Integral Body Sealed Bearing - S.H.I Series


Tool Features

Designed for the enlargement of pilot holes, directional drilling and large hole applications, the Darron SHI series hole openers are manufactured from Chromium Molybdenum Solid Alloy Steel forgings, heat treated and conforming to the requirements of AISI 4145 H Modified.

Cutter Features
Generally the cutter assembly consists of 4 machined parts : cutter, inner bearing race, spindle and locking key – roller and ball bearings and seals completing the assembly. All machined parts are fully surface hardened.