Standoffs & Spacers – Mouser United Kingdom

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BSO/BSOA/BSOS/BSO4 Series Blind Standoffs

PEM BSO/BSOA/BSOS/BSO4 Series Blind Standoffs are self-clinching standoffs that are made from hardened stainless steel, ideal for clinching into stainless steel sheets. These self-clinching standoffs are pressed into round holes and are mounted permanently into metal sheets as thin as 0.025”/0.63mm. The BSO/BSOA/BSOS/BSO4 standoffs are ideal for applications where mounting, spacing, or stacking of panels, and boards or components are required.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Thread Size	Length	Material	Plating
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-6ZI PEM 1: £0.668 12,711In Stock	Mfr. Part No. BSO-M3-6ZI Mouser Part No 153-BSO-M3-6ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	12,711In Stock	£0.668 £0.478 £0.383 £0.345 View £0.32 £0.312 £0.293 £0.287 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	6 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-8ZI PEM 1: £0.736 10,978In Stock	Mfr. Part No. BSO-M4-8ZI Mouser Part No 153-BSO-M4-8ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	10,978In Stock	£0.736 £0.55 £0.429 £0.404 View £0.395 £0.382 £0.368 £0.356 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	8 mm	Steel	Zinc
Standoffs & Spacers STANDOFF,BLIND, 400 STAINLESS BSO4-M3-6 PEM 1: £0.788 4,119In Stock 10,000Expected 18/11/2026	Mfr. Part No. BSO4-M3-6 Mouser Part No 153-BSO4-M3-6	PEM	Standoffs & Spacers STANDOFF,BLIND, 400 STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	4,119In Stock 10,000Expected 18/11/2026	£0.788 £0.588 £0.457 £0.432 View £0.422 £0.419 £0.355	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	6 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-25 PEM 1: £1.48 2,752In Stock	Mfr. Part No. BSOS-M3-25 Mouser Part No 153-BSOS-M3-25	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	2,752In Stock	£1.48 £1.10 £0.856 £0.811 View £0.788 £0.766 £0.741 £0.715 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	25 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-10ZI PEM 1: £0.638 8,286In Stock	Mfr. Part No. BSO-M4-10ZI Mouser Part No 153-BSO-M4-10ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	8,286In Stock	£0.638 £0.458 £0.367 £0.346 View £0.292 £0.281 £0.275 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	10 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-6ZI PEM 1: £0.721 5,333In Stock	Mfr. Part No. BSO-M4-6ZI Mouser Part No 153-BSO-M4-6ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	5,333In Stock	£0.721 £0.539 £0.42 £0.395 View £0.387 £0.374 £0.361 £0.348 £0.343	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	6 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-440-10 PEM 1: £0.705 4,269In Stock	Mfr. Part No. BSOS-440-10 Mouser Part No 153-BSOS-440-10	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	4,269In Stock	£0.705 £0.501 £0.402 £0.361 View £0.335 £0.327 £0.308 £0.301 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#4-40	0.312 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-8 PEM 1: £0.705 14,341In Stock	Mfr. Part No. BSOS-M3-8 Mouser Part No 153-BSOS-M3-8	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	14,341In Stock	£0.705 £0.501 £0.402 £0.361 View £0.335 £0.327 £0.308 £0.301 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	8 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-032-12 PEM 1: £0.995 2,604In Stock	Mfr. Part No. BSOS-032-12 Mouser Part No 153-BSOS-032-12	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	2,604In Stock	£0.995 £0.743 £0.579 £0.546 View £0.533 £0.516 £0.498 £0.48 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#10-32	0.375 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-632-10 PEM 1: £0.623 6,500In Stock	Mfr. Part No. BSOS-632-10 Mouser Part No 153-BSOS-632-10	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	6,500In Stock	£0.623 £0.464 £0.362 £0.34 View £0.333 £0.322 £0.312 £0.30 £0.296	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#6-32	0.312 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-12 PEM 1: £0.743 7,872In Stock	Mfr. Part No. BSOS-M3-12 Mouser Part No 153-BSOS-M3-12	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	7,872In Stock	£0.743 £0.558 £0.435 £0.409 View £0.401 £0.388 £0.374 £0.361 £0.355	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	12 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-22 PEM 1: £1.46 1,985In Stock	Mfr. Part No. BSOS-M3-22 Mouser Part No 153-BSOS-M3-22	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	1,985In Stock	£1.46 £1.09 £0.849 £0.796 View £0.78 £0.751 £0.73 £0.705 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	22 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-6 PEM 1: £0.608 7,039In Stock	Mfr. Part No. BSOS-M3-6 Mouser Part No 153-BSOS-M3-6	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	7,039In Stock	£0.608 £0.458 £0.357 £0.336 View £0.329 £0.319 £0.307 £0.296 £0.292	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	6 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-20ZI PEM 1: £1.07 5,976In Stock	Mfr. Part No. BSO-M4-20ZI Mouser Part No 153-BSO-M4-20ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	5,976In Stock	£1.07 £0.796 £0.651 £0.553 View £0.548 £0.529 £0.511 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	20 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-440-12 PEM 1: £0.623 9,273In Stock	Mfr. Part No. BSOS-440-12 Mouser Part No 153-BSOS-440-12	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,273In Stock	£0.623 £0.462 £0.363 £0.308 View £0.298 £0.292	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#4-40	0.375 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-12ZI PEM 1: £0.713 7,037In Stock	Mfr. Part No. BSO-M4-12ZI Mouser Part No 153-BSO-M4-12ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	7,037In Stock	£0.713 £0.506 £0.405 £0.365 View £0.338 £0.329 £0.31 £0.303 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	12 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-440-14 PEM 1: £0.676 7,365In Stock	Mfr. Part No. BSOS-440-14 Mouser Part No 153-BSOS-440-14	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	7,365In Stock	£0.676 £0.501 £0.389 £0.368 View £0.359 £0.347 £0.335 £0.323 £0.319	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#4-40	0.437 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-632-12 PEM 1: £0.743 9,999In Stock	Mfr. Part No. BSOS-632-12 Mouser Part No 153-BSOS-632-12	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,999In Stock	£0.743 £0.553 £0.431 £0.406 View £0.396 £0.383 £0.37 £0.357 £0.351	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#6-32	0.375 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-632-24 PEM 1: £1.20 9,637In Stock	Mfr. Part No. BSOS-632-24 Mouser Part No 153-BSOS-632-24	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,637In Stock	£1.20 £0.899 £0.699 £0.659 View £0.644 £0.622 £0.601 £0.58 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#6-32	0.75 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M4-12 PEM 1: £0.969 6,698In Stock	Mfr. Part No. BSOS-M4-12 Mouser Part No 153-BSOS-M4-12	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	6,698In Stock	£0.969 £0.72 £0.56 £0.528 View £0.517 £0.499 £0.482 £0.464 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M4 x 0.7	12 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-18ZI PEM 1: £0.882 4,395In Stock	Mfr. Part No. BSO-M3-18ZI Mouser Part No 153-BSO-M3-18ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	4,395In Stock	£0.882 £0.657 £0.512 £0.482 £0.41	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	18 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M4-16ZI PEM 1: £0.803 6,836In Stock	Mfr. Part No. BSO-M4-16ZI Mouser Part No 153-BSO-M4-16ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	6,836In Stock	£0.803 £0.599 £0.466 £0.44 View £0.43 £0.416 £0.402 £0.388 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M4 x 0.7	16 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-20 PEM 1: £1.11 7,674In Stock	Mfr. Part No. BSOS-M3-20 Mouser Part No 153-BSOS-M3-20	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	7,674In Stock	£1.11 £0.834 £0.652 £0.554 View £0.553 £0.534 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	20 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-12ZI PEM 1: £0.661 9,562In Stock	Mfr. Part No. BSO-M3-12ZI Mouser Part No 153-BSO-M3-12ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,562In Stock	£0.661 £0.489 £0.381 £0.359 View £0.351 £0.339 £0.327 £0.315 £0.311	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	12 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-632-16 PEM 1: £0.803 9,557In Stock	Mfr. Part No. BSOS-632-16 Mouser Part No 153-BSOS-632-16	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,557In Stock	£0.803 £0.60 £0.467 £0.44 View £0.43 £0.416 £0.401 £0.387 £0.382	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#6-32	0.5 in	Stainless Steel	Passivated