CSM Series CSM2-1 CSM2-2 Lens Tube Connector Tube Adapter Threaded Connector SM2 To SM1 Assembly Tube Optics
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CSM Series CSM2-1 CSM2-2 Lens Tube Connector Tube Adapter Threaded Connector SM2 To SM1 Assembly Tube Optics

$28.84
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  Product information   Model CSM1-1 CSM2-1 CSM2-1B CSM2-2 Specification 31.7*19.4mm 56.0mm*18.0mm 56.0mm*14.80mm 56.0mm*23.9mm Thread length 3.2mm at one end ,11.6mm at the other end SM1 at one end ,SM2 at the other end SM1 at one end ,SM2 at the other end 3.0mm at one end, 17.7mm at the other end Thread type SM1 (1.035"-40) external thread SM1 (1.035"-40)/SM2 (2.035"-40) external thread SM1 internal thread, SM2 external thread SM2 (1.035"-40) external thread Weight 10.0g 25.0g 30.0g 29.5g Material #7075 Aluminum alloy     Optical commonly used thread size standard   This is the unique thread of Thorlabs in the United States, not the commonly used optical thread. SM is the code for the thread of the sewing machine in terms of thread expression, but this company in the United States uses it to connect the internal and external threads of the optical lens and the sleeve. The nature of the thread is UNS, and the Uni

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