Reaming
Fromm HSS Hand Reamer 302 DIN 859A/B, Expandable
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Ø 4.0 - 60.0 H7, Straight/Spiral Flute Cylinder Shank
Righthand cutting, straight flutes, expandable, slotted, with pilot. cyl. shank with square.
The Expandability is due to the limited elasticity of hardened steel and the above-stated approximate values should therefore not be exceeded. Consequently, it is possible to adjust all Þ ts to compensate for wear. The reamers are ground to nominal size and not on the tolerance H7.
Expandability approx. 0.10-0.60 mm.
We carry the full range sizes up to 60mm. Do contact us for quotation above 20mm.
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| Nominal-Ø (d1): | Grade | Style | OAL (l1)(mm): | Square DIN 10 ah11 (mm): | Square DIN 10 l(mm): | Number of Teeth (Z): | FL (l2)(mm): |
| 4.00 | HSS | Straight/Spiral Flute | 76 | 3.15 | 6 | 6 | 38 |
| 5.00 | HSS | Straight/Spiral Flute | 87 | 4.00 | 7 | 6 | 44 |
| 6.00 | HSS | Straight/Spiral Flute | 93 | 4.50 | 7 | 6 | 47 |
| 7.00 | HSS | Straight/Spiral Flute | 107 | 5.60 | 8 | 9 | 54 |
| 8.00 | HSS | Straight/Spiral Flute | 115 | 6.30 | 9 | 9 | 58 |
| 9.00 | HSS | Straight/Spiral Flute | 124 | 7.10 | 10 | 9 | 62 |
| 10.0 | HSS | Straight/Spiral Flute | 133 | 8.00 | 11 | 9 | 66 |
| 11.0 | HSS | Straight/Spiral Flute | 142 | 9.00 | 12 | 9 | 71 |
| 12.0 | HSS | Straight/Spiral Flute | 152 | 10.00 | 13 | 9 | 76 |
| 13.0 | HSS | Straight/Spiral Flute | 152 | 10.00 | 13 | 9 | 76 |
| 14.0 | HSS | Straight/Spiral Flute | 163 | 11.20 | 14 | 9 | 81 |
| 15.0 | HSS | Straight/Spiral Flute | 163 | 11.20 | 14 | 9 | 81 |
| 16.0 | HSS | Straight/Spiral Flute | 175 | 12.50 | 16 | 9 | 87 |
| 17.0 | HSS | Straight/Spiral Flute | 175 | 12.50 | 16 | 9 | 87 |
| 18.0 | HSS | Straight/Spiral Flute | 188 | 14.00 | 18 | 9 | 93 |
| 19.0 | HSS | Straight/Spiral Flute | 188 | 14.00 | 18 | 9 | 93 |
| 20.0 | HSS | Straight/Spiral Flute | 201 | 16.00 | 20 | 9 | 100 |
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