Buttons for cloth buttons Common number: The shape of a cloth button is generally circular. To simplify the designation of the model, a certain range of buttons with a diameter of a certain size is converted into a popular and easy-to-remember method called “number”. Such as button industry often say 14 #, 16 #, 18 #, 20 #, 60 # (14 # Chinese called 14)! Its standard change formula is: diameter = model * 0.625 (mm). The algorithm is as follows: If you have a cloth button or other button in your hand, but you do not know its size, (ie, the size of the diameter) you can use the caliper to measure its diameter (mm) and divide it by 0.625. The number of buttons.

The following is a list of commonly used specifications for cloth buttons and cloth buckles. It is only approximate value. The actual size will be related to the thickness of the cloth.

model
Model

diameter
D

model
Model

diameter
D

model
Model

diameter
D

12# 7.5MM



14# 8.9MM 30# 19.05MM 48# 30MM 16# 10.2MM 32# 20.32MM 54# 34.3 18# 11.4 34# 21.6MM 60# 38.1MM 20# 12.7MM 36# 22.86MM 70# 44.5MM 22# 13.97MM 38 # 24.13MM 80# 50.8MM 24# 15MM 40# 25.4MM 90# 57.15MM 26# 16.51MM 44# 27.8MM 100# 63.5MM 28# 17.78MM 46# 29MM 120# 75MM

Button size lignes(L) or millimeter(MM) for diameter
1Lignes=0.625 MM 1MM=1/25 INCH


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