Wednesday, 7 June 2017

Engineering Drawing Important Notes









Some Important Notes

CBR                             Counterbore
CSK                             Counter sink
PCD                             Pitch Circle Diameter
NTS                             Not  to Scale
A5                                Angle 50
2:1                               Horizontal : Vertical
SPHR                          Sphere
R                                  (Half diameter)
Ø                                  Diameter
SQ                               (Square)
HEX                             (Hexagonal)
4 HOLES Ø 6      hole diameter 6 mmA
Ø 20 DEEP 25            20 Ddiameter mm depth of hole 25 mm 0
M30x1.5                      M  Mertic Thread
                                    30 MM  Diameter 

                                    1.5  Pitch

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