20pcs/Pack M4*5 Set Screw Pack Set for Timing Pulleys with 1pc Allen Key/Hex Wrench
$0.35
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Description: Set Screws are often used for holding a pulley, gear, or other parts from turning relative to a shaft. Do not have an external head. Drive system is a hexagon-shaped hole. Grade 12.9, GB80 Hexagon socket set screws with cup point. Material 45# carbon steel, for GT2 36 Teeth 5mm Bore and 8mm Bore Timing Pulleys.
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