Powdered dye concentrate soluble in turpentines and citric terpene. These are very powerful dyes and a little goes a long way. Smaller quantities available packed by volume in reusable, laboratory rated, storage containers with an internal sealer...
Brad pointed, HSS drill with #2 morse taper especially useful for drill presses and lathes equipped with #2 morse quills or head / tail stocks. The High Speed Steel means these drills are vitually immune from overheating and can therefore be heavily...