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-M3-22ZI PEM 1: £0.943 4,710In Stock	Mfr. Part No. BSO-M3-22ZI Mouser Part No 153-BSO-M3-22ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	4,710In Stock	£0.943 £0.706 £0.55 £0.519 View £0.507 £0.491 £0.473 £0.457 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	22 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-6ZI PEM 1: £0.668 11,147In 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	11,147In 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, 400 STAINLESS BSO4-M3-6 PEM 1: £0.788 2,977In Stock 10,000Expected 25/11/2026	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	2,977In Stock 10,000Expected 25/11/2026	£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-M4-12 PEM 1: £0.969 6,590In 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	6,590In 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, STAINLESS BSOS-M5-8 PEM 1: £1.02 9,900In Stock	Mfr. Part No. BSOS-M5-8 Mouser Part No 153-BSOS-M5-8	PEM	Standoffs & Spacers STANDOFF, BLIND, STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	9,900In Stock	£1.02 £0.759 £0.595 £0.56 View £0.548 £0.529 £0.512 £0.493 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M5 x 0.8	8 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-25 PEM 1: £1.48 2,107In 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	2,107In 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, STAINLESS BSOS-440-12 PEM 1: £0.623 8,543In 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	8,543In 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, STAINLESS BSOS-440-10 PEM 1: £0.705 11,169In 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	11,169In 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, STEEL BSO-M3-18ZI PEM 1: £0.882 4,235In 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	4,235In 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 5,937In 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	5,937In 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 6,424In 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	6,424In 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 6,632In 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	6,632In Stock	£0.661 £0.489 £0.381 £0.369 View £0.313 £0.311	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	12 mm	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-8ZI PEM 1: £0.63 6,688In Stock	Mfr. Part No. BSO-M3-8ZI Mouser Part No 153-BSO-M3-8ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	6,688In Stock	£0.63 £0.474 £0.368 £0.347 View £0.34 £0.329 £0.317 £0.306 £0.301	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	8 mm	Steel	Zinc
Standoffs & Spacers STANDOFF,BLIND, 416 STAINLESS BSO4-M3-10 PEM 1: £0.811 26,792In Stock	Mfr. Part No. BSO4-M3-10 Mouser Part No 153-BSO4-M3-10	PEM	Standoffs & Spacers STANDOFF,BLIND, 416 STAINLESS Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	26,792In Stock	£0.811 £0.608 £0.473 £0.446 View £0.437 £0.421 £0.407 £0.393 £0.387	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3 x 0.5	10 mm	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-632-10 PEM 1: £0.623 6,050In 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	6,050In 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-632-16 PEM 1: £0.803 7,553In 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	7,553In Stock	£0.803 £0.60 £0.472 £0.401 View £0.387 £0.382	Min.: 1 Mult.: 1	Standoffs	Self Retaining	#6-32	0.5 in	Stainless Steel	Passivated
Standoffs & Spacers STANDOFF, BLIND, STAINLESS BSOS-M3-22 PEM 1: £1.46 1,907In 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	1,907In 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 6,575In 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	6,575In 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-M4-10ZI PEM 1: £0.638 7,956In 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	7,956In 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 5,123In 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	5,123In 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-632-12 PEM 1: £0.743 9,381In 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	9,381In 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 9,627In 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	9,627In 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, STEEL BSO-440-10ZI PEM 1: £0.608 8,550In Stock	Mfr. Part No. BSO-440-10ZI Mouser Part No 153-BSO-440-10ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	8,550In Stock	£0.608 £0.452 £0.352 £0.332 View £0.324 £0.313 £0.303 £0.292 £0.287	Min.: 1 Mult.: 1	Standoffs	Self Clinching	#4-40	0.312 in	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-632-12ZI PEM 1: £0.503 11,118In Stock	Mfr. Part No. BSO-632-12ZI Mouser Part No 153-BSO-632-12ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	11,118In Stock	£0.503 £0.357 £0.286 £0.258 View £0.238 £0.232 £0.218 £0.214 £0.207	Min.: 1 Mult.: 1	Standoffs	Self Clinching	#6-32	0.375 in	Steel	Zinc
Standoffs & Spacers STANDOFF, BLIND, STEEL BSO-M3-16ZI PEM 1: £0.863 8,785In Stock	Mfr. Part No. BSO-M3-16ZI Mouser Part No 153-BSO-M3-16ZI	PEM	Standoffs & Spacers STANDOFF, BLIND, STEEL Learn More about PEM bso bsoa bsos bso4 standoffs	Datasheet	8,785In Stock	£0.863 £0.643 £0.501 £0.472 View £0.463 £0.447 £0.432 £0.416 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	M3 x 0.5	16 mm	Steel	Zinc