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Bridge reamer 21 mm
Article no.: 162800 21
Article code:
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For reaming undersized or offset holes.
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- Tool material: HSS
- Standard: DIN 311
- Helix angle: 25
- Tolerance nominal ⌀: k11
- Through-coolant: no
Product details
Technical Data
| Nominal ⌀ DC | 21 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 311 | |
| Helix angle | 25 degrees | |
| Tolerance nominal ⌀ | k11 | |
| Through-coolant | no | |
| Shank | Morse taper | |
| Application for type of drilling | for through holes | |
| Minor ⌀ | 14.8 mm | |
| Flute length Lc | 155 mm | |
| Overhang L1 | 172 mm | |
| Overall length L | 271 mm | |
| Number of cutting edges Z | 4 | |
| Morse taper MT size | 3 | |
| Feed f in steel < 500 N/mm2 | 0.25 mm/rev. | |
| Colour ring | without | |
| Type of product | Phillips bit |
Identification numbers & Classifications
| Article number | 162800 21 | |
| EAN / GTIN | 4045197089359 | |
| Manufacturer number | 162800 21 |
Application Table
N
20
N
20
P
15
P
10
P
7
Description
Version:
Tapering flute form with a length of approx. 3×nominal ⌀. Very sturdy due to strong core and radius heel of flutes. Easy, peeling cut by spiral flutes; number of flutes varies according to the size.
Application:
Particularly useful for the installation of components; for reaming offset holes or enlarging rivet holes. Bridge reamers are used on pneumatic hand-held drills in boiler construction.
Note:
Downloads & documents
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| Number of cutting edges Z | 4 | 8 | 8 |
| Overall length L | 271 | 232 | 201 |
| Nominal ⌀ DC | 21 | 21 | 21 |
| Standard | DIN 311 | DIN 208 B | DIN 206 B |
| Flute length Lc | 155 | 62 | 100 |
| Tool material | HSS | HSS E | HSS |
| Application for type of drilling | for through holes | for through hole | for through holes |