Hex key set YATO YT-0506 — 9-piece hex key/Allen key set

YATO YT-0506 is a 9-piece hex key (Allen key) set designed for tightening and loosening hex-head fasteners. The compact kit contains nine common metric sizes stored in a practical plastic pendant that keeps tools organized and accessible. Keys are intended for use in mechanical, assembly and maintenance tasks in workshops, garages and home repair projects where compact, hand-held hex tools are required.

Advantages

The set offers a range of sizes in a single, easy-to-store holder, reducing time spent searching for the correct key. Keys are manufactured from chromium-vanadium (CRV) 6150 vanadium steel, providing a balance of strength and elasticity suitable for repeated manual use. Heat-treated tips deliver a defined hardness range for reliable engagement with hex fasteners while the plastic pendant supports neat storage and portability.

Suitable for

• Tightening and loosening metric hex-head bolts and screws
• Mechanical repair and maintenance in workshops and garages
• Assembly tasks for furniture, machinery and equipment
• Home repair and DIY projects requiring compact hex tools

Key specifications

• Set composition: 9 hex keys
• Material: chromium-vanadium (CRV) 6150 vanadium steel
• Hardness range: approx. 52–55 HRC (heat-treated tips)
• Storage: practical plastic pendant for organization and transport
• Included sizes: 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, 10 mm

How to use

Select the hex key corresponding to the fastener size and insert the short or long arm into the hex recess to obtain the desired reach and leverage. Apply steady turning force to avoid stripping the fastener head. For higher torque needs, use the longer arm as a lever while keeping the tool properly seated in the screw. After use, return keys to the plastic pendant to maintain organization and protect tips from damage and corrosion.

Usage recommendations

Inspect keys before use and avoid applying impact forces or using them as pry bars. Keep tools clean and lightly lubricated for corrosion protection. Use the correctly sized key to prevent rounding of fastener heads and ensure a secure fit when performing repair or assembly work.