Flat Thread Rolling Dies:- 
| Flat Dies are used in the reciprocating type of
machines. A set of two dies are used , where one is stationary and the other is moving.
The rolling surfaces of the dies are facing each other. |
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Stock Sizes & Specification
of Thread Rolling Dies
Refer the following to the table
:-
Ls
: Length of the stationary die.
Lm : Length of
the moving die.
B :
Die thickness.
H :
Face depth.
Ø :
Holding angle
1. Die size : 66/58x20x19.1
(FD) Holding angle 0o
No. 2-32 B Type (DPR-3) Audio Cassette screws.
2. Die size : WF-0
No. 2 X 9.5 RH AB
No. 4 X 4.5, 6.5, 9.5, 13, 16, 19, 25 RHAB
No. 4 X 9.5,13, 16, 19, 25 FHAB
No. 5 X 19 FHAB
No. 6 X 6.5, 9.5, 13, 16, 19, 25, 32
RHAB
No. 6 X 9.5, 13, 16, 19, 25 FHAB
No. 8 X 9.5, 13, 16, 19, 25, 32 RHAB
No. 8 X 13, 16, 19, 25, 32 FHAB
No. 4, 8 B Type
3. Die size : WF-1015
No. 6 X 38 RHAB
No. 8 X 38, 50 RHAB
No. 8 X 38 FHAB
No. 10 X 16, 19, 32, 38, 50 RHAB
No. 10 X 19, 25 FHAB
No. 12 X 19, 25, 32, 38 RHAB
| Machine
Type |
Dimensions(Die) |
|
Water-
bury
Farrel
|
Hartford
Special
|
Manv-
ille
|
Dainichi
|
Despai-
gne Hanrez
|
Greenwood
& Bartley
|
Length of
Moving Die
Face(Lm)
|
Length of Stationary
Die Face(Ls)
|
Thick-
ness
(B)
|
Depth of
Die (H)
|
Holding Angle Ø
|
|
00
|
-
|
-
|
-
|
-
|
-
|
50.8
|
44.5
|
17.5
|
15.9
28.5
|
5o
|
|
0
|
0 - 400
|
0C 130C
|
DR - 125A
|
RFO
|
-
|
82.6
|
69.9
|
20.6
|
19.1
31.8
41.3
|
5o
|
|
1015
|
-
|
-
|
DRS - 200
DRS - 200A
|
-
|
-
|
101.6
|
88.9
|
20.6
|
19.1
31.8
41.3
|
5o
|
|
10
|
10 - 300
10 - 400
|
2B
2C
|
DRS - 250
DRS - 250A
|
RF1
|
2
|
127.0
|
108.0
|
23.8
|
28.6
41.3
54.0
|
5o
|
|
20
|
20 - 225
|
3B
3C
375C
|
DRS - 375
DRS - 375A
|
RF3
|
3
|
171.5
|
152.4
|
30.2
|
28.6
41.3
54.0
66.7
|
5o
|
| Machine
Type |
Dimensions(Die) |
|
Menn
|
Hilgerl-
and
|
Ingra-
matic
|
Omega
|
Grete
|
Saspi
|
Length of
Moving Die
Face
|
Length of Stationary
Die Face
|
Thick-
ness
(B)
|
Depth of Die (H)
|
Holding Angle Ø
|
|
GW31
|
TRO
|
-
|
-
|
WES
|
-
|
66
|
58
|
20
|
20
32
|
0o
|
|
GW51
52
|
TR1
|
PR1
|
RF8
|
WFS
|
GV1
|
95
|
85
|
25
|
20
32
40
|
0o
|
|
GW61
62
|
TR2
|
PR2
|
-
|
-
|
GV
2 - 10
|
130
|
115
|
30
|
30
40
50
|
0o
|
|
GW81
82
|
TR3
|
-
|
-
|
WGS
|
GV3
|
150
|
130
|
35
|
30
40
60
|
0o
|
|
GW100
|
TR4
|
-
|
-
|
-
|
GV4
|
170
|
150
|
40
|
30
40
60
|
0o
|
|