Heat Shrink Tab (Male) 6.3mm terminals consists of brass, tin, polyethylene & copper. They can operate and withstand the temperatures ranging from -45 C to +125 C & Shrinkable temperatures from +125 C to 180 C max. Buy Online Heat Shrink Tab (Male) 6.3mm in UK that has unique properties of tinned copper. Order top quality Heat Shrink Terminals from Kafton UK.