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EAN / GTIN:
Manufacturer number:
NC reamer H7 1/4
Article no.: 162900 1/4
Article code:
- Tool material: HSS E
- Standard: Manufacturer’s standard
- Through-coolant: no
- Shank: DIN 1835 A to h6
- Application for type of drilling: for through holes
Product details
Technical Data
| Nominal ⌀ DC | 6.35 mm | |
| Coating | uncoated | |
| Inch nominal ⌀ corresponds to | 6.35 mm | |
| Tolerance | H7 | |
| Tool material | HSS E | |
| Standard | Manufacturer’s standard | |
| Through-coolant | no | |
| Shank | DIN 1835 A to h6 | |
| Application for type of drilling | for through holes | |
| Flute length Lc | 28 mm | |
| Overhang L1 | 64 mm | |
| Overall length L | 101 mm | |
| Number of cutting edges Z | 6 | |
| Shank ⌀ Ds | 6 mm | |
| Feed f in steel < 750 N/mm2 | 0.2 mm/rev. | |
| Reaming oversize in diameter | 0.1 mm - 0.2 mm | |
| Shank tolerance | h6 | |
| Colour ring | green | |
| Type of product | Phillips bit |
Identification numbers & Classifications
| Article number | 162900 1/4 | |
| EAN / GTIN | 4062406146733 |
Application Table
N
20
N
20
P
15
P
10
P
7
P
5
P
4
M
5
M
5
S
5
K
5
N
13
Description
Version:
Version suitable for NC similar to DIN 212 with straight shank ⌀ for standard chucking especially in hydraulic chucks or high precision collet chucks. For highest concentricity and process reliability. No need to order special collets.
With long flutes and left-hand helix.
≤ ⌀ size 1.7 with 3 teeth; ≥ ⌀ size 1.8 even number of teeth and irregular spacing. ≤ ⌀ size 3.7 both ends with centre points; ≥ ⌀ size 3.8 both ends with centre holes.
Reamer manufacturing or cutting edge tolerance to DIN1420 for H7 bore tolerance.
With long flutes and left-hand helix.
≤ ⌀ size 1.7 with 3 teeth; ≥ ⌀ size 1.8 even number of teeth and irregular spacing. ≤ ⌀ size 3.7 both ends with centre points; ≥ ⌀ size 3.8 both ends with centre holes.
Reamer manufacturing or cutting edge tolerance to DIN1420 for H7 bore tolerance.