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Round sheet metal punch with ball thrust bearing, Punch ⌀ (hole ⌀): 70mm
Article no.: 834100 70
Article code:
Product details
Technical Data
| Punch ⌀ (hole ⌀) | 70 mm | |
| Draw screw | M20×1.5×90 | |
| hole ⌀ to be pre-drilled | 21 mm | |
| Draw screw size | 30 mm | |
| for material thickness (sheet metal St 37) | 3 mm | |
| for stainless sheet steel depending on tensile strength up to | 2 mm | |
| Type of product | Punching tool |
Identification numbers & Classifications
| Article number | 834100 70 | |
| EAN / GTIN | 2050001002648 |
Description
Version:
Consisting of matrix, punch, and draw bolt.
With ball thrust bearing = for easier operation using a wrench. Friction between punch and screw is reduced, so less force is required.
With ball thrust bearing = for easier operation using a wrench. Friction between punch and screw is reduced, so less force is required.
Application:
For punching holes into diverse materials such as sheet steel, sheet stainless steel, sheet aluminium, sheet copper etc. Particularly useful where access is difficult (e.g. large sheet metal plates, control cabinets, fuse boxes, junction boxes, dashboards, sink basins, bodywork etc.). Not suitable for pipework. It is imperative to grease the pressure screw and matrix before use.
Operation:
a) using a wrench
b) using manual hydraulics No. 834655 size 1.
c) using a manual hydraulic drive No. 834700. From 50 mm ⌀ upwards the use of the manual hydraulic drive is recommended.
Operation:
a) using a wrench
b) using manual hydraulics No. 834655 size 1.
c) using a manual hydraulic drive No. 834700. From 50 mm ⌀ upwards the use of the manual hydraulic drive is recommended.
Material:
Special tool steel, burnished.
Note:
- When using hydraulic tools, use draw bolt No. 834070 (optional accessory) instead of the pressure screw.
- Size 32 and 35 for holes in stainless steel sinks, to attach 1/2 inch sink fitments.