BlackStar H200U21 - 200 Pitch QD Sprocket - 21 Tooth QD-SD "name": "What does the S8M

"name": "What does the S8M in 250-S8M-1840 mean

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"text": "The AA105 is rated for continuous operation from -22°F to 176°F

"name":"d3280-8m-25 Double Sided Timing Belt 8M 25mm x 3280mm OC"

BlackStar H200U21 - 200 Pitch QD Sprocket - 21 Tooth QD-SD "name": "What does the S8MThe BlackStar H200U21 is a 200 pitch QD roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Bushing (sold separately). Specifications Part Number H200U21 Chain Pitch 200 Number of Teeth 21 Bore Type Plain Bore Hub Style QD Bushing Required QD Bushing Strand Count