Featuring the Bowers ‘FASTFIT’ measuring heads with extended measuring range (above 14mm), the Ultima boasts a simple lever operation and a constant measuring force, ensuring outstanding ease of use and repeatability under laboratory or shop-floor conditions.
• UKAS certificates standard for all measuring heads and setting rings
• Measuring range 2-310mm (0.080''-12.000'')
• Resolution: 0.0001mm (0.00001'')
• Constant spring pressure for improved repeatability
• Good positive feel as heads self-centre in the bore
• Bowers Fastfit measuring heads for rapid changeover
• Ceramic anvils on heads above 12mm
• Blind-bore measurement standard above 12mm
• Possible to connect several probe holders to one single readout to measure different bore sizes at one measuring station
• The complete range of Bowers special heads is available for the Ultima (grooves, threads, splines, deep-bores etc)
• Depth stops available for all heads
• Alternative displays available on request
• Available without digital readout unit (if not required)
• Interchangeable probe option, to allow use of other manufacturers probes and displays
Individual Ultima Heads
Code No. | Range (mm) | Range (inch) | Accuracy (mm) | Accuracy (inch) | Repeatability (mm) | Repeatability (inch) | Measuring Depth (mm) | Measuring Depth (inch) |
ULH6 | 2.0-2.5 | 0.078-0.098 | 0.001 | 0.00004 | 0.001 | 0.00004 | 9 | 0.35 |
ULH7 | 2.5-3.0 | 0.098-0.118 | 0.001 | 0.00004 | 0.001 | 0.00004 | 9 | 0.35 |
ULH8 | 3.0-4.0 | 0.118-0.157 | 0.001 | 0.00004 | 0.001 | 0.00004 | 12 | 0.47 |
ULH9 | 4.0-5.0 | 0.157-0.197 | 0.001 | 0.00004 | 0.001 | 0.00004 | 18 | 0.71 |
ULH10 | 5.0-6.0 | 0.197-0.236 | 0.001 | 0.00004 | 0.001 | 0.00004 | 18 | 0.71 |
ULH11 | 8-Jun | 0.236-0.315 | 0.001 | 0.00004 | 0.001 | 0.00004 | 60 | 2.36 |
ULH12 | 10-Aug | 0.315-0.393 | 0.001 | 0.00004 | 0.001 | 0.00004 | 60 | 2.36 |
ULH13 | 12-Oct | 0.393-0.472 | 0.001 | 0.00004 | 0.001 | 0.00004 | 61 | 2.4 |
ULH14 | 14-Dec | 0.472-0.550 | 0.001 | 0.00004 | 0.001 | 0.00004 | 61 | 2.4 |
ULH15 | 14-17 | 0.550-0.670 | 0.001 | 0.00004 | 0.001 | 0.00004 | 61 | 2.4 |
ULH16 | 17-20 | 0.670-0.787 | 0.001 | 0.00004 | 0.001 | 0.00004 | 61 | 2.4 |
ULH17 | 20-24 | 0.787-0.945 | 0.001 | 0.00004 | 0.001 | 0.00004 | 69 | 2.72 |
ULH18 | 24-28 | 0.945-1.100 | 0.001 | 0.00004 | 0.001 | 0.00004 | 69 | 2.72 |
ULH19 | 28-32 | 1.100-1.260 | 0.001 | 0.00004 | 0.001 | 0.00004 | 69 | 2.72 |
ULH20 | 32-38 | 1.260-1.500 | 0.001 | 0.00004 | 0.001 | 0.00004 | 72 | 2.83 |
ULH21 | 38-44 | 1.500-1.730 | 0.001 | 0.00004 | 0.001 | 0.00004 | 72 | 2.83 |
ULH22 | 44-50 | 1.730-1.970 | 0.001 | 0.00004 | 0.001 | 0.00004 | 72 | 2.83 |
ULH23 | 50-60 | 1.970-2.360 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH24 | 60-70 | 2.360-2.756 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH25 | 70-80 | 2.756-3.150 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH26 | 80-90 | 3.150-3.543 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH27 | 90-100 | 3.543-3.940 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH28 | 100-110 | 3.940-4.330 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH29 | 110-120 | 4.330-4.725 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH30 | 120-130 | 4.725-5.120 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH31 | 130-140 | 5.120-5.510 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH32 | 140-150 | 5.510-5.900 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH33 | 150-160 | 5.900-6.300 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH34 | 160-170 | 6.300-6.690 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH35 | 170-180 | 6.690-7.090 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH36 | 180-190 | 7.090-7.480 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH37 | 190-200 | 7.480-7.875 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH38 | 200-210 | 7.875-8.270 | 0.0015 | 0.00006 | 0.0015 | 0.00006 | 80 | 3.15 |
ULH39 | 210-220 | 8.270-8.661 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH40 | 220-230 | 8.661-9.055 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH41 | 230-240 | 9.055-9.449 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH42 | 240-250 | 9.449-9.842 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH43 | 250-260 | 9.842-10.236 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH44 | 260-270 | 10.236-10.630 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH45 | 270-280 | 10.630-11.024 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH46 | 280-290 | 11.024-11.417 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH47 | 290-300 | 11.417-11.811 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
ULH48 | 300-310 | 11.811-12.200 | 0.002 | 0.00008 | 0.002 | 0.00008 | 80 | 3.15 |
Ultima Setting Rings
Code No. | Setting Ring (mm) | Setting Ring (inch) | Holder Type |
ULR2 | 2.5 | 0.098 | PH2 |
ULR4 | 4 | 0.157 | PH2 |
ULR5 | 5 | 0.197 | PH2 |
ULR8 | 8 | 0.315 | PH3 |
ULR12 | 12 | 0.472 | PH3 |
ULR17 | 17 | 0.67 | PH3 |
ULR24 | 24 | 0.945 | PH4 |
ULR32 | 32 | 1.26 | PH4 |
ULR44 | 44 | 1.73 | PH4 |
ULR60 | 60 | 2.36 | PH4 |
ULR80 | 80 | 3.15 | PH4 |
ULR100 | 100 | 3.94 | PH5 |
ULR120 | 120 | 4.725 | PH5 |
ULR140 | 140 | 5.51 | PH5 |
ULR160 | 160 | 6.3 | PH5 |
ULR180 | 180 | 7.09 | PH5 |
ULR200 | 200 | 7.875 | PH5 |
ULR220 | 220 | 8.661 | PH5 |
ULR240 | 240 | 9.449 | PH5 |
ULR260 | 260 | 10.236 | PH5 |
ULR280 | 280 | 11.024 | PH5 |
ULR300 | 300 | 11.811 | PH5 |
Ultima Bore Gauge Set with Display
Code No. | Description | Range (mm) |
USET2 | With Sylvac D5OS display | 2-6 |
USET3 | With Sylvac D5OS display | 6-10 |
USET4 | With Sylvac D5OS display | 10-20 |
USET7 | With Sylvac D5OS display | 6-20 |
USET8 | With Sylvac D5OS display | 20-50 |
USET9 | With Sylvac D5OS display | 50-100 |
USET10 | With Sylvac D5OS display | 20-100 |