The grub or headless screw is vital for holding the screw driver blade firmly.
They usually come in packs of 10 pieces and their diameters range from 1.
8 to 3 mm, 0.
50, and 0.
6 mm to 1.
6 mm.
It is always a good practice to have extra headless screws because it will be needed when changing screw driver blade.
They can be utilized with Bergeon or A&F Swiss drivers.
An individual Bergeon screw driver comes with one cutting edge and without spare cutting edges.
The drivers are chrome plated and of high quality.
For easy identification, they have colored rings around them that indicate the edge size.
For instance, an orange-colored ring has a 0.
5 mm blade while a yellow ring has 0.
8 mm blade.
A package of this screwdriver with spare blades comes as a one size tool with four spare blades.
They are of high quality and chromium plated and for easy identification, also has colored rings.
Another type of this screw driver is the Crosshead, it's handle has decorative grooves and is distinct for its colored hexagonal head.
Another screwdriver particularly made for watch making is the A&F Swiss made Crosshead screwdriver.
They are made for exactness and ease of use.
A set consist of 4 pieces from 1.
5, 2, 2.
5 and 3 mm diameters.
The screwdriver features include chrome-covered shaft, ball bearing rotating head with tempered blades.
On the other hand, the A&F Screwdriver set Carousel is of chrome plated brass finish and has 9 pieces.
The individual screwdriver head rotates as they are built up on ball bearings and are color coded for easy identification.
Included in the package are fixing screws and extra blades.
Other package of Bergeon screwdrivers include: the 5-piece box screwdriver set.
It consists of 5 screwdrivers placed in a thin stiff board box and each screwdriver is supplied with one extra blade.
Another is the 9-piece screwdriver set in a wooden box.
It comes with 9 chromium plated spare blades with diameters ranging from 0.
5 mm to 2.
5 mm placed into plastic tubes.
These screwdrivers are positioned on a non-slip revolving stand mounted on a steady area.
These non-magnetic screwdriver set has 5 screwdrivers with diameters ranging from 0.
5 mm to 1.
2 mm and it comes with 5 extra blades and is called such because of its non-magnetic properties.
The Bergeon 5-piece box screwdriver set has 5 drivers in a thin stiff board box and each has one spare cutting edge supplied.
The 9-piece wooden box of this screwdriver set has spare cutting edges packed into plastic tubes; the blades are chromium plated and the screwdriver sizes range from 0.
5 to 2.
5 mm.
This screwdriver are set on non-slip rotating stand has 9 drivers built up on a stable stand.
Each hole is colored.
There are 9 spare blades provided with this set.
Its noni-magnetic driver set has non-magnetic properties and has 5 screwdrivers in it from 0.
5 to 1.
2 mm.
There are 5 spare blades, one for each screw driver.
They usually come in packs of 10 pieces and their diameters range from 1.
8 to 3 mm, 0.
50, and 0.
6 mm to 1.
6 mm.
It is always a good practice to have extra headless screws because it will be needed when changing screw driver blade.
They can be utilized with Bergeon or A&F Swiss drivers.
An individual Bergeon screw driver comes with one cutting edge and without spare cutting edges.
The drivers are chrome plated and of high quality.
For easy identification, they have colored rings around them that indicate the edge size.
For instance, an orange-colored ring has a 0.
5 mm blade while a yellow ring has 0.
8 mm blade.
A package of this screwdriver with spare blades comes as a one size tool with four spare blades.
They are of high quality and chromium plated and for easy identification, also has colored rings.
Another type of this screw driver is the Crosshead, it's handle has decorative grooves and is distinct for its colored hexagonal head.
Another screwdriver particularly made for watch making is the A&F Swiss made Crosshead screwdriver.
They are made for exactness and ease of use.
A set consist of 4 pieces from 1.
5, 2, 2.
5 and 3 mm diameters.
The screwdriver features include chrome-covered shaft, ball bearing rotating head with tempered blades.
On the other hand, the A&F Screwdriver set Carousel is of chrome plated brass finish and has 9 pieces.
The individual screwdriver head rotates as they are built up on ball bearings and are color coded for easy identification.
Included in the package are fixing screws and extra blades.
Other package of Bergeon screwdrivers include: the 5-piece box screwdriver set.
It consists of 5 screwdrivers placed in a thin stiff board box and each screwdriver is supplied with one extra blade.
Another is the 9-piece screwdriver set in a wooden box.
It comes with 9 chromium plated spare blades with diameters ranging from 0.
5 mm to 2.
5 mm placed into plastic tubes.
These screwdrivers are positioned on a non-slip revolving stand mounted on a steady area.
These non-magnetic screwdriver set has 5 screwdrivers with diameters ranging from 0.
5 mm to 1.
2 mm and it comes with 5 extra blades and is called such because of its non-magnetic properties.
The Bergeon 5-piece box screwdriver set has 5 drivers in a thin stiff board box and each has one spare cutting edge supplied.
The 9-piece wooden box of this screwdriver set has spare cutting edges packed into plastic tubes; the blades are chromium plated and the screwdriver sizes range from 0.
5 to 2.
5 mm.
This screwdriver are set on non-slip rotating stand has 9 drivers built up on a stable stand.
Each hole is colored.
There are 9 spare blades provided with this set.
Its noni-magnetic driver set has non-magnetic properties and has 5 screwdrivers in it from 0.
5 to 1.
2 mm.
There are 5 spare blades, one for each screw driver.