SKF Durable Soft Plastic and Phosphated Coated Medium Carbon Steel Hook Spanner 135-145 mm Jaw Capacity 386 mm HN 21-22

SKF HN 21-22 Hook Spanner is engineered from durable soft plastic and medium carbon steel with a phosphated coating, providing corrosion resistance and durability under harsh working conditions. This spanner features a jaw capacity ranging between 135 and 145 mm, and an overall tool length of 386 mm, designed specifically for tightening and loosening locknuts on industrial machinery and pipe fittings with notched fasteners.

The soft plastic handle is resistant to oil, grease, and dirt, assuring a secure grip and reducing direct metal-to-skin contact to minimize corrosion risk. The handle also incorporates a hole for easy hanging and storage when not in use. Its slim and optimized design allows accessibility in confined or tight spaces.

The hardened medium carbon steel body with black phosphate coating improves the tool's resistance to impact and corrosion, ensuring long-term service life and reliable performance in heavy-duty industrial environments.

The jaw has a tooth that securely clamps to notches or indents on fasteners, minimizing shaft damage and prolonging machine part lifespans. The size is clearly marked by laser engraving for quick recognition on site. Weighing about 1.21 kg, this hook spanner balances durability with ease of use.

This tool is highly suited to various industries including construction sites, domestic and industrial plumbing applications, chemical laboratories, and the oil and gas sector, where precision tightening or loosening is required without damaging equipment.

Durable soft plastic handle resists oils and grime. Medium carbon steel with black phosphate coating for corrosion resistance. Jaw capacity adjustable between 135 mm and 145 mm. Overall length is 386 mm with an ergonomic slim design.

Laser engraving marks product size clearly. Plastic handle designed for comfortable, safe grip and storage. Weight approximately 1.21 kg for robust handling. Minimizes risk of shaft and locknut damage during use. Applications include construction, plumbing, chemical labs, and oil and gas.

The SKF HN 21-22 hook spanner is an essential tool for industrial tightening and loosening tasks, combining durability with ergonomics for efficient and safe operation. It is part of SKF’s HN series designed to protect machine components while providing reliable performance.

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