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Microbore® Boring Bars - Technical Information

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Boring Range (A) Min

Boring Range (B) Max

B Min.

D .

Cartridge Unit

Insert Type Fig.

Insert Type – Insert

Boring Bar Order Ref BT (MAS403) BT40

Boring Bar Order Ref BT (MAS403) BT50

Boring Bar Order Ref DIN 69871 DIN40

Boring Bar Order Ref DIN 69871 DIN50

Boring Bar Order Ref ISO (DIN 2080) ISO40

Boring Bar Order Ref ISO (DIN 2080) ISO 50

15.6

17.5

83.0

15.5

1

TCMT06T104

18.5

20.5

82.5

15.5

2

EP__0402__

18.3

20.0

82.5

15.5

3

Brazed Insert

16.8

19.0

83.0

16.5

1

TCMT06T104

19.0

22.5

82.5

16.5

2

EP__0402__

18.3

21.8

82.5

16.5

3

Brazed Insert

19.0

24.5

88.5

19.0

1

TCMT06T104

19.5

24.5

87.0

19.0

2

EP__0402__

19.0

24.0

87.0

19.0

3

Brazed Insert

24.0

30.0

110.5

22.5

1

TC__0902__

24.5

31.5

107.0

22.5

2

CC__0602__

24.5

31.5

107.0

22.5

2

EP__0602__

22.5

30.5

107.0

22.5

3

Brazed Insert

29.0

41.5

135.5

28.0

1

TC__0902__

29.0

42.5

132.0

28.0

2

CC__0602__

29.0

42.5

132.0

28.0

2

EP__0602__

27.0

41.5

132.0

28.0

3

Brazed Insert

42.0

53.0

116.0

35.0

1

TC__1102__

39.5

52.0

116.0

35.0

2

CC__0602__

39.0

51.5

116.0

35.0

2

EP__0803__

39.5

52.0

116.0

35.0

3

Brazed Insert

42.0

53.0

173.0

35.0

1

TC__1102__

39.5

52.0

173.0

35.0

2

CC__0602__

39.0

51.5

173.0

35.0

2

EP__0803__

39.5

52.0

173.0

35.0

3

Brazed Insert

50.2

71.5

116.0

41.5

1

TC__1102__

47.5

70.5

116.0

41.5

2

CC__0602__

47.5

70.5

116.0

41.5

2

EP__0803__

47.0

70.0

116.0

41.5

3

Brazed Insert

50.2

71.5

186.0

41.5

1

TC__1102__

47.5

70.5

186.0

41.5

2

CC__0602__

47.5

70.5

186.0

41.5

2

EP__0803__

47.0

70.0

186.0

41.5

3

Brazed Insert

50.2

71.5

208.0

44.5

1

TC__1102__

47.5

70.5

208.0

44.5

2

CC__0602__

47.5

70.5

208.0

44.5

2

EP__0803__

47.0

70.0

208.0

44.5

3

Brazed Insert

63.0

91.0

128.0

50.5

1

TC__16T3__

63.0

941.0

128.0

50.5

2

CC__09T3__

63.0

91.0

128.0

50.5

2

EC__1204__

63.5

91.0

128.0

50.5

3

Brazed Insert

63.0

91.0

185.0

57.5

1

TC__16T3__

63.0

91.0

185.0

57.5

2

CC__09T3__

63.0

91.0

185.0

57.5

2

EC__1204__

63.5

91.0

185.0

57.5

3

Brazed Insert

63.0

91.0

280.0

59.0

1

TC__16T3__

63.0

91.0

280.0

59.0

2

CC__09T3__

63.0

91.0

280.0

59.0

2

EC__1204__

63.5

91.0

280.0

59.0

3

Brazed Insert

83.5

111.5

119.0

63.0

1

TC__16T3__

84.0

111.5

119.0

63.0

2

CC__09T3__

84.0

111.5

119.0

63.0

2

EC__1204__

84.5

111.5

119.0

63.0

3

Brazed Insert

83.5

111.5

199.0

70.0

1

TC__16T3__

84.0

111.5

199.0

70.0

2

CC__09T3__

84.0

111.5

199.0

70.0

2

EC__1204__

84.5

111.5

199.0

70.0

3

Brazed Insert

83.5

111.5

299.5

76.5

1

TC__16T3__

84.0

111.5

299.5

76.5

2

CC__09T3__

84.0

111.5

299.5

76.5

2

EC__1204__

84.5

111.5

299.5

76.5

3

Brazed Insert

97.5

144.5

121.5

83.0

2

TC__16T3__

98.0

144.5

121.5

83.0

1

CC__1204__

98.0

144.5

121.5

83.0

1

EC__1204__

99.5

144.5

121.5

83.0

3

Brazed Insert

97.5

144.5

299.5

92.0

2

TC__16T3__

98.0

144.5

299.5

92.0

1

CC__1204__

98.0

144.5

299.5

92.0

1

EC__1204__

99.5

144.5

299.5

92.0

3

Brazed Insert


Minimum diameters allow bar to flat bottom.  The minimum diameter can be reduced if machining a through bore.

Boring Range (A) Min

Boring Range (A) Max

B Min.

D

Cartridge Unit

Insert Type Fig.

Inert Type Insert

Boring Bar Order Ref Straight Shank 25mm

Boring Bar Order Ref Straight Shank 32mm

Boring Bar Order Ref Straight Shank 40mm

15.6

17.0

83.0

15.5

1

TCMT06T104

18.5

20.0

82.5

15.5

2

EP__0402__

18.3

19.5

82.5

15.5

3

Brazed Insert

16.8

19.0

83.0

16.5

1

TCMT06T104

19.0

22.5

82.5

16.5

2

EP__0402__

18.3

22.0

82.5

16.5

3

Brazed Insert

19.0

24.5

88.5

19.0

1

TCMT06T104

19.5

24.5

87.0

19.0

2

EP__0402__

19.0

24.0

87.0

19.0

3

Brazed Insert

24.0

30.0

110.5

22.5

1

TC__0902__

24.5

31.5

107.0

22.5

2

CC__0602__

24.5

31.5

107.0

22.5

2

EP__0602__

22.5

30.5

107.0

22.5

3

Brazed Insert

29.0

41.5

120.5

28.0

1

TC__0902__

29.0

42.5

117.0

28.0

2

CC__0602__

29.0

42.5

117.0

28.0

2

EP__0602__

27.0

41.5

117.0

28.0

3

Brazed Insert

29.0

41.5

132.0

28.0

1

TC__0902__

29.0

42.5

132.0

28.0

2

CC__0602__

29.0

42.5

135.5

28.0

2

EP__0602__

27.0

41.5

132.0

28.0

3

Brazed Insert

42.0

53.0

116.0

35.0

1

TC__1102__

39.5

52.0

116.0

35.0

2

CC__0602__

39.0

51.5

116.0

35.0

2

EP__0803__

39.5

52.0

116.0

35.0

3

Brazed Insert

42.0

53.0

173.0

35.0

1

TC__1102__

39.5

52.0

173.0

35.0

2

CC__0602__

39.0

51.5

173.0

35.0

2

EP__0803__

39.5

52.0

173.00

35.0

3

Brazed Insert

50.2

71.5

116.0

41.5

1

TC__1102__

47.5

70.5

116.0

41.5

2

CC__0602__

47.5

70.5

116.0

41.5

2

EP__0803__

47.0

70.0

116.0

41.5

3

Brazed Insert

50.2

71.5

186.0

41.5

1

TC__1102__

47.5

70.5

186.0

41.5

2

CC__0602__

47.5

70.5

186.0

41.5

2

EP__0803__

47.0

70.0

186.0

41.5

3

Brazed Insert

63.0

91.0

128.0

50.5

1

TC__16T3__

63.0

91.0

128.0

50.5

2

CC__09T3__

63.0

91.0

128.0

50.5

2

EC__1204__

63.5

91.0

128.0

50.5

3

Brazed Insert

83.5

111.5

88.0

63.0

1

TC__16T3__

84.0

111.5

88.0

63.0

2

CC__09T3__

84.0

111.5

88.0

63.0

2

EC__1204__

84.5

111.5

88.0

63.0

3

Brazed Insert

83.5

111.5

119.0

63.0

1

TC__16T3__

84.0

111.5

119.0

63.0

2

CC__09T3__

84.0

111.5

119.0

63.0

2

EC__1204__

84.5

111.5

119.0

63.0

3

Brazed Insert

Minimum diameters allow bar to flat bottom. The minimum diameter can be reduced if machining a through bore.

Boring Range (A) Min

Boring Range (A) Max

E Min

L

Shank

Cartridge Unit

Insert Type Fig

Insert Type Insert

Microbore Part No

12.5

14.5

2.4

135.0

12.0

1

WBGT030102LW

12.2

13.0

1.2

135.0

12.0

3

Brazed

14.8

17.0

2.3

135.0

12.0

3

Brazed

13.5

15.5

2.2

140.0

12.0

1

WBGT030102LW

12.6

13.5

0.8

140.0

12.0

3

Brazed

15.5

22.5

2.2

145.0

12.0

2

WBGT030102LW

15.0

20.5

0.5

145.0

12.0

3

Brazed

19.0

24.5

1.6

160.0

16.0

1

TC__06T1__

19.5

24.5

0.3

160.0

16.0

2

EP__0402__

19.0

23.5

0.3

160.0

16.0

3

Brazed

24.0

30.5

3.3

170.0

20.0

1

TC__0902__

24.5

31.5

0.3

170.0

20.0

2

CC__0602__

24.5

31.5

0.3

170.0

20.0

2

EP__0602__

24.0

30.5

0.3

170.0

20.0

3

Brazed

29.0

41.5

3.3

185.0

25.0

1

TC__0902__

29.0

42.5

0.3

185.0

25.0

2

CC__0602__

28.5

42.5

0.3

185.0

25.0

2

EP__0602__

28.0

41.5

0.3

185.0

25.0

3

Brazed

Minimum diameters allow bar to flat bottom. The minimum diameter can be reduced if machining a through bore.

Boring Range (A) Min

Boring Range (A) Max

B Head Length

E Min

F Head

L Length

Cartridge Unit

Insert Type Fig.

Insert Type Insert

Microbore Bar Part No.

36.5

49.0

42.0

1.0

25.0

165.0

1

TC__0902__

36.5

49.0

42.0

1.0

25.0

165.0

2

CC__0602__

49.0

66.5

45.0

1.5

35.0

165.0

1

TC__1102__

49.0

66.5

45.0

1.5

35.0

165.0

2

CC__0602__

66.5

85.5

50.0

1.5

52.0

165.0

1

TC__16T3__

66.5

85.5

50.0

1.5

52.0

165.0

2

CC__1204__

85.0

122.5

50.0

2.0

65.0

165.0

1

TC__1102__

85.0

122.5

50.0

2.0

65.0

165.0

2

CC__09T3__


Supplied with thro’ coolant holes.
For use on standard ADE2248 adaptors

Boring Range (A) Min

Boring Range (A) Max

E Min

B Length

Cartridge Unit

Insert Type Fig.

Insert Type Insert

Microbore Ring Part No.

81.0

128.5

1.0

60.0

1

TC__1102__

81.0

128.5

1.0

60.0

2

CC_09T3__

116.0

163.5

1.0

60.0

1

TC__1102__

116.0

163.5

1.0

60.0

2

CC_09T3__

Refer to Microbore Adaptor Range Catalogue for ADE2248 Adaptor details.

Supplied with thro’ coolant holes.
For use on standard ADE3282 adaptors

Boring Range (A) Min

Boring Range (A) Max

E Min

B Length

Cartridge Unit

Insert Type Fig.

Insert Type Insert

Microbore Ring Part No.

136.5

181.0

1.0

50.0

1

TC__1102__

136.5

181.0

1.0

50.0

2

CC__09T3__

177.5

222.0

1.0

50.0

1

TC__1102__

177.5

222.0

1.0

50.0

2

CC__09T3__

218.5

263.0

1.0

50.0

1

TC__1102__

218.5

263.0

1.0

50.0

2

CC__09T3__

259.5

304.0

1.0

50.0

1

TC__1102__

259.5

304.0

1.0

50.0

2

CC__09T3__

300.5

345.0

1.0

50.0

1

TC__1102__

300.5

345.0

1.0

50.0

2

CC__09T3__

341.5

386.0

1.0

50.0

1

TC__1102__

341.5

386.0

1.0

50.0

2

CC__09T3__

382.5

427.0

1.0

50.0

1

TC__1102__

382.5

427.0

1.0

50.0

2

CC__09T3__

Refer to Microbore Adaptor Range Catalogue for ADE3282 Adaptor details.