engraver, end mill and slot drill

CNC Cutting Bits

August 2, 2020 Nigel 0

I’ve been using milling machines for my hobby of model making for over 40 years, but CNC is new to me and CNC cutting bits are new. The primary first task for the CNC engraver [more…]

Reduce any Overhangs

July 1, 2018 Nigel 0

Reduce any Overhangs is all about increasing the stiffness of the workpiece, the machine and the tool. An overhang equals flexibility. One key parameter with regards to any tools is to reduce the overhang and [more…]

Soba HSS Lathe Tools

January 14, 2018 Nigel 0

A review of a set of pre-ground Soba HSS Lathe Tools in 12mm high speed steel. This is a bit of a cheat as it is not that hard to grind your own lathe tools, [more…]

high speed steels

High Speed Steel

January 14, 2018 Nigel 0

High Speed Steel, abbreviated HSS and commonly just listed or described as HSS. A hard steel, about 6 times harder than carbon steel, used for metal cutting tools as it remains hard even at dull red [more…]

Carbide or Tungsten Carbide

June 25, 2016 Nigel 1

Nowadays tools are often referred to as being made from “carbide” – what they actually mean is Tungsten Carbide. The reason for using Tungsten Carbide is it has some great properties: melting point 2,785–2,830°C hardness of [more…]