drill bushing (guide bushing) similar DIN 172 - A 8,3 x 20
| d1 [mm] | 8,3 |
|---|---|
| l1 [mm] | 20 |
| d2 [mm] | 15 |
| d3 [mm] | 18 |
| l2 [mm] | 3 |
| Weight [g] | 21,08 |
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Material: 1.0718. Hardened and precision machined to tolerance inside and outside.
Drill bushes with collar similar to the old Standard DIN 172 A. Hardness: 62±2 HRC (700-800 HV10).
Bore rounded at flange side. Tolerances: Inner diameter F7. Outer diameter n6. Mounting hole: tolerance H7.
Other dimensions and designs on request.