Kore-aukume Taumaha Drill Paipa Whakatakotoranga
| Rahi |
OD |
ID |
Hononga |
Tinana |
| Kāhua |
OD |
He titi te diameter Bevel
me te pouaka
mm |
pouri |
| mm |
i roto |
mm |
i roto |
mm |
i roto |
Te horahanga pokapū mm |
Te horahanga mutunga mm |
| WJZ66-65/8FH-1 |
168.3 |
6 5/8 |
114.3 |
4 1/2 |
6 5/8FH |
209.6 |
8 1/4 |
195.7 |
184.2 |
176.21 |
| WJZ55-51/2FH-1 |
139.7 |
5 1/2 |
92.1 |
3 5/8 |
5 1/2FH |
177.8 |
7 |
170.7 |
152.4 |
144.5 |
| WJZ50-NC50-1 |
127 |
5 |
76.2 |
3 |
NC50 |
168.3 |
6 5/8 |
154 |
139.7 |
130.2 |
| WJZ45-NC46-I |
114.3 |
4 1/2 |
71.4 |
2 13/16 |
NC46 |
158.8 |
6 1/4 |
145.3 |
127 |
117.5 |
| WJZ35-NC38-1 |
88.9 |
3 1/2 |
52.39 |
2 1/16 |
NC38 |
120.7 |
4 3/4 |
116.3 |
101.6 |
92.1 |
| WJZ29-NC31-1 |
73.03 |
2 7/8 |
50.8 |
2 |
NC31 |
104.8 |
4 1/8 |
100.4 |
84.1 |
81 |
FAKATOKANGA: Ko nga taonga miihini e tohu ana ki nga kara drill kore-magnetic.
Ngā Āhuatanga Autō(āpure aukume=1x10³/4πA/m)
1.Wawaenga:μr<1.010
2. Rōnaki mara autō:△B≤0.05μT
