圆珠笔尖有哪几种规格?
常见的笔尖大小,主要有五种,由细到粗分别为:
(1)EF=ExtraFine特细号,笔尖宽度约:0.24~0.28mm;
(2)F=Fine细号,笔尖宽度约:0.28~0.34mm;
(3)M=Medium中号,笔尖宽度约:0.34~0.44mm;
(4)B=Broad宽号,笔尖宽度约:0.44~0.54mm;
(5)BB=DoubleBroad双倍宽号,笔尖宽度约:0.66~0.86mm。
常见的笔尖大小,主要有五种,由细到粗分别为:
(1)EF=ExtraFine特细号,笔尖宽度约:0.24~0.28mm;
(2)F=Fine细号,笔尖宽度约:0.28~0.34mm;
(3)M=Medium中号,笔尖宽度约:0.34~0.44mm;
(4)B=Broad宽号,笔尖宽度约:0.44~0.54mm;
(5)BB=DoubleBroad双倍宽号,笔尖宽度约:0.66~0.86mm。