Different Types Of Pencils Used In Engineering Drawing. D type Continuous THIN Zig-Zag. Use of pencils fir different lines visible outline hb pencil extension line 2h pencil dimension line 2h pencil section line 2h pencil le.
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J type Chain THICK. Black for object lines and hatching. C type Continuous THIN Freehand.
It is best used for drawing.
C type Continuous THIN Freehand. A Magenta pencil is used for the cutting plane or phantom lines. It is best used for drawing. Hard pencils dont smudge easily so your drawings will always be sharp and clean.
