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Snap ring

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Product Description
  • Surface slot suitable for circlip wrench
  • Can be purchased in packs of 10
  • SM05, SM1, SM1.5, SM2, SM30 optional
LBTEK Retaining Rings are made from 6061-T6 aluminum alloy or 304 stainless steel, with a black anodized surface finish. The symmetrical slots are compatible with spanner wrenches. They are used in mechanical components with SM thread specifications to secure optical elements using retaining rings of the same specification. Currently, LBTEK offers five models of retaining rings: SM05, SM1, SM1.5, SM2, and SM30. They can meet customer needs for installing and securing optical elements with diameters of Ø12.7 mm, Ø25.4 mm, Ø38.1 mm, Ø50.8 mm, and Ø30 mm. They are available for purchase in packs of 10. LBTEK provides custom services for retaining rings with special surface treatments, dimensions, and thread specifications. If you have any requirements, please contact technical support.
Attributes
Material6061-T6 aluminum alloy or 304 stainless steel
Surface treatmentBlack anodized
Optional modelsSM05，SM1，SM1.5，SM2, SM30
Stress-Free Retaining Ring
  • Reduces installation stress on the clamped component
  • Compatible with optical mounts and lens tubes
  • Effectively prevents light leakage from the sides of optical elements
  • Five models available: SM05, SM1, SM1.5, SM2, SM3
        LBTEK stress-free retaining rings offer multiple thread specifications, covering standard SM05, SM1, SM1.5, SM2, and SM3 models to accommodate different optical component installation needs. The product features a nitrile rubber O-ring design. Compared to standard retaining rings, stress-free retaining rings require less force to secure optical components. This method effectively reduces stress damage on the optical component surface while achieving reliable optical sealing around the component, balancing protection and fixation stability.
        The retaining rings retain a dual-groove structure and are directly compatible with LBTEK's spanner wrenches, enabling convenient and efficient installation and removal. It should be noted that due to the built-in rubber O-ring, the clear aperture is slightly smaller than that of standard retaining rings. Actual selection can refer to the corresponding specifications. Additionally, since the O-ring is elastic and installed via compression, the actual thickness may vary by ±0.1 mm from the labeled thickness.

The stress-free retaining ring is installed on the fixed mounting bracket.

Product Model
Clear Aperture
Material
Thickness
File
Unit Price
Compare
Lead Time
SM05RSF Ø8.1 mm6061-T6 aluminum alloy3.9 mm
$13.98today
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SM1RSF Ø20.7 mm6061-T6 aluminum alloy3.9 mm
$16.58today
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SM1.5RSF Ø31mm6061-T6 aluminum alloy3.9 mm
$17.27today
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SM2RSF Ø42.7 mm6061-T6 aluminum alloy4.1 mm
$17.82today
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SM3RSF Ø64 mm6061-T6 aluminum alloy4.1 mm
$19.05today
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Aluminum alloy clamp ring
  • Material: 6061-T6 aluminum alloy
  • Surface Treatment: Black Anodized
  • Can secure optical components of 5 specifications.
  • Can be purchased in packs of 10.

LBTEK aluminum alloy retaining ring is made of 6061-T6 aluminum alloy with a black anodized surface finish. The surface slot is compatible with the OWR series Retaining Ring Spanner, and it secures a variety of Optical Components. Typically, two retaining rings are used in a Lens sleeve or coaxial plate to fix an Optical Component: one to set its position, and the other to clamp the Optical Component.

SM05R retaining ring for fixed Lens Mount FLF05A
Product Model
Thread specification
Quantity
Material
Applicable optical component size
File
Unit Price
Compare
Lead Time
SM1RT SM116061-T6 aluminum alloyØ25.4 mm
$10.55today
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SM1R SM11 个6061-T6 aluminum alloyØ25.4 mm
$4.25today
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SM1R-P10 SM110 pieces6061-T6 aluminum alloyØ25.4 mm
$38.79today
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SM1.5R-P10 SM1.5106061-T6 aluminum alloyØ38.1 mm
$53.31today
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SM1.5R SM1.51 piece6061-T6 aluminum alloyØ38.1 mm
$6.03today
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SM2R-P10 SM2106061-T6 aluminum alloyØ50.8 mm
$55.37today
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SM2R SM216061-T6 aluminum alloyØ50.8 mm
$6.03today
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SM05R SM0516061-T6 aluminum alloyØ12.7 mm
$2.74today
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SM05R-P10 SM05106061-T6 aluminum alloyØ12.7 mm
$24.81today
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SM30R SM3016061-T6 aluminum alloyØ30mm
$6.03today
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Stainless Steel Clamp Ring
  • Available in 304 stainless steel and 316L stainless steel.
  • Multiple thread specifications available
  • Can be purchased in packs of 5

LBTEK stainless steel snap rings are made of heat-treated 316L stainless steel and are designed to be used with MT High-Stability Kinematic Mirror Mounts, offering long-term alignment stability advantages over aluminum alloy snap rings. Available in multiple thread specifications, covering standard SM1, M30.5×0.5, SM2, and SM3 models to accommodate different Optical Components mounting requirements. The surface slot is compatible with the OWR-U adjustable wrench for convenient and efficient installation and removal. Available in packs of 5. For other thread specification custom requirements, please contact technical support.

SM30RS for MT-AMM30

Product Model
Thread specification
Quantity
Material
Applicable optical component size
File
Unit Price
Compare
Lead Time
SM30RS NewM30.5×0.51316L Stainless SteelØ30 mm
$11.65today
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SM30RS-P5 NewM30.5×0.55316L stainless steelØ30 mm
$52.49today
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SM01RS NewSM11316L Stainless SteelØ25.4 mm
$7.81today
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SM1RS-P5 SM15304 stainless steelØ25.4 mm
$35.36today
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SM2RS NewSM21316L Stainless SteelØ50.8 mm
$10.42today
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SM2RS-P5 NewSM25 pieces316L Stainless SteelØ50.8 mm
$46.87today
Add Cart
SM3RS NewSM31316L Stainless SteelØ76.2 mm
$13.84today
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SM3RS-P5 NewSM35 pieces316L Stainless SteelØ76.2 mm
$62.36today
Add Cart
SM05RS-P5 SM055304 stainless steelØ12.7 mm
$26.18today
Add Cart
SM05RS SM051304 Stainless SteelØ12.7 mm
$5.89today
Add Cart
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Building A6, Huanchuang Enterprise Plaza, Yuelu West Avenue, Yuelu District, Changsha, China

2103, Block A, Building 6, Shenzhen International Innovation Valley, Dashi Road 1, Nanshan District, Shenzhen, China

Email: support@lbtek.com

Tel: 400-060-6986 (Mon-Sun 9:00-18:00)

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