Standoffs & Spacers – Mouser Singapore

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CSS/CSOS Concealed-Head Standoffs

PEM CSS/CSOS Concealed-Head Standoffs ensure permanent mounting in metal sheets as thin as 0.062". These standoffs feature a fastener head that is locked securely in a blind milled hole and is built to withstand substantial loads. The concealed-head feature allows the side of the sheet opposite installation to remain smooth, ensuring secure placement without gaps or breaks. Little sheet preparation is required with these standoffs. Users can mill a blind hole to the recommended minimum depth, install the concealed-head standoffs using a hollow anvil and solid punch, place the head of the fastener in the hole, and insert using any standard press. PEM CSS/CSOS Stainless Steel Standoffs are suitable for various markets, including automotive, datacom, electric vehicles, medical, and industrial.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Type	Thread Size	Length	Material	Plating	Gender
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-M3-12 PEM 1: $2.26 2,184In Stock	Mfr. Part No. CSS-M3-12 Mouser Part No 153-CSS-M3-12	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	2,184In Stock	$2.26 $1.69 $1.31 $1.24 View $1.21 $1.17 $1.13 $1.09 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	0.75 in	Stainless Steel		Male
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-M3-4 PEM 1: $1.60 2,961In Stock	Mfr. Part No. CSS-M3-4 Mouser Part No 153-CSS-M3-4	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	2,961In Stock	$1.60 $1.20 $0.936 $0.883 View $0.864 $0.835 $0.805 $0.777 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	0.25 in
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-M3-6 PEM 1: $1.77 9,794In Stock	Mfr. Part No. CSS-M3-6 Mouser Part No 153-CSS-M3-6	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	9,794In Stock	$1.77 $1.31 $1.02 $0.962 View $0.94 $0.908 $0.877 $0.846 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	0.375 in	Stainless Steel	Zinc	Male
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-M3-10 PEM 1: $2.18 849In Stock	Mfr. Part No. CSS-M3-10 Mouser Part No 153-CSS-M3-10	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	849In Stock	$2.18 $1.63 $1.28 $1.09 View $1.05 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	0.625 in	Stainless Steel		Male
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-440-4 PEM 1: $1.89 483In Stock	Mfr. Part No. CSOS-440-4 Mouser Part No 153-CSOS-440-4	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	483In Stock	$1.89 $1.41 $1.11 $1.04 View $1.02 $0.985 $0.951 $0.918 Quote	Min.: 1 Mult.: 1	Standoffs	Self Clinching	4-40	6.4 mm	Stainless Steel
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-440-4 PEM 1: $1.70 315In Stock	Mfr. Part No. CSS-440-4 Mouser Part No 153-CSS-440-4	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	315In Stock	$1.70 $1.27 $0.99 $0.933 View $0.913 $0.883 $0.851 $0.821 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	4-40	0.25 in	Stainless Steel	Zinc	Male
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-440-3 PEM 1: $1.44 673In Stock	Mfr. Part No. CSS-440-3 Mouser Part No 153-CSS-440-3	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	673In Stock	$1.44 $1.08 $0.842 $0.793 View $0.775 $0.749 $0.724 $0.698 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	4-40		Stainless Steel	Zinc	Male
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-832-16 PEM 1: $3.45 256In Stock	Mfr. Part No. CSOS-832-16 Mouser Part No 153-CSOS-832-16	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	256In Stock	$3.45 $3.20 $2.86 $2.68 View $2.58 $2.50 $2.42 $2.33 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	8-32	25.4 mm	Stainless Steel
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-M3-6 PEM 1: $1.89 1,692In Stock	Mfr. Part No. CSOS-M3-6 Mouser Part No 153-CSOS-M3-6	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	1,692In Stock	$1.89 $1.41 $1.09 $1.03 $0.876	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	6 mm	Stainless Steel
Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS CSS-M3-8 PEM 1: $1.92 700Expected 7/10/2026	Mfr. Part No. CSS-M3-8 Mouser Part No 153-CSS-M3-8	PEM	Standoffs & Spacers STANDOFF,CONCEALED,STAINLESS Learn More about PEM css csos standoffs	Datasheet	700Expected 7/10/2026	$1.92 $1.43 $1.12 $1.06 View $1.03 $1.00 $0.964 $0.93 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	M3	0.5 in	Stainless Steel	Zinc	Male
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-M6-6 PEM 10,000: $2.12 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. CSOS-M6-6 Mouser Part No 153-CSOS-M6-6	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 10 Weeks	$2.12	Min.: 10,000 Mult.: 5,000	Standoffs	Self Retaining	M6	6 mm	Stainless Steel
Standoffs & Spacers CSOS-032-10 PEM 10,000: $2.50 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-10 Mouser Part No 153-CSOS-032-10	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.50	Min.: 10,000 Mult.: 5,000	Standoffs		10-32	0.625 in
Standoffs & Spacers CSOS-032-12 PEM 10,000: $2.68 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-12 Mouser Part No 153-CSOS-032-12	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.68	Min.: 10,000 Mult.: 5,000	Standoffs		10-32	0.75 in
Standoffs & Spacers CSOS-032-16 PEM 10,000: $3.07 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-16 Mouser Part No 153-CSOS-032-16	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$3.07	Min.: 10,000 Mult.: 5,000	Standoffs		10-32	1 in
Standoffs & Spacers CSOS-032-3 PEM 10,000: $1.88 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-3 Mouser Part No 153-CSOS-032-3	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$1.88 Quote Quote	Min.: 10,000 Mult.: 5,000	Standoffs		10-32
Standoffs & Spacers CSOS-032-4 PEM 10,000: $2.01 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-4 Mouser Part No 153-CSOS-032-4	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.01 Quote Quote	Min.: 10,000 Mult.: 5,000	Standoffs		10-32	0.25 in
Standoffs & Spacers CSOS-032-5 PEM 10,000: $2.15 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-5 Mouser Part No 153-CSOS-032-5	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.15	Min.: 10,000 Mult.: 5,000	Standoffs		10-32
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-032-6 PEM 10,000: $2.26 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-6 Mouser Part No 153-CSOS-032-6	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.26	Min.: 10,000 Mult.: 5,000	Standoffs	Self Retaining	10-32	9.5 mm	Stainless Steel
Standoffs & Spacers CSOS-032-8 PEM 10,000: $2.37 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-032-8 Mouser Part No 153-CSOS-032-8	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.37	Min.: 10,000 Mult.: 5,000	Standoffs		10-32	0.5 in
Standoffs & Spacers CSOS-0420-10 PEM 10,000: $2.67 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-10 Mouser Part No 153-CSOS-0420-10	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.67	Min.: 10,000 Mult.: 5,000	Standoffs		1/4-20	0.625 in
Standoffs & Spacers CSOS-0420-12 PEM 10,000: $3.28 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-12 Mouser Part No 153-CSOS-0420-12	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$3.28	Min.: 10,000 Mult.: 5,000	Standoffs		1/4-20	0.75 in
Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS CSOS-0420-16 PEM 10,000: $3.78 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-16 Mouser Part No 153-CSOS-0420-16	PEM	Standoffs & Spacers STANDOFF, CONCEALED, STAINLESS Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$3.78	Min.: 10,000 Mult.: 5,000	Standoffs	Self Retaining	1/4-20	25.4 mm	Stainless Steel
Standoffs & Spacers CSOS-0420-3 PEM 10,000: $2.01 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-3 Mouser Part No 153-CSOS-0420-3	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.01 Quote Quote	Min.: 10,000 Mult.: 5,000	Standoffs		1/4-20
Standoffs & Spacers CSOS-0420-4 PEM 10,000: $2.14 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-4 Mouser Part No 153-CSOS-0420-4	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.14	Min.: 10,000 Mult.: 5,000	Standoffs		1/4-20	0.25 in
Standoffs & Spacers CSOS-0420-5 PEM 10,000: $2.31 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. CSOS-0420-5 Mouser Part No 153-CSOS-0420-5	PEM	Standoffs & Spacers Learn More about PEM css csos standoffs	Datasheet	Non-Stocked Lead-Time 13 Weeks	$2.31	Min.: 10,000 Mult.: 5,000	Standoffs		1/4-20