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| 1:50 Taper pin reamers | ||||
| Norm: GB1136 | ||||
| Size | Diameter Small end |
Diameter Large end |
Length Flute |
Length Overall |
| Pin size | d | d0 | l | L |
| 1.5 | 1.4 | 2.14 | 37 | 57 |
| 2 | 1.9 | 2.86 | 48 | 68 |
| 2.5 | 2.4 | 3.36 | 48 | 68 |
| 3 | 2.9 | 4.06 | 58 | 80 |
| 4 | 3.9 | 5.26 | 68 | 93 |
| 5 | 4.9 | 6.36 | 73 | 100 |
| 6 | 5.9 | 8 | 105 | 135 |
| 6.5 | 6.4 | 8.6 | 110 | 140 |
| 7 | 6.9 | 9.4 | 125 | 160 |
| 8 | 7.9 | 10.8 | 145 | 180 |
| 9 | 8.9 | 12.1 | 160 | 195 |
| 10 | 9.9 | 13.4 | 175 | 215 |
| 12 | 11.8 | 16 | 210 | 255 |
| 13 | 12.8 | 17 | 210 | 255 |
| 16 | 15.8 | 20.4 | 230 | 280 |
| 20 | 19.8 | 24.8 | 250 | 310 |
| Taper pin reamers | ||||
| Norm: ANSI B94.2 | Taper 1/4" per foot, straight shank | |||
| Material: HSS, HSS-Co | ||||
| Size | Diameter Small end | Diameter Large end | Length Flute | Length Overall |
| Pin No. | d | d0 | l | L |
| 8/0 | 0.0351 | 0.0514 | 25/32" | 1-5/8" |
| 7/0 | 0.0497 | 0.0666 | 13/16" | 1-13/16" |
| 6/0 | 0.0611" | 0.0806" | 15/16" | 1-15/16" |
| 5/0 | 0.0719" | 0.0966" | 1-3/16" | 2-3/16" |
| 4/0 | 0.0869" | 0.1142" | 1-5/16" | 2-5/16" |
| 3/0 | 0.1029" | 0.1302" | 1-9/16" | 2-5/16" |
| 2/0 | 0.1137" | 0.1462" | 1-9/16" | 2-9/16" |
| 0 | 0.1287" | 0.1638" | 1-11/16" | 2-15/16" |
| 1 | 0.1447" | 0.1798" | 1-11/16" | 2-15/16" |
| 2 | 0.1605" | 0.2008" | 1-15/16" | 3-3/16" |
| 3 | 0.1813" | 0.2294" | 2-5/16" | 3-11/16" |
| 4 | 0.2071" | 0.2604" | 2-9/16" | 4-1/16" |
| 5 | 0.2409" | 0.2994" | 2-13/16" | 4-5/16" |
| 6 | 0.2773" | 0.3540" | 3-11/16" | 5-7/16" |
| 7 | 0.3297" | 0.4220" | 4-7/16" | 6-5/16" |
| 8 | 0.3971" | 0.5050" | 5-3/16" | 7-3/16" |
| 9 | 0.4805" | 0.6066" | 6-1/16" | 8-5/16" |
| 10 | 0.5799" | 0.7216" | 6-13/16" | 9-5/16" |
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