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Tool Holders / Atum Drill
ATUM XD4 SOMT
12 sizes available · 12 specification fields · standard: TGTC
Atum XD4 Somt is an indexable drill that takes SOMT-style inserts. It is listed here in 12 sizes, Ø14–25 mm cutting diameter, right-hand versions, each with full specifications and a dimensioned drawing. Typical use: drilling and hole-making from solid.
Insert compatibility
This family is built for the following insert designations (as listed in the catalogue data). The exact size in each row of the table below is in the Insert designation column.
- SOMT 050204
- SOMT 060204
- SOMT 070306
- SOMT 08T306
Specifications
| Product code | Insert designation | Cutting direction (hand) | Cutting diameter (mm) | Connection diameter (mm) | Contact-face diameter, machine side (mm) | Overall length (mm) | Usable length (mm) | Protruding / projection length (mm) | Shank length (mm) | Adjustment range, max (mm) | Adjustment range, min (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ATUM 14XD4 SOMT 050204 | SOMT 050204 | R | 14 | 20 | 25 | 128 | 56 | 78 | 50 | 0.5 | 15 |
| ATUM 14.5XD4 SOMT 050204 | SOMT 050204 | R | 14.5 | 20 | 25 | 128 | 56 | 78 | 50 | 0.4 | 15.3 |
| ATUM 16XD4 SOMT 050204 | SOMT 050204 | R | 16 | 25 | 34 | 142 | 64 | 86 | 56 | 0.3 | 16.6 |
| ATUM 17XD4 SOMT 060204 | SOMT 060204 | R | 17 | 25 | 34 | 146 | 68 | 90 | 56 | 0.5 | 18 |
| ATUM 17.5XD4 SOMT 060204 | SOMT 060204 | R | 17.5 | 25 | 34 | 146 | 68 | 90 | 56 | 0.4 | 18.3 |
| ATUM 18XD4 SOMT 060204 | SOMT 060204 | R | 18 | 25 | 34 | 150 | 72 | 94 | 56 | 0.4 | 18.8 |
| ATUM 19XD4 SOMT 060204 | SOMT 060204 | R | 19 | 25 | 34 | 154 | 76 | 98 | 56 | 0.3 | 19.6 |
| ATUM 20XD4 SOMT 070306 | SOMT 070306 | R | 20 | 25 | 34 | 158 | 80 | 102 | 56 | 0.5 | 21 |
| ATUM 21XD4 SOMT 070306 | SOMT 070306 | R | 21 | 25 | 34 | 162 | 84 | 106 | 56 | 0.4 | 21.8 |
| ATUM 22XD4 SOMT 070306 | SOMT 070306 | R | 22 | 25 | 34 | 166 | 88 | 110 | 56 | 0.3 | 22.6 |
| ATUM 24XD4 SOMT 08T306 | SOMT 08T306 | R | 24 | 25 | 34 | 174 | 96 | 118 | 56 | 0.5 | 25 |
| ATUM 25XD4 SOMT 08T306 | SOMT 08T306 | R | 25 | 25 | 34 | 178 | 100 | 122 | 56 | 0.4 | 25.8 |
Column codes
- Insert Code — Insert designation
- Product Direction — Cutting direction (hand)
- DC — Cutting diameter (mm)
- DCON — Connection diameter (mm)
- DCSFMS — Contact-face diameter, machine side (mm)
- OAL — Overall length (mm)
- LU — Usable length (mm)
- LPR — Protruding / projection length (mm)
- LS — Shank length (mm)
- X max [mm] — Adjustment range, max (mm)
- X min [mm] — Adjustment range, min (mm)
Dimensions in millimetres unless noted. Values are the manufacturer's published figures.
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