Files Flashcards
3 parts of a file
- tang
- edge
- face
what is the tang?
The tang is the narrow tapered section where the handle is attached.
What is the edge
the narrowest surface , usually has coarser teeth. Used for filing notches, corners, special shapes, or tight areas. May have a safe edge with no teeth.
What is the face?
The face is the main metal removing part.
What are the four types of file cuts?
- Single Cut
- Double Cut
- Rasps
- Curved Tooth
What is the single cut
has a single series of parallel teeth across the file, produce a smooth surface finish. Also called a mill file
What is the Double cut
to series of diagonal teeth Removes metal faster but leaves a rougher finish.
What is the Rasps
used on wood or other soft material where large amount of material needs to be removed
What is the curved tooth
Used on soft metals like aluminum, brass, lead. Self cleaning design works well on soft material that clogs teeth.
What are the different shapes of files?
- Flat
- Square
- Half round
- Round
- 3 square
- Mill File
- Knife File
- Warding file
- Pillar File
Types of coarseness
- Rough
- Coarse
- Bastard
- Second Cut
- Smooth
- Dead Smooth
What is the flat file
rectangular shaped file for general purposes
What is the mill file
thinner version of the flat file. Originally used to sharpen saw blades.
What is the Pillar file
thicker version of the flat. Almost square in shape, always has one or two safe edges
What is the square file
Square shaped , usually double cuts and used to file key slots, recesses, holes.
What is the warding file
very thin rectangular file used for narrow work often used by locksmiths.
What is the knife file
rectangular with a knife shape which includes a 10* angle between faces. Used for narrow work where substantial file is required
What is the 3 square file
shaped like a triangle. Used for sharp angles, corners, grooves, and notches
What is the round file
Round in shape. Used for dressing and enlarge holes.
What is the half round file
Has flat on one face and curved on the other. Used for large diameter holes and curves.
How to use a file
Apply only enough pressure to cut through the entire forward stroke. Lift file on reverse stroke, except when filing soft metals. The reverse stroke on soft metals helps clean teeth and removes clogs.
File Safety
- Keep free of oil
- Clean surface with cloth or brush, never your hand
- Don’t use as pry bars, or hammers (files are brittle)
- Keep stored separately from each other in clean area
- Use correct file for the work being done
- Always use a handle on the tang.
