- HH type hex head is for hexagon socket bolts. A hexagon wrench can be inserted.
- Only the HH8D can accept replacement bits (the base is 6.35HEX).
Specifications in detail
Compatible torque wrenches: Torque wrenches with the part number including "X19D"
Insertion angle (mm): 10
Insertion diameter (φ): 19
TOHNICHI HH19DX10