![AW<SUP>® </SUP>批头 C 6.3（1/4 英寸） - 2]( "AW<SUP>® </SUP>批头 C 6.3（1/4 英寸） - 2")
Now the bit plays its part: Thanks to an innovative hardening procedure, the bit can also absorb load peaks in the centre area. As a result, bit tip breakages appear much later than in conventional screw inserts.
![AW<SUP>® </SUP>批头 C 6.3（1/4 英寸） - 3]( "AW<SUP>® </SUP>批头 C 6.3（1/4 英寸） - 3")
A spring, which has been subtly integrated into the bit holder, absorbs load peaks: The bit holder interior rotates imperceptibly and invisibly as well. When the spring force is exceeded, the bit holder stops to prevent damage to the mechanism.
