Drill bush DIN 179 form B, bore 20.5 mm, length 20 mm, outside dia 30 mm, hardened steel
A drill of 20.5 mm diameter runs guided through 20 mm of this bush and meets the hole at the intended point. The design follows DIN 179, form B, and the bore is rounded on both sides.
Benefits
- Bore rounded on both sides to form B, so the bush can be fitted either way round
- Overall length of 20 mm in the short version of the range short, medium and long
- Guide bore of 20.5 mm to DIN 179 for the matching tool
- Dimensions to DIN 179, so existing bushes can be replaced size for size
- Outside diameter of 30 mm as a ground seat in the drill plate
Technical data
| Feature | Value |
|---|---|
| Bore diameter D1 [mm] | 20.5 |
| Overall length L1 [mm] | 20 |
| Design | short |
| Outside diameter D2 [mm] | 30 |
| Bore design | rounded on both sides (form B) |
| Material | Special case-hardening steel |
| Hardness | 740 ± 80 HV 10 |
| Treatment | hardened and ground |
| Standard | DIN 179 |
Applications
- Fixed drill plates and hinged drilling jigs
- One-off and small batch production in mechanical engineering
- Drilling fitted holes on assemblies with a fixed hole position
- Inspection and marking templates in assembly
Standard and material
Dimensions and design follow DIN 179. The material is special case-hardening steel, the hardness is 740 ± 80 HV 10, and the functional surfaces are ground.
| Weight | 0.055000 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 179-20,5X20-B |
| EAN | 4050571999001 |
| Zolltarifnummer | 73269098 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Bauform | kurz |
| Bauform Bohrung | beidseitig abgerundet (Form B) |
| Norm | DIN 179 |




