Hex key set Bondhus BO69699 — 9-piece 1.5–10 mm, extra-long ball-end hex keys

Bondhus BO69699 is a 9-piece hex key set containing metric sizes 1.5–10 mm in extra-long lengths with ball-end tips. The long shanks provide extended reach and added leverage, while the ball ends allow access to hex fasteners at angles of up to approximately 25°, making the set suitable for work in confined or obstructed spaces. The set is designed for repeated use in mechanical maintenance, assembly and repair tasks where reach and angled entry are required.

Advantages

The extra-long shafts deliver increased reach and mechanical advantage compared with standard-length hex keys, reducing the need to disassemble surrounding components to reach fasteners. Ball-end tips permit angled insertion up to roughly 25°, enabling faster engagement of fasteners in awkward positions. Manufactured to consistent metric sizes, the set supports accurate torque transfer and minimizes rounding of hex sockets when used appropriately.

Suitable for

• Mechanical maintenance and equipment servicing
• Assembly of furniture, fixtures and machinery
• Repair of bicycles, small engines and appliances
• Accessing fasteners in tight, recessed or obstructed areas

Key specifications

• Set composition: 9 hex keys
• Sizes included: 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm
• Length: extra-long shanks for extended reach
• Tip type: ball-end on one or both ends for angled access up to ~25°
• Measurement system: metric

How to use

Select the hex key that matches the hex socket size of the fastener and insert the tip fully into the fastener recess for best torque transfer. For straight access, use the long shank end oriented for maximum leverage. For angled access, engage the ball-end and operate within the recommended entry angle to avoid excessive side loading. Apply steady, controlled force and avoid using cheater bars or excessive impact to prevent tool or fastener damage.

Usage recommendations

Store the keys in their holder to keep sizes organized and prevent loss. Inspect tips regularly for rounding or wear; replace the key if the tip shows significant deformation. Use appropriate hand force for assembly and maintenance tasks and consider a torque tool when specific torque values are required.