Shaft Collars: Shaft collars are versatile components used to position, space, and secure parts on a shaft. They act as stops, locators and retainers for bearings, pulleys, gears, sprockets and other mounted assemblies. Compact and easy to install, collars are common in industrial, automation, agricultural and engineering applications. Types: Solid (Set‑Screw) Collars One‑piece design with set screws that tighten onto the shaft. Cost‑effective and compact; ideal when shaft end is accessible. Best for light‑duty locating; set screws can mark the shaft. Single‑Split (Clamp) Collars Single slit with clamping screws to tighten the collar around the shaft. Strong holding power without shaft damage; good for frequent adjustments. Slightly larger than solid collars but offers improved performance. Double‑Split (Two‑Piece) Collars Two halves that assemble around the shaft—fit without sliding from the end. Provides the most uniform clamp and highest holding capability. Ideal for larger diameters, retrofits, and precision alignment. Size Ranges: Available in both metric and imperial bores to suit most shaft types. Sizes below are typical stock ranges — check product pages for exact availability. Metric: typically 3 mm to 200 mm, depending on style. Imperial: typically 1/8" to 8", depending on style. Typical trends: Solid ~3–50 mm (1/8"–2"), Single‑split ~3–80 mm (1/8"–3"), Double‑split ~6–200 mm (1/4"–8"). Materials: 304 Stainless Steel Excellent corrosion resistance for wet, outdoor or hygiene‑critical environments. Common in food, pharmaceutical and marine applications; durable and low maintenance. Zinc‑Plated EN8 Steel Strong medium‑carbon steel with zinc plating for surface protection. Cost‑effective, rigid, and suited for general industrial use where extreme corrosion resistance is not required. How to Choose: Highest holding power: single‑split or double‑split collars. Installed machinery / retrofits: double‑split (no shaft‑end access required). Budget / simple locating: solid (set‑screw) collars. Corrosive or sanitary environments: 304 stainless steel. General industrial use: zinc‑plated EN8 steel. Frequent adjustment: use clamping styles to avoid shaft damage. Note: exact dimensions, tolerances and recommended tightening torques vary by manufacturer. Check the product datasheet on each product page for technical specifications. Part Number: WHCABU28Z Manufacturer: Unbranded Product Type: Solid Shaft Collar Shaft Size: 28mm
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