If it is the latter, wouldn't the insulated part part cause interference on the connection of the uninsulated wire part ?

Wire ferrules are often installed with screw type terminal blocks and used most commonly in automotive and industrial technologies. Professional insulated flag crimping tool is suitable for crimping red and blue fully insulated 90 degree right angle flag terminals. DESIGNED FOR INSULATED FLAG TERMINALS - Allows to conveniently crimp 12-10 gauge nylon flag connectors without damaging the insulation.Are you supposed to crimp only uninsulated wire, or should some of the insulation be crimped too for a more secure connection ? Crimp pins and tabs have the same function as the ferrule, except the wire is crimped in a wire barrel instead of the ferrule tube. They help us to identify popular products and understand your browsing habits so we can display relevant adverts to you.

The individual wire of the script leads are held by the wire ferrule for this specific wire size, crimped with AMP precision tools to form a gas-tight connection.

A crimp ferrule – also known as a wire ferrule and electrical ferrule – is a soft metal tube that is crimped onto the end of a stripped wire to protect the strands inside a terminal from fraying. If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. The design of the wire crimpers makes crimping connectors easier than ever - and is especially valuable where wire service is compromised by limited access. Available in two versions, one operated by the means of a hand pump and the other by a foot pedal connected to an external air source. Only of the use of wire ferrules provides the high degree of contacts reliability for switching cabinets, control units, function unit and equipment with row clamp or poke-in clamp connectors.