Performance: Tight and reliable connections ensure optimal performance Distance between flanges: 5mm Total length: 9mm Inner hole diameter: 39mm Order details include 1 piece of astronomical telescope spare parts Internal thread specification: M42 * 0.75mm (commonly known as T2 thread) Internal thread depth: 4mm External thread specification: M42 * 1mm External thread depth: 4mm
Performance: Tight and reliable connections ensure optimal performance Distance between flanges: 5mm Total length: 9mm Inner hole diameter: 39mm Order details include 1 piece of astronomical telescope spare parts Internal thread specification: M42 * 0.75mm (commonly known as T2 thread) Internal thread depth: 4mm External thread specification: M42 * 1mm External thread depth: 4mm
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