Chromate slender thread small box

[Features]
· Easy to use slim type.
· Has a slimmer decision than conventional coarse thread screws, which reduces wood splintering and makes driving easier even for harder wood varieties.
· Not only that, the head part uses flexible finishing with excellent penetration.
· Reduces float of nails due to shocks, float of boards due to expansion and contraction of paired materials, float of floorboards caused by humidity and temperature changes, and creaky floors.