Collar drill bushing DIN 172 form A, bore 8.5 mm, length 25 mm, collar 18 mm, hardened steel
With a bore of 8.5 mm and an overall length of 25 mm, this bushing keeps the tool on track inside the drilling jig. The collar of 18 mm diameter and 3.0 mm height bears on the drill plate and secures the bushing against axial slipping.
Benefits
- Guiding length of 25 mm, long design
- Ground guiding bore of 8.5 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 A design of DIN 172 with the bore rounded on one side, on the side of the collar
Technical data
| Property | Value |
|---|---|
| Bore diameter D1 | 8.5 mm |
| Overall length L1 | 25 mm |
| Series | long |
| Outside diameter D2 | 15 mm |
| Collar diameter D3 | 18 mm |
| Collar height L2 | 3.0 mm |
| Bore design | rounded on one side (form A) |
| Material | case-hardening steel, hardened and ground |
| Hardness | 740 ± 80 HV 10 |
| Standard | DIN 172 form A |
Applications
The bushing is used in drilling jigs in tool and fixture making, in series production and in repair work where holes have to be placed repeatably.
Standard and material
Dimensions and tolerances follow DIN 172 in form A. In form A the bore is rounded only on the side of the collar. The bushing is made of hardened and ground case-hardening steel with a hardness of 740 ± 80 HV 10.
| Weight | 0.025000 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 172-8,5X25-A |
| EAN | 4050571992545 |
| Zolltarifnummer | 73269098 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Bauform | lang |
| Bauform Bohrung | einseitig abgerundet (Form A) |
| Norm | DIN 172 |




