●Due to Yamawa’s proprietary design, the tapping torque decreases.
●With a combination of wear-resistant tool material and a unique coating, the tool’s durability improves tremendously.
●Consistent tapping of thermal refined materials ( ~35HRC) is ensured.
●Tapping with water soluble tapping fluid is possible.
DIMENSION AND SIZE
Size
Class
YAMAWA
Code
Chamfer
𝘓
(mm)
ℓ
(mm)
ℓn
(mm)
𝘋s
(mm)
M6 X1
G8
RY6.0M8DCTP
4P
62
11
26
6
M6 X1
G8
RY6.0M8DCTB
2P
62
11
26
6
M8 X1.25
G8
RY8.0N8DCTP
4P
70
12
-
6.2
M8 X1.25
G8
RY8.0N8DCTB
2P
70
12
-
6.2
M10X1.5
G8
RY010O8DCTP
4P
75
13
-
7
M10X1.5
G8
RY010O8DCTB
2P
75
13
-
7
M10X1.25
G8
RY010N8DCTP
4P
75
13
-
7
M10X1.25
G8
RY010N8DCTB
2P
75
13
-
7
M12X1.5
G9
RY012O9DCTP
4P
82
15
-
8.5
M12X1.5
G9
RY012O9DCTB
2P
82
15
-
8.5
M12X1.25
G9
RY012N9DCTP
4P
82
15
-
8.5
M12X1.25
G9
RY012N9DCTB
2P
82
15
-
8.5
M14X1.5
G10
RY014OODCTP
4P
88
18
-
10.5
M14X1.5
G10
RY014OODCTB
2P
88
18
-
10.5
TAPPING DATA
Size
M12X1.5
Material
SCM440 (thermal refined) / 35HRC
Tapping Speed
20m/min
Bored hole size
Ø11.3mm
Threading length
18mm (Through hole)
Machine
MC (synchronous feed)
Tapping fluid
Water soluble
No. of holes
800hole (still running)
Consistent tapping in SCM440(thermal refined) at 35HRC becomes possible. Before the MHRZ, this material was thought to be difficult for thread forming.
・Employs an AlTi layer with a new composition created by increasing the Al content of conventional layers.
・Excellent wear resistance, chipping resistance, and heat resistance!
• New technology!!
・The new layer with high Al content employs a new composition and optimizes the crystal structure to improve wear resistance and chipping resistance!
・Employs a low-friction-effect coating with excellent welding resistance as the top-most surface layer. This reduces welding to the work and decreases cutting force!
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