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(d) M20x2.50/MT5
(e) JT3/MT3
(f) JT3/MT4
(g) JT4/MT4
(h) JT4/MT5
50
Nut for Arbor
51.
Spindle
52.
Pressure Block
53.
Spring for Pressure Block
54.
Lockring for Pressure Block
55.
Balls
56.
Knurling Sleeve
57.
Spring for Kn. Sleeve
58.
Lockring for Kn. Sleeve
Note: - Following parts are only available as an assembly.
Body (1) with Part No. (2) and (45).
(a)
Carrier (24) with Part No. (20), (21), (24A), (24B), (24C), (25) and bearing (26).
(b)
Bearing (15) with Part No. (13).
(c)
Chuck Nut (41) with Part No. (41A) and (41B).
(d)
Material
Steel carbon
0.10 – 0.50 % C
0.50 – 1.10 %C
Steel-Chromium Nickel
Steel-Chromium-
Molybdenum
Steel-stainless
Monel Metal
Steel-cast
Iron-cast
Brass Drawn
Brass Cast
Bronze
Aluminum Drawn
Aluminum Cast
Duralumin
Bakelite
Plastics, Soft
-
49(e) HR3
49(f) HR3
-
-
50HR3
--
--
--
--
--
--
--
--
Recommended Cutting Speed
Rake Angle
10˚ - 15˚
10˚ - 15˚
10˚ - 15˚
10˚ - 15˚
10˚ - 15˚
10˚ - 15˚
3˚ - 7˚
10˚ - 15˚
0˚ - 5˚
5˚ - 10˚
20˚ – 30˚
10˚ – 15˚
10˚ – 20˚
0˚ – 5˚
20˚ - 30˚
The above information are subject to Tapping Speed instructions
-
49(d)HR4
49(e) HR3
-
49(f) HR3
-
-
49(g)HR4
-
49(h)HR4
50HR3
50HR4
51 HRF3
52 HRF3
53 HRF3
54 HRF3
55HRF3(3Nos)
56 HRF3
57 HRF3
58 HRF3
Cutting Speed
Speed feet/min
Type Tap. - HSS
20 – 50
20 – 40
10 – 30
10 – 30
10 – 23
10 – 23
15 – 50
30 – 80
60 – 100
60 – 100
35 – 60
60 – 100
60 – 100
60 – 100
30 – 65
60 – 70
49(d)HR4
-
-
49(g)HR4
49(h)HR4
50HR4
-
51HRF4
-
52HRF4
-
53HRF4
-
54HRF4
-
55HRF4(3Nos)
-
56HRF4
-
57HRF4
-
58HRF4
Cutting Fluid
Oil emulsion
Or Sulphur-base oil
Heavy Sulphur-base oil
Heavy Sulphur-base oil
Heavy Chloride base oil
Sulphur-base oil
Heavy Chloride base oil
Soluble oil or Sulphur-
base oil
Dry or Soluble oil
Soluble oil or light base
oil
Soluble oil or light base
oil
Dry
Kerosene or Soluble oil
Kerosene or Soluble oil
Dry
Dry
Dry
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