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Zero backlash. One-piece metallic spring coupling. For little torque shaft connect.
Absorption of parallel, angular misalignments and shaft end-play by spring action.
Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required.
Specification:
Color: Silver Tone
Material: Aluminum alloy
Connection Diameter: 4mm to 6.35mm
Total Length: 25mm /0.98 inch
Outside Diameter : 19mm/ 0.75 inch
Package Content:
5 x Shaft coupling
Steve
Reviewed in the United States on September 28, 2022
I ordered a set of 4mm to 6.35mm couplers. According to my calipers, the inner diameters of the "6.35mm" side were:* 6.06 mm* 6.10 mm* 6.35 mm* 6.35 mm* 6.41 mmI also have a 1/4 in. to 1/4 in. coupler from McMaster Carr to use for comparison. (0.25 in. = 6.35mm) that measures exactly 6.35 mm; the "small" parts are visibly smaller.When tested on the 1/4 shaft (a potentiometer shaft), only the latter 3 fit (the McMaster fits too).The 4 mm side all measured between 4.03 mm and 4.06 mm; all of them fit the 4mm motor shaft for my application.Not sure if they accidentally packed some of the 4mm to 6mm parts instead of the right ones?Quality-wise, the parts feel very lightweight and are probably not very durable. Ok for gentle applications (I'm using w/ a motor with a stall torque below 2 kg.cm, should be fine).
nitro20
Reviewed in the United States on January 15, 2022
They conected the two shafts great..
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