Microscrew Trilobular Type B Threadformring for use in metal plastic
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Technical Data
B Type trilobular thread form
| Screw diameter | Taper length | Incomplete thread under head | Thread Pitch | No. of Phillips recess | c Min | c Max | d Min | d Max |
| M1.4 | 2.5 pitches maximum | 2 pitches maximum | 0.45 | 0 | 1.37 | 1.43 | 1.31 | 1.37 |
| M1.6 | 2.5 pitches maximum | 2 pitches maximum | 0.5 | 0 | 1.57 | 1.63 | 1.5 | 1.56 |
| M1.7 | 2.5 pitches maximum | 2 pitches maximum | 0.5 | 0 | 1.67 | 1.73 | 1.6 | 1.66 |
| M2 | 1.27 - 1.59 | 2 pitches maximum | 0.64 | 1 | 1.96 | 2.04 | 1.88 | 1.96 |
| M2.3 | 1.59 - 1.98 | 2 pitches maximum | 0.79 | 1 | 2.26 | 2.34 | 2.18 | 2.26 |
| M2.6 | 1.82 - 2.28 | 2 pitches maximum | 0.91 | 1 | 2.56 | 2.64 | 2.47 | 2.55 |
| M3 | 2.12 - 2.65 | 2 pitches maximum | 1.06 | 1 | 2.95 | 3.05 | 2.85 | 2.95 |
