Left Hand Boring Bars - Coated
Please allow 1-2 weeks delivery outside the USA
Discover our high-performance Left-Hand Boring Bars, available in both coated and uncoated options to suit a range of machining needs.
The AlTiN+ coating enhances surface finish and wear resistance, while the elliptically ground neck ensures maximum strength and stability.
Crafted from premium submicron grade carbide, these tools offer exceptional durability, precision, and long-lasting performance.
Perfect for a variety of materials, our left-hand boring bars provide reliable, high-quality results in demanding machining applications.
Choose the ideal option for your needs and optimize your machining process today.

| A (Minimum Bore) | B (Maximum Depth) | S (Shank Diameter) | OAL | Tool # | Uncoated EDP # | AlTiN+ EDP # |
|---|---|---|---|---|---|---|
| 0.050 | 0.150 | 0.1250 | 1.50 | LHB050150 | SCI.211794 | SCI.215001 |
| 0.050 | 0.200 | 0.1250 | 1.50 | LHB050200 | SCI.211797 | SCI.215004 |
| 0.050 | 0.300 | 0.1250 | 1.50 | LHB050300 | SCI.211800 | SCI.215007 |
| 0.050 | 0.400 | 0.1250 | 1.50 | LHB050400 | SCI.211803 | SCI.215010 |
| 0.060 | 0.150 | 0.1250 | 1.50 | LHB060150 | SCI.211806 | SCI.215013 |
| 0.060 | 0.200 | 0.1250 | 1.50 | LHB060200 | SCI.211809 | SCI.215016 |
| 0.060 | 0.300 | 0.1250 | 1.50 | LHB060300 | SCI.211812 | SCI.215019 |
| 0.060 | 0.400 | 0.1250 | 1.50 | LHB060400 | SCI.211815 | SCI.215022 |
| 0.060 | 0.500 | 0.1250 | 1.50 | LHB060500 | SCI.211818 | SCI.215025 |
| 0.080 | 0.150 | 0.1250 | 1.50 | LHB080150 | SCI.211821 | SCI.215028 |
| 0.080 | 0.200 | 0.1250 | 1.50 | LHB080200 | SCI.211824 | SCI.215031 |
| 0.080 | 0.300 | 0.1250 | 1.50 | LHB080300 | SCI.211827 | SCI.215034 |
| 0.080 | 0.400 | 0.1250 | 1.50 | LHB080400 | SCI.211830 | SCI.215037 |
| 0.080 | 0.500 | 0.1250 | 1.50 | LHB080500 | SCI.211833 | SCI.215040 |
| 0.080 | 0.600 | 0.1250 | 1.50 | LHB080600 | SCI.211836 | SCI.215043 |
| 0.100 | 0.150 | 0.1250 | 1.50 | LHB100150 | SCI.211839 | SCI.215046 |
| 0.100 | 0.200 | 0.1250 | 1.50 | LHB100200 | SCI.211842 | SCI.215049 |
| 0.100 | 0.300 | 0.1250 | 1.50 | LHB100300 | SCI.211845 | SCI.215052 |
| 0.100 | 0.400 | 0.1250 | 1.50 | LHB100400 | SCI.211848 | SCI.215055 |
| 0.100 | 0.500 | 0.1250 | 1.50 | LHB100500 | SCI.211851 | SCI.215058 |
| 0.100 | 0.600 | 0.1250 | 1.50 | LHB100600 | SCI.211854 | SCI.215061 |
| 0.100 | 0.700 | 0.1250 | 1.50 | LHB100700 | SCI.211857 | SCI.215064 |
| 0.110 | 0.150 | 0.1250 | 1.50 | LHB110150 | SCI.211860 | SCI.215067 |
| 0.110 | 0.200 | 0.1250 | 1.50 | LHB110200 | SCI.211863 | SCI.215070 |
| 0.110 | 0.300 | 0.1250 | 1.50 | LHB110300 | SCI.211866 | SCI.215073 |
| 0.110 | 0.400 | 0.1250 | 1.50 | LHB110400 | SCI.211869 | SCI.215076 |
| 0.110 | 0.500 | 0.1250 | 1.50 | LHB110500 | SCI.211872 | SCI.215079 |
| 0.110 | 0.600 | 0.1250 | 1.50 | LHB110600 | SCI.211875 | SCI.215082 |
| 0.110 | 0.700 | 0.1250 | 1.50 | LHB110700 | SCI.211878 | SCI.215085 |
| 0.120 | 0.250 | 0.1875 | 2.00 | LHB120250 | SCI.211881 | SCI.215088 |
| 0.120 | 0.350 | 0.1875 | 2.00 | LHB120350 | SCI.211884 | SCI.215091 |
| 0.120 | 0.500 | 0.1875 | 2.00 | LHB120500 | SCI.211887 | SCI.215094 |
| 0.120 | 0.600 | 0.1875 | 2.00 | LHB120600 | SCI.211890 | SCI.215097 |
| 0.120 | 0.700 | 0.1875 | 2.00 | LHB120700 | SCI.211893 | SCI.215100 |
| 0.120 | 0.800 | 0.1875 | 2.00 | LHB120800 | SCI.211896 | SCI.215103 |
| 0.140 | 0.250 | 0.1875 | 2.00 | LHB140250 | SCI.211899 | SCI.215106 |
| 0.140 | 0.400 | 0.1875 | 2.00 | LHB140400 | SCI.211902 | SCI.215109 |
| 0.140 | 0.500 | 0.1875 | 2.00 | LHB140500 | SCI.211905 | SCI.215112 |
| 0.140 | 0.600 | 0.1875 | 2.00 | LHB140600 | SCI.211908 | SCI.215115 |
| 0.140 | 0.700 | 0.1875 | 2.00 | LHB140700 | SCI.211911 | SCI.215118 |
| 0.140 | 0.750 | 0.1875 | 2.00 | LHB140750 | SCI.211914 | SCI.215121 |
| 0.140 | 0.800 | 0.1875 | 2.00 | LHB140800 | SCI.211917 | SCI.215124 |
| 0.160 | 0.250 | 0.1875 | 2.00 | LHB160250 | SCI.211923 | SCI.215130 |
| 0.160 | 0.400 | 0.1875 | 2.00 | LHB160400 | SCI.211926 | SCI.215133 |
| 0.160 | 0.500 | 0.1875 | 2.00 | LHB160500 | SCI.211929 | SCI.215136 |
| 0.160 | 0.600 | 0.1875 | 2.00 | LHB160600 | SCI.211932 | SCI.215139 |
| 0.160 | 0.750 | 0.1875 | 2.00 | LHB160750 | SCI.211935 | SCI.215142 |
| 0.160 | 0.900 | 0.1875 | 2.00 | LHB160900 | SCI.211938 | SCI.215145 |
| 0.160 | 1.000 | 0.1875 | 2.00 | LHB1601000 | SCI.211920 | SCI.215127 |
| 0.180 | 0.350 | 0.2500 | 2.50 | LHB180350 | SCI.211947 | SCI.215154 |
| 0.180 | 0.500 | 0.2500 | 2.50 | LHB180500 | SCI.211950 | SCI.215157 |
| 0.180 | 0.600 | 0.2500 | 2.50 | LHB180600 | SCI.211953 | SCI.215160 |
| 0.180 | 0.750 | 0.2500 | 2.50 | LHB180750 | SCI.211956 | SCI.215163 |
| 0.180 | 0.900 | 0.2500 | 2.50 | LHB180900 | SCI.211959 | SCI.215166 |
| 0.180 | 1.000 | 0.2500 | 2.50 | LHB1801000 | SCI.211941 | SCI.215148 |
| 0.180 | 1.100 | 0.2500 | 2.50 | LHB1801100 | SCI.211944 | SCI.215151 |
| 0.200 | 0.400 | 0.2500 | 2.50 | LHB200400 | SCI.211974 | SCI.215181 |
| 0.200 | 0.500 | 0.2500 | 2.50 | LHB200500 | SCI.211977 | SCI.215184 |
| 0.200 | 0.600 | 0.2500 | 2.50 | LHB200600 | SCI.211980 | SCI.215187 |
| 0.200 | 0.700 | 0.2500 | 2.50 | LHB200700 | SCI.211983 | SCI.215190 |
| 0.200 | 0.800 | 0.2500 | 2.50 | LHB200800 | SCI.211986 | SCI.215193 |
| 0.200 | 0.900 | 0.2500 | 2.50 | LHB200900 | SCI.211989 | SCI.215196 |
| 0.200 | 1.000 | 0.2500 | 2.50 | LHB2001000 | SCI.211962 | SCI.215169 |
| 0.200 | 1.100 | 0.2500 | 2.50 | LHB2001100 | SCI.211965 | SCI.215172 |
| 0.200 | 1.200 | 0.2500 | 2.50 | LHB2001200 | SCI.211968 | SCI.215175 |
| 0.200 | 1.300 | 0.2500 | 2.50 | LHB2001300 | SCI.211971 | SCI.215178 |
| 0.230 | 0.400 | 0.3125 | 2.50 | LHB230400 | SCI.212013 | SCI.215220 |
| 0.230 | 0.500 | 0.3125 | 2.50 | LHB230500 | SCI.212016 | SCI.215223 |
| 0.230 | 0.600 | 0.3125 | 2.50 | LHB230600 | SCI.212019 | SCI.215226 |
| 0.230 | 0.700 | 0.3125 | 2.50 | LHB230700 | SCI.212022 | SCI.215229 |
| 0.230 | 0.800 | 0.3125 | 2.50 | LHB230800 | SCI.212025 | SCI.215232 |
| 0.230 | 0.900 | 0.3125 | 2.50 | LHB230900 | SCI.212028 | SCI.215235 |
| 0.230 | 1.000 | 0.3125 | 2.50 | LHB2301000 | SCI.211992 | SCI.215199 |
| 0.230 | 1.150 | 0.3125 | 2.50 | LHB2301150 | SCI.211995 | SCI.215202 |
| 0.230 | 1.200 | 0.3125 | 2.50 | LHB2301200 | SCI.211998 | SCI.215205 |
| 0.230 | 1.250 | 0.3125 | 2.50 | LHB2301250 | SCI.212001 | SCI.215208 |
| 0.230 | 1.400 | 0.3125 | 2.50 | LHB2301400 | SCI.212004 | SCI.215211 |
| 0.230 | 1.500 | 0.3125 | 2.50 | LHB2301500 | SCI.212007 | SCI.215214 |
| 0.230 | 1.600 | 0.3125 | 3.00 | LHB2301600 | SCI.212010 | SCI.215217 |
| 0.290 | 0.500 | 0.3125 | 2.50 | LHB290500 | SCI.212052 | SCI.215259 |
| 0.290 | 0.600 | 0.3125 | 2.50 | LHB290600 | SCI.212055 | SCI.215262 |
| 0.290 | 0.750 | 0.3125 | 2.50 | LHB290750 | SCI.212058 | SCI.215265 |
| 0.290 | 0.900 | 0.3125 | 2.50 | LHB290900 | SCI.212061 | SCI.215268 |
| 0.290 | 1.000 | 0.3125 | 2.50 | LHB2901000 | SCI.212031 | SCI.215238 |
| 0.290 | 1.100 | 0.3125 | 2.50 | LHB2901100 | SCI.212034 | SCI.215241 |
| 0.290 | 1.250 | 0.3125 | 2.50 | LHB2901250 | SCI.212037 | SCI.215244 |
| 0.290 | 1.350 | 0.3125 | 2.50 | LHB2901350 | SCI.212040 | SCI.215247 |
| 0.290 | 1.500 | 0.3125 | 2.50 | LHB2901500 | SCI.212043 | SCI.215250 |
| 0.290 | 1.600 | 0.3125 | 3.00 | LHB2901600 | SCI.212046 | SCI.215253 |
| 0.290 | 1.750 | 0.3125 | 3.00 | LHB2901750 | SCI.212049 | SCI.215256 |
| 0.320 | 0.500 | 0.3750 | 2.50 | LHB320500 | SCI.212091 | SCI.215298 |
| 0.320 | 0.600 | 0.3750 | 2.50 | LHB320600 | SCI.212094 | SCI.215301 |
| 0.320 | 0.750 | 0.3750 | 2.50 | LHB320750 | SCI.212097 | SCI.215304 |
| 0.320 | 0.900 | 0.3750 | 2.50 | LHB320900 | SCI.212100 | SCI.215307 |
| 0.320 | 1.000 | 0.3750 | 2.50 | LHB3201000 | SCI.212064 | SCI.215271 |
| 0.320 | 1.100 | 0.3750 | 2.50 | LHB3201100 | SCI.212067 | SCI.215274 |
| 0.320 | 1.250 | 0.3750 | 2.50 | LHB3201250 | SCI.212070 | SCI.215277 |
| 0.320 | 1.500 | 0.3750 | 2.50 | LHB3201500 | SCI.212073 | SCI.215280 |
| 0.320 | 1.600 | 0.3750 | 3.00 | LHB3201600 | SCI.212076 | SCI.215283 |
| 0.320 | 1.800 | 0.3750 | 3.00 | LHB3201800 | SCI.212079 | SCI.215286 |
| 0.320 | 2.000 | 0.3750 | 4.00 | LHB3202000 | SCI.212082 | SCI.215289 |
| 0.320 | 2.500 | 0.3750 | 4.00 | LHB3202500 | SCI.212085 | SCI.215292 |
| 0.320 | 3.000 | 0.3750 | 4.00 | LHB3203000 | SCI.212088 | SCI.215295 |
| 0.360 | 0.500 | 0.3750 | 2.50 | LHB360500 | SCI.212130 | SCI.215337 |
| 0.360 | 0.600 | 0.3750 | 2.50 | LHB360600 | SCI.212133 | SCI.215340 |
| 0.360 | 0.750 | 0.3750 | 2.50 | LHB360750 | SCI.212136 | SCI.215343 |
| 0.360 | 0.900 | 0.3750 | 2.50 | LHB360900 | SCI.212139 | SCI.215346 |
| 0.360 | 1.000 | 0.3750 | 2.50 | LHB3601000 | SCI.212103 | SCI.215310 |
| 0.360 | 1.150 | 0.3750 | 2.50 | LHB3601150 | SCI.212106 | SCI.215313 |
| 0.360 | 1.250 | 0.3750 | 2.50 | LHB3601250 | SCI.212109 | SCI.215316 |
| 0.360 | 1.500 | 0.3750 | 2.50 | LHB3601500 | SCI.212112 | SCI.215319 |
| 0.360 | 1.600 | 0.3750 | 3.00 | LHB3601600 | SCI.212115 | SCI.215322 |
| 0.360 | 1.800 | 0.3750 | 3.00 | LHB3601800 | 21SCI.2118 | SCI.215325 |
| 0.360 | 2.000 | 0.3750 | 4.00 | LHB3602000 | SCI.212121 | SCI.215328 |
| 0.360 | 2.500 | 0.3750 | 4.00 | LHB3602500 | SCI.212124 | SCI.215331 |
| 0.360 | 3.000 | 0.3750 | 4.00 | LHB3603000 | SCI.212127 | SCI.215334 |
| 0.490 | 0.750 | 0.5000 | 3.00 | LHB490750 | SCI.212175 | SCI.215382 |
| 0.490 | 1.000 | 0.5000 | 3.00 | LHB4901000 | SCI.212142 | SCI.215349 |
| 0.490 | 1.250 | 0.5000 | 3.00 | LHB4901250 | SCI.212145 | SCI.215352 |
| 0.490 | 1.500 | 0.5000 | 3.00 | LHB4901500 | SCI.212148 | SCI.215355 |
| 0.490 | 2.000 | 0.5000 | 4.00 | LHB4902000 | SCI.212151 | SCI.215358 |
| 0.490 | 2.500 | 0.5000 | 4.00 | LHB4902500 | SCI.212154 | SCI.215361 |
| 0.490 | 2.600 | 0.5000 | 4.00 | LHB4902600 | SCI.212157 | SCI.215364 |
| 0.490 | 2.750 | 0.5000 | 4.00 | LHB4902750 | SCI.212160 | SCI.215367 |
| 0.490 | 3.000 | 0.5000 | 6.00 | LHB4903000 | SCI.212163 | SCI.215370 |
| 0.490 | 3.500 | 0.5000 | 6.00 | LHB4903500 | SCI.212166 | SCI.215373 |
| 0.490 | 4.000 | 0.5000 | 6.00 | LHB4904000 | SCI.212169 | SCI.215376 |
| 0.490 | 4.500 | 0.5000 | 6.00 | LHB4904500 | SCI.212172 | SCI.215379 |