LBTEK-Your Trusted Partner For Optoelectronic Experiments!

Product Description

Surface slot compatible with retaining ring key;
Available in 10 pieces per package;
SM05, SM1, SM1.5, SM2 available;

The retaining rings from LBTEK are precision-machined from 6061-T6 aluminum or 304 stainless steel with black anodized surface treatment, featuring symmetrical notches compatible with retaining ring key. These rings are specifically designed to secure optical components in SM screw thread using corresponding SM-sized retaining rings. Currently available in SM05, SM1, SM1.5, and SM2 models, they support the installation and fixation of optical components with diameters of Ø12.7 mm, Ø25.4 mm, Ø38.1 mm, and Ø50.8 mm respectively. The rings are offered in convenient 10-piece per packages. LBTEK also offers customerization for special surface treatments, sizes and tapped hole specifications. For specific requirements, please contact LBTEK Technical Support.

Attribute

Material6061-T6 aluminum alloy or 304 stainless steel

Surface treatmentBlack anodized

Optional modelsSM05，SM1，SM1.5，SM2

SM05 Retaining Ring

Material: 6061-T6 aluminum alloy or 304 stainless steel;
Surface treatment: Black anodized;
Secures Ø12.7mm optical components;
Available in packs of 10;

The SM05 retaining ring from LBTEK is manufactured from 6061-T6 aluminum alloy with a black anodized surface finish. The peripheral groove is compatible with OWR-05A retaining ring key for securing Ø12.7 mm optical components. Typically, two retaining rings are used in lens tubes or coaxial mounts, one for positional fixation and the other for firmly clamping the optical component.

The SM05R retaining ring is used for the fixed lens mount FLF05A.

Product Model	Clear Aperture	Material	Quantity	Unit Price	Lead Time
SM05RS-P5	Ø11.4 mm	304 stainless steel	5	$24.97	4 weeks
SM05R	Ø11.4 mm	6061-T6 aluminum alloy	1	$2.61	6 weeks
SM05R-P10	Ø11.4 mm	6061-T6 aluminum alloy	10	$23.66	4 weeks

SM1 Snap Ring

Material: 6061-T6 aluminum alloy or 304 stainless steel;
Surface treatment: Black anodized;
Secures Ø25.4 mm optical components;
Available in packs of 10;

The SM1 retaining ring from LBTEK is manufactured from 6061-T6 aluminum alloy with a black anodized surface finish. The peripheral groove is compatible with OWR-1A retaining ring key for securing Ø25.4 mm optical components. Typically, two retaining rings are used in lens tubes or coaxial mounts, one for positional fixation and the other for firmly clamping the optical component.

The SM1R retaining ring is used for the FLF1A fixed lens mount.

Product Model	Clear Aperture	Material	Thickness	Quantity	Unit Price	Lead Time
SM1RS-P5	Ø23.0 mm	304 stainless steel	2.0 mm	5	$33.73	4 weeks
SM1RT	Ø23.0 mm	6061-T6 aluminum alloy	5.0 mm	1	$10.07	4 weeks
SM1R	Ø23.0 mm	6061-T6 aluminum alloy	2.0 mm	1	$4.05	6 weeks
SM1R-P10	Ø23.0 mm	6061-T6 aluminum alloy	2.0 mm	10	$37	4 weeks

SM2 Retaining Ring

Material: 6061-T6 Aluminum Alloy;
Surface Treatment: Black Anodized;
Available in packs of 10;
Secures Ø50.8 mm optical components;

The SM2 retaining ring from LBTEK is manufactured from 6061-T6 aluminum alloy with a black anodized surface finish. The peripheral groove is compatible with OWR-2A retaining ring key for securing Ø50.8 mm optical components. Typically, two retaining rings are used in lens tubes or coaxial mounts, one for positional fixation and the other for firmly clamping the optical component.

The SM2R retaining ring is used for the fixed lens mount FLF2A.

	Product Model	Material	Quantity	Unit Price	Compare	Lead Time
	SM2R-P10	6061-T6 aluminum alloy	10	$52.82		4 weeks
	SM2R	6061-T6 aluminum alloy	1	$5.75		6 weeks

SM1.5 Retaining Ring

Material: 6061-T6 Aluminum Alloy;
Surface Treatment: Black Anodized;
Secures Ø38.1 mm Optical Components;
Available in Packs of 10;

The SM1.5 retaining ring from LBTEK is manufactured from 6061-T6 aluminum alloy with a black anodized surface finish. The peripheral groove is compatible with OWR-U adjustable key for securing Ø38.1 mm optical components. Typically, two retaining rings are used in lens tubes or coaxial mounts, one for positional fixation and the other for firmly clamping the optical component.

The SM1.5R retaining ring is used for the fixed lens mount FLF1.5A.

	Product Model	Material	Quantity	Unit Price	Compare	Lead Time
	SM1.5R-P10	6061-T6 aluminum alloy	10	$50.86		4 weeks
	SM1.5R	6061-T6 aluminum alloy	1	$5.75		6 weeks