Tamper-Proof Screw Pin/Pan 6 Lobe Tapping B Type

[Features]
· A pin protrudes in the center of the star-shaped hole and a normal 6-lobe wrench cannot be inserted.
· Torque transmission is so good that no come-out occurs and workability is high.
· Ball-like shape screw ideal for female screw machining, and can be screwed in with low torque.