Metric Flat Washer Dimensions

Countersunk bolt loading capacities grade 10 9.

Metric flat washer dimensions.

The outside diameter of this variety washer is approximately 7 12 smaller than that. Class 300 hv washers are also hardened and tempered. Iso 7089 size table all size units given in mm. Engineering information conversions and calculations.

Form a is identical to the more popular german specification din125. Extra large flat round washers metric mild steel black as1237 1 table 3 un0306 standard dimensions. For example an 8mm washer fits an 8mm bolt and therefore has an inner diameter of just over 8mm. Iso flat washer size table chart iso 7089.

Un0306 extra large flat round washers metric mild steel black as1237 1 table 3. 2 mm 2 5 mm 3 mm 3 5 mm 4 mm 5 mm 6 mm 7 mm 8 mm 10 mm 12 mm 14 mm 16 mm 18 mm 20 mm 22 mm 24 mm 1 6 mm. Metric standard flat washer bs 4320 form a the most popular through to form g showing dimensions. We also have information onimperial washers.

The following tables define the sizes for metric flat washers per iso 7089. Washer sizes correspond to the screw bolt. Metric hex head screws. When it comes to flat washers the good news is that regardless of where you buy them or who makes them the dimensions should be almost exactly the same this is because all metric flat washers are classed within certain forms and each form has the same dimensions regardless of manufacturer.

Dimensions shown are in mm if you wish to convert to inches please use ouruniversal converter. Of a like sized standard flat washer. Standard external metric thread and fastener sizes m 0 25 m 1 4. A thin flat circular part with a centrally located hole.

The charts below gives the dimensions for metric flat spring internal tooth external toothandnordlockwashers. Metric flat washer iso 7089. Bolt loading capacities grade 8 8. Metric flat washers dimensions form a din 125 form b bs 4320 form c bs 4320 size o d thickness o d thickness o d thickness m3 7 0 5 m3 5 8 0 5 m4 9 0 8 10 0 8 m5 10 1 0 10 0 8 12 5 1 0 m6 12 1 6 12 5 0 8 14 1 6 m8 16 1 6 17 1 0 21 1 6 m10 20 2 0 21 1 25 24 2 0 m12 24 2 5 24 1 6 28 2 5.

Iso hardware engineering data ansi hardware engineering data. For screw nominal size.