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Module one: History and Safety
Module four: Specialist Electricians Tools
Module three: Core Electricians Tools
Module three: Core Electricians Tools
Screwdrivers.
Screwdriver Handles
Handle Construction
The traditional handle material for a screwdriver handle was wood, but with the advanced thermoplastics and moulding techniques available today, screwdriver handles have developed considerably.
C.K SensoPlus (above, left) and Avit (above, right) screwdrivers have handles moulded from dual compounds giving a hard plastic core for blade security with a soft grip surface for grip and control.
The HD comfort range has handles moulded from shatter proof Cellulose Acetate. With a smooth wipe clean surface and high torque design, the handles are ideal for construction, engineering and automotive use.
Handle Attachment
The way that the screwdriver handle is attached to the blade is important, after all you wouldn't want the handle to turn as the blade stays still!
There are two ways to make the blade-to-handle join; moulding the handle around the blade or pushing the blade into the handle.
Moulding the handle around the blade is a very reliable method. In the cut section image on the right you can see that the wings on the top of the blade are completely surrounded by the injection molded plastic. This is the manufacturing method used on all C.K screwdrivers.
Avit screwdrivers have blades that are pushed fitted to the handle. This provides a perfectly good joint since the handle material moves to surround the blade after the blade is inserted.