Jishu Hozen step 4-2

F Document No. Prepared by 10/02/2003
A
One-Point Lesson 4-2(1) Approved by

FF FF Issued Date
Revised

1

1. F ABC F F A C FF
F
1.1 F AB ˈ F F F F (Helix)

1.2 P F F A,C B ˈ

F F Pitch

2. F F F ˈ

3. F FF

4. F F

2 (Internal 3 F (External Threed )

5. Lead (L) 1

6. Single Thread Lead F Pitch

L = n x P (L = Lead , P = Pitch , n = Thread)

7. F

8. F F

F