How it connects
Blade is inserted into the screw's slot and transmits torque by contact on the slot walls; no locking or seal.
Male and female halves
Screwdriver blade/bit is male; the slot in the screw head is female. This port is the male blade.
Usually connects to
- slotted screw head
- slotted terminal-block screw
- combination slotted/Phillips (Pozi-slot) terminal screws
Common sizes
- Named by tip width, commonly 1/8, 3/16, 1/4 in (about 3-6 mm); metric slotted tips are given as thickness x width, e.g. 0.5 x 3.0 mm, 0.6 x 3.5 mm, 0.8 x 4.0 mm.
Where it is used
electrical terminal workcabinetry and woodworkinggeneral mechanical assembly
Variations
- keystone (flared) slotted tip
- cabinet/parallel slotted tip
- insulated VDE slotted blades
- slotted hex bits
How to recognise it
Round shank ending in a flat blade whose width matches the shank diameter (no flare), with a straight edge at the end; size marked as tip width (e.g. 1/8" or 3/16").
Often confused with
| Confused with | How to tell them apart |
|---|---|
| Keystone slotted tip | Keystone tip flares wider than the shank and tapers; a cabinet tip is the same width as the shank, with parallel sides. |
Also called
cabinet tipparallel tipflat-head screwdriver bladestraight slot tipelectrician's tip
Good to know
This is a tool-to-fastener drive interface. The exact pairing of a 0.5 mm blade thickness with a 1/8-inch tip is not established here by ISO 2380.
Related connections
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