Ko-ken 1/2" Dr Socket Bit KO4020-60/MH16 | AIMS Industrial
Available
Ko-Ken XZN (triple square) bit sockets are purpose-built for the XZN fasteners found throughout European vehicles — particularly on driveshafts, transfer cases, and engine internals. The 1/2" drive delivers the torque these fasteners require without the cam-out risk you get with Torx or hex bits. Japanese Ko-Ken manufacturing holds the triple-square profile to precise tolerances to protect the fastener head.
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