WhitWorth (BSW, BSF) Series

Product Code: WhitWorth (BSW, BSF) Series

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WhitWorth (BSW, BSF) Series

ITEM CODE

BSW Thread

BSF Thread

Pitch

Dimensions (mm)

Boare Dia

Internal/External

mm

D

D2

L

L1

z

mm

TMI/E.26.3HI.060050-R-BS


1/4″x26

26

6

5

57

13.2

3

5.3

TMI/E.22.3HI.080635-R-BS


5/16″x22

22

8

6.35

61

16.7

3

6.7

TMI/E.20.3HI.600445-R-BS

1/4″x20

3/8″x20

20

6

4.45

57

13.3

3

5

TMI/E.20.3HI.800765-R-BS


3/8″x20

20

8

7.65

61

19.7

3

8.2

TMI/E.18.3HI.600585-R-BS

5/16″x18

7/16″x18

18

6

8.85

57

16.2

3

6.4

TMI/E.18.3HI.100092-R-BS


7/16″x18

18

10

9.2

73

23.3

3

9.7

TMI/E.16.3HI.080072-R-BS

3/8″x16

1/2″. 9/16″x16

16

8

7.2

61

19.8

3

7.9

TMI/E.16.4HI.120105-R-BS


1/2″. 9/16″x16

16

12

10.5

80

25.2

4

11.1

TMI/E.16.4HI.141215-R-BS


9/16″x16

16

14

12.15

92

29.4

4

12.6

TMI/E.14.3HI.100085-R-BS

7/16″x14

5/8″, 11/16″x14

14

10

8.5

73

22.7

3

9.2

TMI/E.14.4HI.140134-R-BS


5/8″, 11/16″x14

14

14

13.4

92

31.7

4

14

TMI/E.14.4HI.160150-R-BS


11/16″x14

14

16

15

92

35.4

4

15.6

TMI/E.12.3HI.1000965-R-BS

1/2″x12

3/4″x12

12

10

9.65

73

26.5

3

10.5

TMI/E.12.4HI.1201125-R-BS

9/16″x12

3/4″x12

12

12

11.25

80

28.6

4

12.1

TMI/E.12.4HI.180162-R-BS


3/4″x12

12

18

16.2

102

39.2

4

16.8

TMI/E.11.4HI.140126-R-BS

5/8″x11

7/8″x11

11

14

12.6

92

33.5

4

13.4

TMI/E.11.4HI.160142-R-BS

11/16″11


11

16

14.2

92

35.8

4

15

  • For Through Coolant Threadmill, item Code will be TMI
  • For Non-Through Coolant Threadmill, Item Code will be TME
  • For HRC>60, use Duro Coat
  • B+ve and i-Series available on request

MATERIAL GROUP

MATERIAL

HARDNESS BENEFIT
HB

CUTTING SPEED V/s
m/min

Feed
f
mm/tooth

P

1

Unalloyed Steel

Low carbon (C=0.1-0.25)

125

50 – 200

0.025 – 0.3

2

Low alloy steel
(alloying elements≤5%)

Non hardened

180

50 – 150

0.02 – 0.22

3

Hardened

275

40 – 150

0.01 – 0.15

M

4

Stainless Steel

Non hardened

200

50 – 120

0.01 – 0.13

5

Austenitic

180

50 – 120

0.01 – 0.12

6

Stainless steel Cast ferritic

Hardened

330

50 – 90

0.01 – 0.1

K

7

Malleable

Ferritic (Short chips)

130

50 – 70

0.01 – 0.15

8

Grey cast iron

Low tensile strength

180

60 – 140

0.01 – 0.13

9

High tensile strength

260

35 – 100

0.01 – 012

10

Nodular SG iron

Pearlitic

260

35 – 80

0.01 – 0.12

N

11

Aluminium alloys

Cast

75

80 – 160

0.03 – 0.36

12

Cast & aged

90

100 – 200

0.1 – 0.3

13

Copper and copper alloys

Brass

90

160 – 250

0.04 – 0.43

14

Bronze and non leaded copper

10

120 – 200

0.03 – 0.36

S

15

High temperature alloys

Annealed (Nickel or Cobalt based)

250

15 – 35

0.005 – 0.06

16

Titanium alloys

Pure 99.5 Ti

400 Rm

35 – 70

0.006 – 0.07

H

17

Extra hard steel

Hardened & tempered

45-50 HRc

15 – 45

0.004 – 0.04

18

51-55 HRc

15 – 30

0.004 – 0.04