15pcs Set Screw Collars 3mm Bore Shaft Collars, 8mm OD, Stainless Steel

Durable Construction: Made of stainless steel, high strength, strong locking force, anti-corrosion, and durability. Round bore collars are commonly used as positioners, spacers, stops, and bearing surfaces.Secure Shaft Attachment: Set screw collars are designed with a threaded hole and a set screw that tightens against the shaft, ensuring a secure attachment. This feature prevents slippage or movement of components during operation.Adjustable Positioning: These set screw collars adjust quickly and easily at any point on the drill bit slot, helping drill holes to the precise depth and preventing under and over-drilling.Versatile Applications: Widely used across different industries, including automotive, 3D printers, and RC airplane models.

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