Files

Question 1

3 parts of a file

Answer 1

1. tang
2. edge
3. face

Question 2

what is the tang?

Answer 2

The tang is the narrow tapered section where the handle is attached.

Question 3

What is the edge

Answer 3

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.

Question 4

What is the face?

Answer 4

The face is the main metal removing part.

Question 5

What are the four types of file cuts?

Answer 5

1. Single Cut
2. Double Cut
3. Rasps
4. Curved Tooth

Question 6

What is the single cut

Answer 6

has a single series of parallel teeth across the file, produce a smooth surface finish. Also called a mill file

Question 7

What is the Double cut

Answer 7

to series of diagonal teeth Removes metal faster but leaves a rougher finish.

Question 8

What is the Rasps

Answer 8

used on wood or other soft material where large amount of material needs to be removed

Question 9

What is the curved tooth

Answer 9

Used on soft metals like aluminum, brass, lead. Self cleaning design works well on soft material that clogs teeth.

Question 10

What are the different shapes of files?

Answer 10

1. Flat
2. Square
3. Half round
4. Round
5. 3 square
6. Mill File
7. Knife File
8. Warding file
9. Pillar File

Question 11

Types of coarseness

Answer 11

1. Rough
2. Coarse
3. Bastard
4. Second Cut
5. Smooth
6. Dead Smooth

Question 12

What is the flat file

Answer 12

rectangular shaped file for general purposes

Question 13

What is the mill file

Answer 13

thinner version of the flat file. Originally used to sharpen saw blades.

Question 14

What is the Pillar file

Answer 14

thicker version of the flat. Almost square in shape, always has one or two safe edges

Question 15

What is the square file

Answer 15

Square shaped , usually double cuts and used to file key slots, recesses, holes.

Question 16

What is the warding file

Answer 16

very thin rectangular file used for narrow work often used by locksmiths.

Question 17

What is the knife file

Answer 17

rectangular with a knife shape which includes a 10* angle between faces. Used for narrow work where substantial file is required

Question 18

What is the 3 square file

Answer 18

shaped like a triangle. Used for sharp angles, corners, grooves, and notches

Question 19

What is the round file

Answer 19

Round in shape. Used for dressing and enlarge holes.

Question 20

What is the half round file

Answer 20

Has flat on one face and curved on the other. Used for large diameter holes and curves.

Question 21

How to use a file

Answer 21

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.

Question 22

File Safety

Answer 22

1. Keep free of oil
2. Clean surface with cloth or brush, never your hand
3. Don’t use as pry bars, or hammers (files are brittle)
4. Keep stored separately from each other in clean area
5. Use correct file for the work being done
6. Always use a handle on the tang.