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Protects the drill plate and guides the tool of 4.4 mm diameter over 12 mm. Hardened case-hardening steel at 740 ± 80 HV 10 withstands contact with the drill. Collar 11 mm, medium series, form A to DIN 172.
Collar drill bushing form A to DIN 172, bore 4.4 x 12 mm, collar 11 mm, case-hardening steel
FLUIDICS EQUIPMENT
Original product
Net price (excl. VAT)
€5.38
Item
FL-753909
Manufacturer no.
172-4,4X12-A
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.172-4,4X12-A
EAN4050571989781
Customs tariff number73269098
ConditionNew
Artikel
FL-753909
Frequently Bought Together
Made for holes of 4.4 mm, this bushing guides the tool over 12 mm. The medium series combines a press fit of 8 mm outside diameter with a 11 mm collar that holds the bushing in the plate.
Benefits
- Ground guiding bore of 4.4 mm within the tolerances of DIN 172
- Guiding length of 12 mm, medium design
- Press fit of 8 mm outside diameter in the holder of the jig
- All-round collar of 11 mm diameter and 2.5 mm height acting as a stop
- 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 | 4.4 mm |
| Overall length L1 | 12 mm |
| Series | medium |
| Outside diameter D2 | 8 mm |
| Collar diameter D3 | 11 mm |
| Collar height L2 | 2.5 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
It is used wherever holes of 4.4 mm have to be produced without centre punching and without wandering, for example in jigs for series parts, in assembly gauges or in prototype work.
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 | 0.004000 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 172-4,4X12-A |
| EAN | 4050571989781 |
| Zolltarifnummer | 73269098 |
| GPSR Herstellerdaten | A1-ESD equipment GmbH. Keldersstr. 15, DE-42697 Solingen, www.esd.equipment |
| Artikelzustand | New |
| Artikel-Authentizität | Original product |
| Bauform | mittel |
| Bauform Bohrung | einseitig abgerundet (Form A) |
| Norm | DIN 172 |
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