1/4" hex shank socket with extra long length
Total length: 80,100mm,150mm. Or as per your request.
Shank: 1/4" shank.
Precision center point for easy positioning and effortless drilling.
Polished double edge flutes produce incredibly accurate and clean holes.
Material: High Carbon steel 45# or 65#
Dia size: 10mm, 12mm, 14mm, 16mm, 18mm, 20mm etc.
extra long Overall length: 80mm,100mm,150mm etc.
below are partial sizes: