The MICROBORE range of straight shank boring bars complements other products within its portfolio widening the applications that fine boring tooling can be used in.
• ISO designations.
• Rigid bar design.
• Composite shank for rotary and stationary
tool holders.
• Complete size range for any size hole. 


STANDARD STRAIGHT SHANK BARS 25mm, 32mm and 40mm 

Boring Range A		B      Min	D	Cartridge Unit	Insert Type		Bar Ref No.
Min	Max				Fig.	Insert
15.6	17	83	15.5	M2B2S-T06-40	1	TCMT06T104	MSS25-535M
18.5	20	82.5		M2B2V-40	2	EP_ _0402_ _
18.3	19.5	82.5	15.5	M2B2**-40	3	Brazed Insert
16.8	19	83	16.5	M2B2S-T06-40	1	TCMT06T104	MSS25-536M
19	22.5	82.5		M2B2V-40	2	EP_ _0402_ _
18.3	22	82.5	16.5	M2B2**-40	3	Brazed Insert
19	24.5	88.5	19	M2B2-T06-40	1	TCMT06T104	MSS25-54M
19.5	24.5	87		M2B2V-40	2	EP_ _0402_ _
19	24	87	19	M2B2**-40	3	Brazed Insert
24	30	110.5	22.5	M3B2T09-40	1	TC_ _0902_ _	MSS25-55M
24.5	31.5	107		M3B2C06-40	2	CC_ _0602_ _
24.5	31.5	107		M3B2V-40	2	EP_ _0602_ _
22.5	30.5	107	22.5	M3B2**-40	3	Brazed Insert
29	41.5	120.5	28	M3A2T09-40	1	TC_ _0902_ _	MSS25-56M MSS32-56M
29	42.5	117		M3A2C06-40	2	CC_ _0602_ _
29	42.5	117		M3A2V-40	2	EP_ _0602_ _
27	41.5	117	28	M3A2**-40	3	Brazed Insert
29	41.5	132	28	M3A2T09-40	1	TC_ _0902_ _	MSS25-57M MSS40-57M
29	42.5	132		M3A2C06-40	2	CC_ _0602_ _
29	42.5	135.5		M3A2V-40	2	EP_ _0602_ _
27	41.5	132	28	M3A2**-40	3	Brazed Insert
42	53	116	35	M5B2T11-40	1	TC_ _1102_ _	MSS25-58M MSS32-58M MSS40-58M
39.5	52			M5B2C06-40	2	CC_ _0602_ _
39	51.5			M5B2V-40	2	EP_ _0803_ _
39.5	52	116	35	M5B2**-40	3	Brazed Insert
42.0	53.0	173.0	35.0	M5B2T11-40	1	TC_ _1102_ _	MSS40-59M
39.5	52.0			M5B2C06-40	2	CC_ _0602_ _
39.0	51.5			M5B2V-40	2	EP_ _0803_ _
39.5	52.0	173.0	35.0	M5B2**-40	3	Brazed Insert
50.2	71.5	116.0	41.5	M5A2T11-40	1	TC_ _1102_ _	MSS25-60M MSS32-60M MSS40-60M
47.5	70.5			M5A2C06-40	2	CC_ _0602_ _
47.5	70.5			M5A2V-40	2	EP_ _0803_ _
47.0	70.0	116.0	41.5	M5A2**-40	3	Brazed Insert
50.2	71.5	186.0	41.5	M5A2T11-40	1	TC_ _1102_ _	MSS40-61M
47.5	70.5			M5A2C06-40	2	CC_ _0602_ _
47.5	70.5			M5A2V-40	2	EP_ _0803_ _
47.0	70.0	186.0	41.5	M5A2**-40	3	Brazed Insert
63.0	91.0	128.0	50.5	M7A2T16-80	1	TC_ _16T3_ _	MSS40-63M
63.0	91.0			M7A2C09-80	2	CC_ _09T3_ _
63.0	91.0			M7A2V-80	2	EC_ _1204_ _
63.5	91.0	128.0	50.5	M7A2**-80	3	Brazed Insert
83.5	111.5	88.0	63.0	M7A2T16-80	1	TC_ _16T3_ _	MSS40-66M
84.0	111.5			M7A2C09-80	2	CC_ _09T3_ _
84.0	111.5			M7A2V-80	2	EC_ _1204_ _
84.5	111.5	88.0	63.0	M7A2**-80	3	Brazed Insert
83.5	111.5	119.0	63.0	M7A2T16-80	1	TC_ _16T3_ _	MSS40-67M
84.0	111.5			M7A2C09-80	2	CC_ _09T3_ _
84.0	111.5			M7A2V-80	2	EC_ _1204_ _
84.5	111.5	119.0	63.0	M7A2**-80	3	Brazed Insert

PARALLEL BORING BARS
12MM, 16MM, 20MM AND 25MM
* Replace with brazed grade.
 

Boring Range		E MIN	L	Shank Ø	Cartridge Unit	Insert Type		Microbore Bar Part No.
A
Min	Max					Fig.	Insert.
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	M1B2**-40	3	Brazed
14.8	17.0	2.3	135.0	12.0	M1A2**-40	3	Brazed
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	M1B2**-40	3	Brazed
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	M1A2**-40	3	Brazed
19.0	24.5	1.6	160.0	16.0	M2B2T06-40	1	TC_ _06T1_ _	MPS16-190-160
19.5	24.5	0.3			M2B2V-40	2	EP_ _0402_ _
19.0	23.5	0.3	160.0	16.0	M2B2**-40	3	Brazed
24.0	30.5	3.3	170.0	20.0	M3B2T09-40	1	TC_ _0902_ _	MPS20-240-170
24.5	31.5	0.3			M3B2C06-40	2	CC_ _0602_ _
24.5	31.5	0.3			M3B2V-40	2	EP_ _0602_ _
24.0	30.5	0.3	170.0	20.0	M3B2**-40	3	Brazed
29.0	41.5	3.3	185.0	25.0	M3A2T09-40	1	TC_ _0902_ _	MPS25-290-185
29.0	42.5	0.3			M3A2C06-40	2	CC_ _0602_ _
28.5	42.5	0.3			M3A2V-40	2	EP_ _0602_ _
28.0	41.5	0.3	185.0	25.0	M3A2**-40	3	Brazed

PARALLEL BORING BAR SET

Microbore Parallel Boring Bars can be used with collet chuck adapters and Endmill adapters.

The bars can be chucked inside an adaptor to reduce overhang which increase rigidity and accuracy.

The set consists of 6 bars, 6 cartridge units, 6 cartridges, dial wrenches and allen keys to suit, all fitted in a storage box.

They are available to suit either Brazed or Indexable units and cover a general range from 12.7mm to 41.8mm varying on which units are fitted. 
More info: 

PAR BARS (2-Tool)
A range of imperial parallel shank boring bars with an angular and square tool holes. 04PAR – 26PAR.
More info: 

SQUARE MOUNTED PARALLEL SHANK BORING BARS

Single tool boring bars in 32mm Shanks to take square mounted headed indexable boring cartridges.
More info: