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Where every workpiece needs the hole in the same place, this bush takes over the guidance. It accepts tools of 4 mm diameter and supports them across 12 mm of length. The outside diameter of 7 mm forms the seat in the drill plate.
Drill bush DIN 179 form B, medium type, bore 4 mm, length 12 mm, outside dia 7 mm
FLUIDICS EQUIPMENT
Original product
Net price (excl. VAT)
€3.74
Item
FL-755689
Manufacturer no.
179-4X12-B
Personal expert advice
Brand new
Specialist dealer since 2009
Original product
Worldwide shipping
Product data
Manufacturer no.179-4X12-B
EAN4070497003163
Customs tariff number73269098
ConditionNew
Artikel
FL-755689
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Total price
For repeatable holes of 4 mm diameter this bush is seated in the drill plate by its ground outside diameter of 7 mm. The drill stays guided across 12 mm of length, 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
- Guide bore of 4 mm to DIN 179 for the matching tool
- Special case-hardening steel, hardened to 740 ± 80 HV 10 and ground
- Outside diameter of 7 mm as a ground seat in the drill plate
- Guide length of about 3 drill diameters at 12 mm of length
Technical data
| Feature | Value |
|---|---|
| Bore diameter D1 [mm] | 4 |
| Overall length L1 [mm] | 12 |
| Design | medium |
| Outside diameter D2 [mm] | 7 |
| 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
- Hole patterns in assembly jigs and equipment frames
- Workshop production with changing workpieces
- Redrilling and opening up holes on existing jigs
- Pattern making and mould making
Standard and material
The basis is DIN 179 for cylindrical drill bushes. Form B means a bore that is rounded on both sides. Made of special case-hardening steel, hardened to 740 ± 80 HV 10 and ground.
| Weight | 0.002400 |
|---|---|
| Manufacturer | Fluidics equipment |
| Hersteller-Nr | 179-4X12-B |
| EAN | 4070497003163 |
| 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 | beidseitig abgerundet (Form B) |
| Norm | DIN 179 |
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