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Particulars |
TOLERANCES |
1 |
HEAD DIAMETER |
±0.15 mm |
2 |
HEAD ACCENTRICITY |
±0.10 mm |
3 |
STEM DIAMETER |
03mm - 06mm (-0.015 mm)
06mm - 10mm (-0.020 mm)
10mm - 18mm (-0.025 mm) |
4 |
STEM ACCENTRICITY |
0.01 mm |
5 |
TOTAL LENGTH |
±0.25 mm |
6 |
COLLET GROOVE WIDTH |
+0.15 mm to – 0.05 mm |
7 |
COLLET GROOVE DIAMETER |
+0.05 mm - -0.15 mm |
8 |
LENGTH CROWN TO GROOVE |
+0.20 mm |
9 |
TIP LENGTH |
0.1 mm |
10 |
SEAT DEGREE |
15 MINUTES |
11 |
HEAD THICKNESS |
±0.25 mm |
12 |
FACE ANGLE / SEAT ANGLE |
+30' to – 0' (minute) |
13 |
SEAT WIDTH |
0.2 mm |
14 |
RIM THICKNESS |
0.1 mm |
15 |
SEAT ACCENTRICITY |
0.025 mm |
16 |
TIP HARDNESS |
50-55 HRC |
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