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In drilling jigs this bush keeps the drill axis in the same position from one workpiece to the next. It is sized for drills of 7.4 mm and is 20 mm long. The special case-hardening steel is hardened to 740 ± 80 HV 10 and ground.
Drill bush DIN 179 form A, bore 7.4 mm, length 20 mm, outside dia 12 mm, case-hardened steel
FLUIDICS EQUIPMENT
Original product
Net price (excl. VAT)
€7.06
Item
FL-755190
Manufacturer no.
179-7,4X20-A
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.179-7,4X20-A
EAN4070497004634
Customs tariff number73269098
ConditionNew
Artikel
FL-755190
Frequently Bought Together
With an outside diameter of 12 mm the bush is seated in the bore of the jig plate and guides the drill of 7.4 mm nominal diameter. The 12 mm seat and the 7.4 mm bore are ground, so the bush can be pressed into the fixture without any rework.
Benefits
- Outside diameter of 12 mm as a ground seat in the jig plate
- Overall length of 20 mm in the long version of the three lengths short, medium and long
- Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
- Bore to form A, that is rounded on one side
- Guide bore of 7.4 mm to DIN 179 for the matching drill
- Bore rounded on one side, giving a defined fitting direction in the jig
Technical data
| Feature | Value |
|---|---|
| Bore diameter D1 [mm] | 7.4 |
| Overall length L1 [mm] | 20 |
| Version | long |
| Outside diameter D2 [mm] | 12 |
| Bore form | rounded on one side (form A) |
| Material | Special case-hardening steel |
| Hardness | 740 ± 80 HV 10 |
| Finish | hardened and ground |
| Standard | DIN 179 |
Applications
- Jig and fixture construction as well as tool making
- Holes in sheet metal, profiles and housings that have to be repeatable in position and diameter
- Maintenance and repair work when hole patterns are reworked
- Gauge making and prototype work in small batches
Standard and material
The bush is made to DIN 179 in form A, with the bore rounded on one side. The material is special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.
| Weight | 0.011000 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 179-7,4X20-A |
| EAN | 4070497004634 |
| 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 179 |
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