Standard Washer Sizes In Mm

Size inside diameter outside diameter thickness m1 1 1mm 3 2mm 0 3mm m1 2 1 3mm 3 8mm 0 3mm m1 4.

Standard washer sizes in mm.

Bolt size inside diameter outside diameter thickness. Metric flat washers per. Washers of standard metric sizes are listed in the table below. Print this page.

Specifications for standard metric flat washers were known as din 125 withdrawn and replaced with iso 7089. Measurements in the table refer to the dimensions of the washers as described by the drawing. Size inside diameter. Extra large flat round washers metric mild steel black as1237 1 table 3 un0306 standard dimensions.

American metric washers size table metric washers per ansi b18 22m. Inside diameter a outside diameter b thickness. Standard metric flat washers sizes. Specification din 125 part 2 type a.

This table define the dimensional limits of metric washers sizes m1 6 to m28 which are medium type primarily for hexagon bolts. Specification din 125 this table define the dimensional limits of metric washers din 125. Dimensional data and technical information shown on the fastenerdata website is in the public domain and has not been acquired through the standards agencies it has been completed and compiled by fastenerdata and is for guidance only. Un0306 extra large flat round washers metric mild steel black as1237 1 table 3.

Fastenerdata makes no warranties or representations regarding. Where discrepancies are found they are subject to change without notice. Iso metric hardware specification design data. This standard has been withdrawn and replaced by the following.

Metric hex head screw iso hex head bolts iso 4014 iso 4016 iso 4017 iso 4018. For example an 8mm washer fits an 8mm bolt and therefore has an inner diameter of just over 8mm. Metric flat washers per.