The mini 27mm integrated nail is an all-in-one fastener compatible with mini nail guns. It adopts integral die-casting structure with no assembly required, made of anti-rust quenched carbon steel for stable structure and durability. With stabilized propellant, it features low vibration and no base cracking during firing. Compact in size, it adapts to narrow construction spaces. It can be directly constructed on hard base layers such as concrete and brick walls, no drilling, power or air source needed. Suitable for refined indoor light fastening including hydropower fixation, fire weak current, home appliance brackets, ceiling decoration and small bridge frame construction with efficient and firm installation.