Page 173 - Threading_Handbook

SD TRD – Designation Code Key
THREAD MILLING

SD TRD 32 - M60 - 6P - SP15 IC908

1 2 3 4 5
1 Cutting diameter (DC)

DC

2 Profile angle
W55 — 55°

M60 — 60°

55° or 60°

3 Thread pitch value by number
• For metric threading in mm
• For inch threading in TPI

4 Connection size

DCONMS

5 Grade
IC908

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