Hot dip zincing and the class of tap to select

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Cutting TapsRoll (Forming) Taps Metric ThreadsUnified ThreadsWhitworth Threads Helical Coil Wire Screw Thread InsertsPipe ThreadsSpecial Threads Trouble ShootingHow to useSpecification of toolsBasic Knowledge

What is Hot Dip Zincing ? Any taps exclusive to Hot Dip Zincing ?

Hot Dip Zincing is a plating method. It is available when fairly thick coating is required. When Hot Dip Zincing is needed, you can use special over sized taps (normally 0.3mm to 0.6mm larger in pitch diameter) to create internal screw threads before plating.

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