Collar drill bushing form B to DIN 172, bore 8.8 x 12 mm, collar 18 mm, case-hardening steel
When drilling in jigs, this bushing keeps the 8.8 mm tool on position. The guiding length is 12 mm, the press fit measures 15 mm in diameter and the collar 18 mm.
Benefits
- Guiding length of 12 mm, short design
- Ground guiding bore of 8.8 mm within the tolerances of DIN 172
- All-round collar of 18 mm diameter and 3.0 mm height acting as a stop
- Press fit of 15 mm outside diameter in the holder of the jig
- Hardened case-hardening steel at 740 ± 80 HV 10 with a ground surface
- Form B design of DIN 172 with the bore rounded on both sides, also for a reversed fit
Technical data
| Property | Value |
|---|---|
| Bore diameter D1 | 8.8 mm |
| Overall length L1 | 12 mm |
| Series | short |
| Outside diameter D2 | 15 mm |
| Collar diameter D3 | 18 mm |
| Collar height L2 | 3.0 mm |
| Bore design | rounded on both sides (form B) |
| Material | case-hardening steel, hardened and ground |
| Hardness | 740 ± 80 HV 10 |
| Standard | DIN 172 form B |
Applications
It suits drilling jigs, drill templates and assembly fixtures in which the tool has to be guided safely over 12 mm, even with frequent tool changes.
Standard and material
The basis is DIN 172, form B, with a guiding bore of 8.8 mm. In form B the bore is rounded on the opposite side as well. The material is case-hardening steel, hardened to 740 ± 80 HV 10 and ground afterwards.
| Weight | 0.012000 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 172-8,8X12-B |
| EAN | 4050571992699 |
| 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 172 |




