Hex Key & Spanner is a tool designed for connecting national standard machine taps. It is made of carbon steel and features impact resistance and strong torque.
Material: carbon steel
Specification: M4-M30
Purpose: connecting national standard machine taps
Applicable equipment: electric, pneumatic or manual wrenches
Key feature: impact resistance and strong torque
Anti-release hole for strong biting force
High-precision four-square opening
Standard opening, tightening non-slip
Size: about 4cm high
Suitable for professionals and DIY enthusiasts
Ideal tool for automotive repair, mold making, and home projects
