Spear and Jackson Eclipse bi-metal holesaws are constructed of hardened, heat and abrasive resisting M3 high speed steel teeth electron-beam welded to a tough alloy body and cap. This gives them exceptional strength, durability, shatter resistance and safety.
Due to the superior and robust construction, the Eclipse holesaws have the capability of cutting through virtually any machineable material, including cast iron, stainless steel, brass, bronze, aluminium, plastics and wood.
Available in variable 4/6 pitch teeth for all purpose application or constant 6 pitch teeth ideal for thin sheet metal application.
Full range of sizes from 14mm - 152mm in vari pitch and upto 76mm in constant pitch. A sharper, more accurate cut. Cuts faster. Stays sharper for longer.