BORING TOOLS

page 23: MBB

Helical Back Rake Boring Tools

page 26-28: BB, BBL

 

Inch Catalog Page: 24 & 25

 

 

Shank Diameter              -.0001 to -.0003"
Minimum Bore Dia.        +.001 -.000"
Maximum Bore Depth    +.030 -.000"
Overall Length               ±1/64
 

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 and other sizes also available.

Steel holders available -- see Steel Holders.

Lockdown flat automatically locates tool on center.

TOOL # MIN. BORE DIA. SHANK DIA. OVERALL LENGTH MAX. BORING DEPTH NECK DIA.

D1

D2 L1 L2 N
HBB-020062 0.020 1/8 1-1/2 1/16 0.015
HBB-025062 0.025 0.020
HBB-025125 1/8
HBB-030125 0.030 0.025 
HBB-030187 3/16
HBB-035125 0.035 1/8 0.030
HBB-035187 3/16
HBB-040187 0.040 0.035
HBB-040250 1/4
HBB-050312 0.050 5/16 0.040
HBB-060375 0.060 3/8 0.050
HBB-070437 0.070 7/16 0.060
HBB-080500 0.080 1/2 0.070
HBB-090500 0.090 0.080
HBB-100562 0.100 9/16 0.090
HBB-120625 0.120 5/8 0.100
HBB-1201000 1
HBB-135750 0.135 3/16 2 3/4 0.110
HBB-1351000 1
HBB-1501000 0.150 0.130
HBB-1501250 1-1/4
HBB-1801000 0.180 1 0.160
HBB-1801250 1-1/4
HBB-1801500 1-1/2
HBB-2101000 0.210 1/4 2-1/2 1 0.185
HBB-2101250 1-1/4
HBB-2101500 1-1/2
HBB-2401000 0.240 1 0.215
HBB-2401500 1-1/2
HBB-2401750 1-3/4
HBB-3001000 0.300 5/16 1 0.250
HBB-3001500 1-1/2
HBB-3001750 1-3/4
HBB-3601000 0.360 3/8 1 0.320
HBB-3601500 1-1/2
HBB-3601750 1-3/4
HBB-3602000 4 2
HBB-3602250 2-1/4
HBB-3602500 2-1/2
HBB-4801500 0.480 1/2 3 1-1/2 0.440
HBB-4802000 2
HBB-4802500 4 2-1/2
HBB-4803000 3
HBB-4803500 6 3-1/2
HBB-4804000 4

HBB-4804500

4-1/2

 

Micro 100 Tool Corporation

1410 E Pine Ave, Meridian, ID 83642 USA

Tel: 208-888-7310       Fax: 208-888-2106

Toll Free: 800-421-8065

 

Send e-mail to Micro 100 Tool Corporation
or call at 1-800-421-8065