Boring Tools

HELICAL BACK RAKE
BORING TOOLS
Neck is centered to shank for use in jig boring machines. The helical grind provides an ideal top rake for better chip control. Left-hand boring tools also available.
N/C GENERATION
Shank Diameter -.0001 to -.0003”
Minimum Bore Dia. +.001 -.000”
Maximum Bore Depth +.030 -.000”
Overall Length +1/64 Prices are pulled from our database in real time. Press Add button to see product price.

Shank Dia. D2	OAL L1	Bore Dia. D1	Bore Depth L2	Neck Dia. N	Part Number
1/8	1-1/2	0.020	1/16	0.015	MI-HBB020062 Add
		0.025	1/16	0.020	MI-HBB025062 Add
			1/8	0.020	MI-HBB025125 Add
		0.030	1/8	0.025	MI-HBB030125 Add
			3/16	0.025	MI-HBB030187 Add
		0.035	1/8	0.030	MI-HBB035125 Add
			3/16	0.030	MI-HBB035187 Add
		0.040	3/16	0.035	MI-HBB040187 Add
			1/4	0.035	MI-HBB040250 Add
		0.050	5/16	0.040	MI-HBB050312 Add
		0.060	3/8	0.050	MI-HBB060375 Add
		0.070	7/16	0.060	MI-HBB070437 Add
		0.080	1/2	0.070	MI-HBB080500 Add
		0.090	1/2	0.080	MI-HBB090500 Add
		0.100	9/16	0.090	MI-HBB100562 Add
		0.120	5/8	0.100	MI-HBB120625 Add
			1	0.100	MI-HBB1201000 Add
3/16	2	0.135	3/4	0.110	MI-HBB135750 Add
			1	0.110	MI-HBB1351000 Add
		0.150	1	0.130	MI-HBB1501000 Add
			1-1/4	0.130	MI-HBB1501250 Add
		0.180	1	0.160	MI-HBB1801000 Add
			1-1/4	0.160	MI-HBB1801250 Add
			1-1/2	0.160	MI-HBB1801500 Add
1/4	2-1/2	0.210	1	0.185	MI-HBB2101000 Add
			1-1/4	0.185	MI-HBB2101250 Add
			1-1/2	0.185	MI-HBB2101500 Add
		0.240	1	0.215	MI-HBB2401000 Add
			1-1/2	0.215	MI-HBB2401500 Add
3/16	2	0.135	3/4	0.110	MI-HBB135750 Add
			1	0.110	MI-HBB1351000 Add
		0.150	1	0.130	MI-HBB1501000 Add
			1-1/4	0.130	MI-HBB1501250 Add
		0.180	1	0.160	MI-HBB1801000 Add
			1-1/4	0.160	MI-HBB1801250 Add
			1-1/2	0.160	MI-HBB1801500 Add
1/4	2-1/2	0.210	1	0.185	MI-HBB2101000 Add
			1-1/4	0.185	MI-HBB2101250 Add
			1-1/2	0.185	MI-HBB2101500 Add
		0.240	1	0.215	MI-HBB2401000 Add
			1-1/2	0.215	MI-HBB2401500 Add
			1-3/4	0.215	MI-HBB2401750 Add
5/16	2-1/2	0.300	1	0.250	MI-HBB3001000 Add
			1-1/2	0.250	MI-HBB3001500 Add
			1-3/4	0.250	MI-HBB3001750 Add
3/8	2-1/2	0.360	1	0.320	MI-HBB3601000 Add
			1-1/2	0.320	MI-HBB3601500 Add
			1-3/4	0.320	MI-HBB3601750 Add
	4	0.360	2	0.320	MI-HBB3602000 Add
			2-1/4	0.320	MI-HBB3602250 Add
			2-1/2	0.320	MI-HBB3602500 Add
1/2	3	0.480	1-1/2	0.440	MI-HBB4801500 Add
			2	0.440	MI-HBB4802000 Add
	4	0.480	2-1/2	0.440	MI-HBB4802500 Add
			3	0.440	MI-HBB4803000 Add
	6	0.480	3-1/2	0.440	MI-HBB4803500 Add
			4	0.440	MI-HBB4804000 Add
			4-1/2	0.440	MI-HBB4804500 Add

BRAZED BORING TOOLS
A lockdown groove completely encircles the tool so that the cutting point can be turned to any desired position. Prices are pulled from our database in real time. Press Add button to see product price.

A	D	B	C	Part Number
3/8	5/16	2	3/4	MI-PB1 Add
		2-3/8	1-1/8	MI-PB2 Add
		2-3/4	1-1/2	MI-PB3 Add
	3/8	2-3/16	15/16	MI-PB4 Add
		2-21/32	1-13/32	MI-PB5 Add
		3-1/8	1-7/8	MI-PB6 Add
	7/16	2-3/8	1-1/8	MI-PB7 Add
		2-15/16	1-11/16	MI-PB8 Add
		3-1/2	2-1/4	MI-PB9 Add
1/2	5/16	2-1/4	3/4	MI-PB10 Add
		2-5/8	1-1/8	MI-PB11 Add
		3	1-1/2	MI-PB12 Add
	3/8	2-5/8	1-1/8	MI-PB13 Add
		3-3/16	1-11/16	MI-PB14 Add
		3-3/4	2-1/4	MI-PB15 Add
	7/16	3	1-1/2	MI-PB16 Add
		3-3/4	2-1/4	MI-PB17 Add
		4-1/2	3	MI-PB18 Add
5/8	5/16	2-1/4	3/4	MI-PB19 Add
		2-5/8	1-1/8	MI-PB20 Add
		3	1-1/2	MI-PB21 Add
	7/16	2-5/8	1-1/8	MI-PB22 Add
		3-3/16	1-11/16	MI-PB23 Add
		3-3/4	2-1/4	MI-PB24 Add
	9/16	3	1-1/2	MI-PB25 Add
		3-3/4	2-1/4	MI-PB26 Add
		4-1/2	3	MI-PB27 Add
	11/16	3-3/8	1-7/8	MI-PB28 Add
		4-5/16	2-13/16	MI-PB29 Add
		5-1/4	3-3/4	MI-PB30 Add

BORING TOOLS
TiAlN Coated
Ground w/ Helical Rake

• Max-Bore has a special helical flute for maximum shearing action with a better finish
• Eliptical neck for greater strength

Prices are pulled from our database in real time. Press Add button to see product price.

Min Bore	Radius	Shank	OAL	Max Depth	Part Number
.120	.007		2	.375	IT-11-1300 Add
				.500	IT-11-1305 Add
				.750	IT-11-1310 Add
.140	.007	3/16	2-1/2	.500	IT-11-1311 Add
				.750	IT-11-1312 Add
.160	.007	3/16	2-1/2	.500	IT-11-1313 Add
				.750	IT-11-1314 Add
				1.000	IT-11-1316 Add
.180	.007	3/16	2-1/2	.375	IT-11-1315 Add
				.500	IT-11-1320 Add
				.750	IT-11-1325 Add
				1.000	IT-11-1330 Add
.200	.007	1/4	2-1/2	.375	IT-11-1331 Add
				0.5	IT-11-1332 Add
				0.75	IT-11-1333 Add
				1	IT-11-1334 Add

Tools Up to .490 Min. Bore Available