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About Fred V Fowler
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Bowers SuperBore System
Range & Accuracy Chart
Super
Bore General Range Chart
B.B.= Blind bore reading: standard on all heads except.236
-.472"(6-12mm). |
| Order
Number |
A Capacity
(inch) |
A Capacity(mm) |
B (Min) |
C (Depth) |
Accuracy |
| 54-555-210 |
.040
-.045" |
1 - 1.15mm |
B.B. |
.230" |
.00007" |
| 54-555-212 |
.045
-.051" |
1.15
- 1.3mm |
B.B. |
.230" |
.00007" |
| 54-555-215 |
.051
-.059" |
1.3 -
1.5mm |
B.B. |
.230" |
.00007" |
| 54-555-218 |
.059
-.068" |
1.5 -
1.7mm |
B.B. |
.310" |
.00007" |
| 54-555-220 |
.068
-.078" |
1.75
- 2.00mm |
B.B. |
.310" |
.00007" |
| 54-555-222 |
.078
-.098" |
2 - 2.5mm |
B.B. |
.390" |
.00007" |
| 54-555-223 |
.098
-.118" |
2.5 -
3mm |
B.B. |
.390" |
.00007" |
| 54-555-224 |
.118
-.157" |
3 - 4mm |
B.B. |
.470" |
.00007" |
| 54-555-225 |
.157
-.197" |
4 - 5mm |
B.B. |
.790" |
.00007" |
| 54-555-226 |
.197
-.236" |
5 - 6mm |
B.B. |
.790" |
.00007" |
| 54-555-008 |
.236
-.315" |
6 - 8mm |
.157" |
2.300" |
.0001" |
| 54-555-009 |
.315
-.393" |
8 - 10mm |
.157" |
2.300" |
.00007" |
| 54-555-010 |
.393-.472" |
10-12mm |
.157" |
2.300" |
.00007" |
| 54-555-011 |
.472-.550" |
12-14mm |
B.B. |
.300" |
.00007" |
| 54-555-012 |
.550-.630" |
14-16mm |
B.B. |
.300" |
.00007" |
| 54-555-015 |
.630-.710" |
16-18mm |
B.B. |
2.500" |
.00006" |
| 54-555-018 |
.710-.825" |
18-21mm |
B.B. |
2.500" |
.00006" |
| 54-555-021 |
.825-.945" |
21-24mm |
B.B. |
.500" |
.00006" |
| 54-555-024 |
.945-1.062" |
24-27mm |
B.B. |
2.500" |
.00006" |
| 54-555-027 |
1.062-1.180" |
27-30mm |
B.B. |
2.500" |
.00006" |
| 54-555-030 |
1.180-1.340" |
30-34mm |
B.B. |
2.500" |
.00006" |
| 54-555-034 |
1.340-1.500" |
34-38mm |
B.B. |
2.500" |
.00006" |
| 54-555-038 |
1.500-1.650" |
38-42mm |
B.B. |
2.500" |
.00006" |
| 54-555-042 |
1.650-1.810" |
42-46mm |
B.B. |
2.500" |
.00006" |
| 54-555-046 |
1.810-1.970" |
46-50mm |
B.B. |
2.500" |
.00006" |
| 54-555-050 |
1.970-2.165" |
50-55mm |
B.B. |
3.150" |
.00008" |
| 54-555-055 |
2.165-2.360" |
55-60mm |
B.B. |
3.150" |
.00008" |
| 54-555-060 |
2.360-2.560" |
60-65mm |
B.B. |
3.150" |
.00008" |
| 54-555-065 |
2.560-2.756" |
65-70mm |
B.B. |
3.150" |
.00008" |
| 54-555-070 |
2.756-2.950" |
70-75mm |
B.B. |
3.150" |
.00008" |
| 54-555-075 |
2.950-2.150" |
75-80mm |
B.B. |
3.150" |
.00008" |
| 54-555-080 |
3.150-3.346" |
80-85mm |
B.B. |
3.150" |
.00008" |
| 54-555-085 |
2.346-3.543" |
85-90mm |
B.B. |
3.150" |
.00008" |
| 54-555-090 |
3.543-3.740" |
90-95mm |
B.B. |
3.150" |
.00008" |
| 54-555-095 |
3.740-3.940" |
95-100mm |
B.B. |
3.150" |
.00008" |
| 54-555-102 |
3.940-4.330" |
100-110mm |
B.B. |
3.150" |
.0001" |
| 54-555-107 |
4.330-4.725" |
110-120mm |
B.B. |
3.150" |
.0001" |
| 54-555-112 |
4.725-5.120" |
120-130mm |
B.B. |
3.150" |
.0001" |
| 54-555-117 |
5.120-5.510" |
130-140mm |
B.B. |
3.150" |
.0001" |
| 54-555-122 |
5.510-5.900" |
140-150mm |
B.B. |
3.150" |
.0001" |
| 54-555-127 |
5.900-6.300" |
150-160mm |
B.B. |
3.150" |
.0001" |
| 54-555-132 |
6.300-6.690" |
160-170mm |
B.B. |
3.150" |
.0001" |
| 54-555-137 |
6.690-7.090" |
170-180mm |
B.B. |
3.150" |
.0001" |
| 54-555-142 |
7.090-7.480" |
180-190mm |
B.B. |
3.150" |
.0001" |
| 54-555-146 |
7.480-7.875" |
190-200mm |
B.B. |
3.150" |
.0001" |
| 54-555-148 |
7.875-8.270" |
200-210mm |
B.B. |
3.150" |
.0001" |
| 54-555-152 |
8.270-8.661" |
210-220mm |
B.B. |
4.625" |
.00015" |
| 54-555-154 |
8.661-9.055" |
220-230mm |
B.B. |
4.625" |
.00015" |
| 54-555-156 |
9.055-9.449" |
230-240mm |
B.B. |
4.625" |
.00015" |
| 54-555-158 |
9.449-9.842" |
240-250mm |
B.B. |
4.625" |
.00015" |
| 54-555-160 |
9.842-10.236" |
250-260mm |
B.B. |
4.625" |
.00015" |
| 54-555-162 |
10.236-10.630" |
260-270mm |
B.B. |
4.625" |
.00015" |
| 54-555-164 |
10.630-11.024" |
270-280mm |
B.B. |
4.625" |
.00015" |
| 54-555-168 |
11.024-11.417" |
280-290mm |
B.B. |
4.625" |
.00015" |
| 54-555-170 |
11.417-11.811" |
290-300mm |
B.B. |
4.625" |
.00015" |
| 54-555-172 |
11.811-12.126" |
300-310mm |
B.B. |
4.625" |
.00015" |
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