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The illustration below shows the types of files commonly available.These files have double cut teeth as is most common for use under heavier pressure where a fine finish is not required.Single cut files for smoother finishes are also available upon required based upon the type of work to be done and the material being used.
1.Flat Files-Double Cut
Used by engineers for all kinds of works.
|
No.
|
Cut
|
Length mm
|
No.
|
Cut
|
Length
|
|
1
|
Bastard
|
150
|
15
|
Smooth
|
150
|
|
2
|
200
|
16
|
200
|
|
3
|
250
|
17
|
250
|
|
4
|
300
|
18
|
300
|
|
5
|
350
|
19
|
350
|
|
6
|
400
|
20
|
400
|
|
8
|
Second
|
150
|
21
|
Dead
Smooth
|
150
|
|
9
|
200
|
22
|
200
|
|
10
|
250
|
23
|
250
|
|
11
|
300
|
24
|
300
|
|
12
|
350
|
25
|
350
|
|
13
|
400
|
26
|
400
|
2.Half Round Files-Double Cut
Used mostly in 200,250 &300 mm length on concaved surfaces.
|
No.
|
Cut
|
Length mm
|
No.
|
Cut
|
Length
|
|
28
|
Bastard
|
150
|
42
|
Smooth
|
150
|
|
29
|
200
|
43
|
200
|
|
30
|
250
|
44
|
250
|
|
31
|
300
|
45
|
300
|
|
32
|
350
|
46
|
350
|
|
33
|
400
|
47
|
400
|
|
35
|
Second
Cut
|
150
|
49
|
Dead
Smooth
|
150
|
|
36
|
200
|
50
|
200
|
|
37
|
250
|
51
|
250
|
|
38
|
300
|
52
|
300
|
|
39
|
350
|
53
|
350
|
|
40
|
400
|
54
|
400
|
3.Round Files-Double CutUsed on curved surfaces and for enlarging round holes.Sometimes called a rattail f
|
No.
|
Cut
|
Length mm
|
No.
|
Cut
|
Length
|
|
56
|
Bastard
|
150
|
70
|
Smooth
|
150
|
|
57
|
200
|
71
|
200
|
|
58
|
250
|
72
|
250
|
|
59
|
300
|
73
|
300
|
|
60
|
350
|
74
|
350
|
|
61
|
400
|
75
|
400
|
|
63
|
Second
Cut
|
150
|
77
|
Dead
Smooth
|
150
|
|
64
|
200
|
78
|
200
|
|
65
|
250
|
79
|
250
|
|
66
|
300
|
80
|
300
|
|
67
|
350
|
81
|
350
|
|
68
|
400
|
82
|
400
|
4.Square Files- Double Cut
These types of files are mainly used for enlarging rectangular holes.
|
NO.
|
Cut
|
Length mm
|
No.
|
Cut
|
Length
|
|
84
|
Bastard
|
150
|
401
|
Smooth
|
150
|
|
85
|
200
|
402
|
200
|
|
86
|
250
|
403
|
250
|
|
87
|
300
|
404
|
300
|
|
88
|
350
|
405
|
350
|
|
89
|
400
|
406
|
400
|
|
91
|
Second
|
150
|
408
|
Dead
Smooth
|
150
|
|
92
|
200
|
409
|
200
|
|
93
|
250
|
410
|
250
|
|
94
|
300
|
411
|
300
|
|
95
|
350
|
412
|
350
|
|
96
|
400
|
413
|
400
|
5.Triangle Files-Double Cut
Used for cleaning and smoothing out corners and angles. Not suitable for saw filling due to the sharp edges.
|
No.
|
Cut
|
Length mm
|
No.
|
Cut
|
Length
|
|
415
|
Bastard
|
150
|
429
|
Smooth
|
150
|
|
416
|
200
|
430
|
200
|
|
417
|
250
|
431
|
250
|
|
418
|
300
|
432
|
300
|
|
419
|
350
|
433
|
350
|
|
420
|
400
|
434
|
400
|
|
422
|
Second
|
150
|
436
|
Dead
Smooth
|
150
|
|
423
|
200
|
437
|
200
|
|
424
|
250
|
438
|
250
|
|
425
|
300
|
439
|
300
|
|
426
|
350
|
440
|
350
|
|
427
|
400
|
441
|
400
|
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