		0.375 in	Steel	0.116 in	Zinc	Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-3.6-6ET PEM 1: $1.13 19,481In Stock 119,950On Order	Mfr. Part No. SMTSO-3.6-6ET Mouser Part No 153-SMTSO-3.6-6ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	19,481In Stock 119,950On Order On Order Ship Dates Mfr. No: SMTSO-3.6-6ET Stock: 19,481 Can Dispatch Immediately On Order: 46,500 Expected 2026/10/28 73,450 Expected 2026/11/24 Factory Lead Time: 13 Weeks	Cut Tape $1.13 $0.839 $0.652 Reel $0.615 $0.601 View $0.582 $0.561 $0.541 $0.533 MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.187 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M1.4-3ET PEM 1: $0.97 9,171In Stock	Mfr. Part No. SMTSO-M1.4-3ET Mouser Part No 153-SMTSO-M1.4-3ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	9,171In Stock	Cut Tape $0.97 $0.726 $0.565 $0.533 Reel $0.504 View $0.521 $0.486 $0.469 $0.462 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Standoffs	SMT	M1.4	3 mm	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT NUT STANDOFF SPACER SMTSO-M2-10ET PEM 1: $1.49 15,521In Stock 11,400Expected 2026/11/02	Mfr. Part No. SMTSO-M2-10ET Mouser Part No 153-SMTSO-M2-10ET	PEM	Standoffs & Spacers SURFACE MOUNT NUT STANDOFF SPACER Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	15,521In Stock 11,400Expected 2026/11/02	Cut Tape $1.49 $1.11 $0.861 Reel $0.811 $0.793 View $0.766 $0.74 $0.713 Quote	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	M2	10 mm				Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M25-5ET PEM 1: $1.60 10,220In Stock 95,443On Order	Mfr. Part No. SMTSO-M25-5ET Mouser Part No 153-SMTSO-M25-5ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	10,220In Stock 95,443On Order On Order Ship Dates Mfr. No: SMTSO-M25-5ET Stock: 10,220 Can Dispatch Immediately On Order: 250 Pending 95,193 Expected 2026/10/28 Factory Lead Time: 14 Weeks	Cut Tape $1.60 $1.19 $0.926 $0.873 Reel $0.854 View $0.826 $0.797 $0.768 Quote MouseReel Available	Min.: 1 Mult.: 1 : 750	Standoffs	SMT	M2.5	5 mm				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-256-8ET PEM 1: $1.52 3,111In Stock 23,400On Order	Mfr. Part No. SMTSO-256-8ET Mouser Part No 153-SMTSO-256-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	3,111In Stock 23,400On Order On Order Ship Dates Mfr. No: SMTSO-256-8ET Stock: 3,111 Can Dispatch Immediately On Order: 12,350 Expected 2026/12/23 11,050 Expected 2026/12/30 Factory Lead Time: 13 Weeks	Cut Tape $1.52 $1.13 $0.883 Reel $0.833 $0.814 View $0.787 $0.761 $0.733 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	2-56	0.25 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-4.2-4ET PEM 1: $1.30 6,675In Stock	Mfr. Part No. SMTSO-4.2-4ET Mouser Part No 153-SMTSO-4.2-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	6,675In Stock	Cut Tape $1.30 $0.964 $0.75 Reel $0.707 $0.691 View $0.668 $0.645 $0.622 Quote	Min.: 1 Mult.: 1 : 675	Standoffs	SMT		0.125 in				Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT NUT STANDOFF SPACER SMTSO-4.2-8ET PEM 1: $1.43 10,262In Stock 13,125Expected 2027/02/08	Mfr. Part No. SMTSO-4.2-8ET Mouser Part No 153-SMTSO-4.2-8ET	PEM	Standoffs & Spacers SURFACE MOUNT NUT STANDOFF SPACER Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	10,262In Stock 13,125Expected 2027/02/08	Cut Tape $1.43 $1.07 $0.836 Reel $0.789 $0.771 View $0.745 $0.719 $0.693 Quote MouseReel Available	Min.: 1 Mult.: 1 : 375	Standoffs	SMT		0.25 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-632-8ET PEM 1: $1.27 10,341In Stock 10,400Expected 2026/11/30	Mfr. Part No. SMTSO-632-8ET Mouser Part No 153-SMTSO-632-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	10,341In Stock 10,400Expected 2026/11/30	Cut Tape $1.27 $0.949 $0.74 Reel $0.697 $0.682 View $0.659 $0.636 $0.613 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	6-32	0.25 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-2ET PEM 1: $0.88 34,626In Stock 100,500Expected 2026/11/25	Mfr. Part No. SMTSO-M25-2ET Mouser Part No 153-SMTSO-M25-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	34,626In Stock 100,500Expected 2026/11/25	Cut Tape $0.88 $0.663 $0.516 $0.486 Reel $0.461 View $0.476 $0.444 $0.428 $0.422 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	M2.5	2 mm	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 SMTSO-M25-8ET PEM 1: $1.36 18,498In Stock	Mfr. Part No. SMTSO-M25-8ET Mouser Part No 153-SMTSO-M25-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, M2.5 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	18,498In Stock	Cut Tape $1.36 $1.02 $0.794 Reel $0.749 $0.733 View $0.708 $0.684 $0.659 Quote MouseReel Available	Min.: 1 Mult.: 1 : 375	Standoffs	SMT	M2.5	8 mm	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-143-8ET PEM 1: $1.11 3,225In Stock 10,400Expected 2026/11/30	Mfr. Part No. SMTSO-143-8ET Mouser Part No 153-SMTSO-143-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	3,225In Stock 10,400Expected 2026/11/30	Cut Tape $1.11 $0.833 $0.648 Reel $0.611 $0.597 View $0.577 $0.557 $0.538 $0.53 MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.25 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-3.6-2ET PEM 1: $1.10 15,169In Stock	Mfr. Part No. SMTSO-3.6-2ET Mouser Part No 153-SMTSO-3.6-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	15,169In Stock	Cut Tape $1.10 $0.826 $0.642 $0.606 Reel $0.573 View $0.592 $0.554 $0.533 $0.526 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT		0.062 in				Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-M4-8ET PEM 1: $1.67 15,334In Stock	Mfr. Part No. SMTSO-M4-8ET Mouser Part No 153-SMTSO-M4-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	15,334In Stock	Cut Tape $1.67 $1.26 $0.973 Reel $0.916 $0.897 View $0.866 $0.837 $0.807 Quote	Min.: 1 Mult.: 1 : 375	Standoffs	SMT	M4	8 mm				Reel, Cut Tape
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-080-4ET PEM 1: $0.961 8,200In Stock 14,000Expected 2027/03/22	Mfr. Part No. SMTSO-080-4ET Mouser Part No 153-SMTSO-080-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	8,200In Stock 14,000Expected 2027/03/22	Cut Tape $0.961 $0.716 $0.558 $0.526 Reel $0.497 View $0.514 $0.48 $0.463 $0.456 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Standoffs	SMT	0-80	0.125 in	Steel		Zinc	Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-116-8ET PEM 1: $1.13 16,574In Stock 18,850Expected 2026/11/25	Mfr. Part No. SMTSO-116-8ET Mouser Part No 153-SMTSO-116-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	16,574In Stock 18,850Expected 2026/11/25	Cut Tape $1.13 $0.847 $0.659 Reel $0.621 $0.608 View $0.587 $0.568 $0.547 $0.54 MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT		0.25 in	Steel	0.116 in	Zinc	Reel, Cut Tape, MouseReel

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