Fine Boring Systems & Deep Hole Drilling
Microbore® Boring Bars - Technical Information
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Minimum diameters allow bar to flat bottom. The minimum diameter can be reduced if machining a through bore.
Boring Range (A)
MinBoring Range (A)
MaxB Min. D Cartridge Unit Insert Type
Fig.Inert Type
InsertBoring Bar Order Ref
Straight Shank
25mmBoring Bar Order Ref
Straight Shank
32mmBoring Bar Order Ref
Straight Shank
40mm
15.6 17.0 83.0 15.5 M2B2S-T06-40 1 TCMT06T104 MSS25-535M
18.5 20.0 82.5 15.5 M2B2V-40 2 EP__0402__ MSS25-535M
18.3 19.5 82.5 15.5 M2B2E-40
M2B212E-40
M2B2F-40
M2B212F-403 Brazed Insert MSS25-535M
16.8 19.0 83.0 16.5 M2B2S-T06-40 1 TCMT06T104 MSS25-536M
19.0 22.5 82.5 16.5 M2B2V-40 2 EP__0402__ MSS25-536M
18.3 22.0 82.5 16.5 M2B2E-40
M2B212E-40
M2B2F-40
M2B212F-403 Brazed Insert MSS25-536M
19.0 24.5 88.5 19.0 M2B2S-T06-40 1 TCMT06T104 MSS25-54M
19.5 24.5 87.0 19.0 M2B2V-40 2 EP__0402__ MSS25-54M
19.0 24.0 87.0 19.0 M2B2E-40
M2B212E-40
M2B2F-40
M2B212F-403 Brazed Insert MSS25-54M
24.0 30.0 110.5 22.5 M3B2T09-40 1 TC__0902__ MSS25-55M
24.5 31.5 107.0 22.5 M3B2C06-40 2 CC__0602__ MSS25-55M
24.5 31.5 107.0 22.5 M3B2V-40 2 EP__0602__ MSS25-55M
22.5 30.5 107.0 22.5 M3B2E-40
M3B212E-40
M3B2F-40
M3B212F-403 Brazed Insert MSS25-55M
29.0 41.5 120.5 28.0 M3A2T09-40 1 TC__0902__ MSS25-56M MSS32-560M
29.0 42.5 117.0 28.0 M3A2C06-40 2 CC__0602__ MSS25-56M MSS32-560M
29.0 42.5 117.0 28.0 M3A2V-40 2 EP__0602__ MSS25-56M MSS32-560M
27.0 41.5 117.0 28.0 M3A2E-40
M3A212E-40
M3A2F-40
M3A212F-403 Brazed Insert MSS25-56M MSS32-560M
29.0 41.5 132.0 28.0 M3A2T09-40 1 TC__0902__ MSS25-57M MSS40-57M
29.0 42.5 132.0 28.0 M3A2C06-40 2 CC__0602__ MSS25-57M MSS40-57M
29.0 42.5 135.5 28.0 M3A2V-40 2 EP__0602__ MSS25-57M MSS40-57M
27.0 41.5 132.0 28.0 M3A2E-40
M3A212E-40
M3A2F-40
M3A212F-403 Brazed Insert MSS25-57M MSS40-57M
42.0 53.0 116.0 35.0 M5B2T11-40 1 TC__1102__ MSS25-58M MSS32-58M MSS40-58M
39.5 52.0 116.0 35.0 M5B2C06-40 2 CC__0602__ MSS25-58M MSS32-58M MSS40-58M
39.0 51.5 116.0 35.0 M5B2V-40 2 EP__0803__ MSS25-58M MSS32-58M MSS40-58M
39.5 52.0 116.0 35.0 M5B2E-40
M5B212E-40
M5B2F-40
M5B212F-403 Brazed Insert MSS25-58M MSS32-58M MSS40-58M
42.0 53.0 173.0 35.0 M5B2T11-40 1 TC__1102__ MSS40-59M
39.5 52.0 173.0 35.0 M5B2C06-40 2 CC__0602__ MSS40-59M
39.0 51.5 173.0 35.0 M5B2V-40 2 EP__0803__ MSS40-59M
39.5 52.0 173.00 35.0 M5B2E-40
M5B212E-40
M5B2F-40
M5B212F-403 Brazed Insert MSS40-59M
50.2 71.5 116.0 41.5 M5A2T11-40 1 TC__1102__ MSS25-60M MSS32-60M MSS40-60M
47.5 70.5 116.0 41.5 M5A2C06-40 2 CC__0602__ MSS25-60M MSS32-60M MSS40-60M
47.5 70.5 116.0 41.5 M5A2V-40 2 EP__0803__ MSS25-60M MSS32-60M MSS40-60M
47.0 70.0 116.0 41.5 M5A2E-40
M5A212E-40
M5A2F-40
M5A212F-403 Brazed Insert MSS25-60M MSS32-60M MSS40-60M
50.2 71.5 186.0 41.5 M5A2T11-40 1 TC__1102__ MSS40-61M
47.5 70.5 186.0 41.5 M5A2C06-40 2 CC__0602__ MSS40-61M
47.5 70.5 186.0 41.5 M5A2V-40 2 EP__0803__ MSS40-61M
47.0 70.0 186.0 41.5 M5A2E-40
M5A212E-40
M5A2F-40
M5A212F-403 Brazed Insert MSS40-61M
63.0 91.0 128.0 50.5 M7A2T16-80
1 TC__16T3__ MSS40-63M
63.0 91.0 128.0 50.5 M7A2C09-80 2 CC__09T3__ MSS40-63M
63.0 91.0 128.0 50.5 M7A2V-80 2 EC__1204__ MSS40-63M
63.5 91.0 128.0 50.5 M7A2E-80
M7A212E-80
M7A2F-80
M7A212F-803 Brazed Insert MSS40-63M
83.5 111.5 88.0 63.0 M7A2T16-80
1 TC__16T3__ MSS40-66M
84.0 111.5 88.0 63.0 M7A2C09-80 2 CC__09T3__ MSS40-66M
84.0 111.5 88.0 63.0 M7A2V-80 2 EC__1204__ MSS40-66M
84.5 111.5 88.0 63.0 M7A2E-80
M7A212E-80
M7A2F-80
M7A212F-803 Brazed Insert MSS40-66M
83.5 111.5 119.0 63.0 M7A2T16-80
1 TC__16T3__ MSS40-67M
84.0 111.5 119.0 63.0 M7A2C09-80 2 CC__09T3__ MSS40-67M
84.0 111.5 119.0 63.0 M7A2V-80 2 EC__1204__ MSS40-67M
84.5 111.5 119.0 63.0 M7A2E-80
M7A212E-80
M7A2F-80
M7A212F-803 Brazed Insert MSS40-67M
Minimum diameters allow bar to flat bottom. The minimum diameter can be reduced if machining a through bore.
Boring Range (A)
MinBoring Range (A)
MaxE Min L Shank Cartridge Unit Insert Type
FigInsert Type
InsertMicrobore Part No
12.5 14.5 2.4 135.0 12.0 M1B2WB03-40 1 WBGT030102LW MPS12-125-135
12.2 13.0 1.2 135.0 12.0 M1B2E-40
M1B212E-40
M1B2F-40
M1B212F-403 Brazed MPS12-125-135
14.8 17.0 2.3 135.0 12.0 M1A2E-40
M1A212E-40
M1A2F-40
M1A212F-403 Brazed MPS12-125-135
13.5 15.5 2.2 140.0 12.0 M1B2WB03-40 1 WBGT030102LW MPS12-135-140
12.6 13.5 0.8 140.0 12.0 M1B2E-40
M1B212E-40
M1B2F-40
M1B212F-403 Brazed MPS12-135-140
15.5 22.5 2.2 145.0 12.0 M1A2WB03-40 2 WBGT030102LW MPS12-155-145
15.0 20.5 0.5 145.0 12.0 M1A2E-40
M1A212E-40
M1A2F-40
M1A212F-403 Brazed MPS12-155-145
19.0 24.5 1.6 160.0 16.0 M2B2T06-40 1 TC__06T1__ MPS16-190-160
19.5 24.5 0.3 160.0 16.0 M2B2V-40 2 EP__0402__ MPS16-190-160
19.0 23.5 0.3 160.0 16.0 M2B2E-40
M2B212E-40
M2B2F-40
M2B212F-403 Brazed MPS16-190-160
24.0 30.5 3.3 170.0 20.0 M3B2T09-40 1 TC__0902__ MPS20-240-170
24.5 31.5 0.3 170.0 20.0 M3B2C06-40 2 CC__0602__ MPS20-240-170
24.5 31.5 0.3 170.0 20.0 M3B2V-40 2 EP__0602__ MPS20-240-170
24.0 30.5 0.3 170.0 20.0 M3B2E-40
M3B212E-40
M3B2F-40
M3B212F-403 Brazed MPS20-240-170
29.0 41.5 3.3 185.0 25.0 M3A2T09-40 1 TC__0902__ MPS25-290-185
29.0 42.5 0.3 185.0 25.0 M3A2C06-40 2 CC__0602__ MPS25-290-185
28.5 42.5 0.3 185.0 25.0 M3A2V-40 2 EP__0602__ MPS25-290-185
28.0 41.5 0.3 185.0 25.0 M3A2E-40
M3A212E-40
M3A2F-40
M3A212F-403 Brazed MPS25-290-185
Minimum diameters allow bar to flat bottom. The minimum diameter can be reduced if machining a through bore.
Boring Range (A)
MinBoring Range (A)
MaxB Head Length E Min F Head L Length Cartridge Unit Insert Type
Fig.Insert Type
InsertMicrobore Bar Part No.
36.5 49.0 42.0 1.0 25.0 165.0 M030BS090T09-50 1 TC__0902__ MSS32BS363-42
36.5 49.0 42.0 1.0 25.0 165.0 M030BS090C06-50 2 CC__0602__ MSS32BS363-42
49.0 66.5 45.0 1.5 35.0 165.0 M050BS090T11-50 1 TC__1102__ MSS32BS490-45
49.0 66.5 45.0 1.5 35.0 165.0 M050BS090C06-50 2 CC__0602__ MSS32BS490-45
66.5 85.5 50.0 1.5 52.0 165.0 M070BS090T16-100 1 TC__16T3__ MSS32BS665-50
66.5 85.5 50.0 1.5 52.0 165.0 M070BS090C12-100 2 CC__1204__ MSS32BS665-50
85.0 122.5 50.0 2.0 65.0 165.0 M072-0L095TC-100 1 TC__1102__ MSS32BS850-50
85.0 122.5 50.0 2.0 65.0 165.0 M072-0L095C09-100 2 CC__09T3__ MSS32BS850-50
Supplied with thro’ coolant holes.
For use on standard ADE2248 adaptors
Boring Range (A)
MinBoring Range (A)
MaxE Min B Length Cartridge Unit Insert Type
Fig.Insert Type
InsertMicrobore Ring Part No.
81.0 128.5 1.0 60.0 M072-0L095TC-100 1 TC__1102__ RM081-ADE2248
81.0 128.5 1.0 60.0 M072-0L095C09-100 2 CC_09T3__ RM081-ADE2248
116.0 163.5 1.0 60.0 M072-0L095TC-100 1 TC__1102__ RM116-ADE2248
116.0 163.5 1.0 60.0 M072-0L095C09-100 2 CC_09T3__ RM116-ADE2248
Refer to Microbore Adaptor Range Catalogue for ADE2248 Adaptor details.
Supplied with thro’ coolant holes.
For use on standard ADE3282 adaptors
Boring Range (A)
MinBoring Range (A)
MaxE Min B Length Cartridge Unit Insert Type
Fig.Insert Type
InsertMicrobore Ring Part No.
136.5 181.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM136AL-ADE3282
136.5 181.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM136AL-ADE3282
177.5 222.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM177AL-ADE3282
177.5 222.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM177AL-ADE3282
218.5 263.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM218AL-ADE3282
218.5 263.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM218AL-ADE3282
259.5 304.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM259AL-ADE3282
259.5 304.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM259AL-ADE3282
300.5 345.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM300AL-ADE3282
300.5 345.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM300AL-ADE3282
341.5 386.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM341AL-ADE3282
341.5 386.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM341AL-ADE3282
382.5 427.0 1.0 50.0 M072-0L095TC-100 1 TC__1102__ RM382AL-ADE3282
382.5 427.0 1.0 50.0 M072-0L095C09-100 2 CC__09T3__ RM382AL-ADE3282
Refer to Microbore Adaptor Range Catalogue for ADE3282 Adaptor details.
