Hexagonal wire mesh is also known by the name of chicken mesh. Hexagonal wire mesh is manufactured in galvanized iron and galvanized iron drawn wire. It is extensively used in industrial, agricultural construction building works and so on. 
Size:8#-27#. 

Mesh			Min. Gal.v. G/SQ.M	Width	Wire Gauge (BWG)
Inch	mm	Tolerance (mm)
3/8"	10mm	±1.0	0.7mm - 145	2' - 1M	27,26,25,24,23,22,21
1/2"	13mm	±1.5	0.7mm - 95	2' - 2M	25,24,23,22,21,20,
5/8"	16mm	±2.0	0.7mm - 70	2' - 2M	27,26,25,24,23,22
3/4"	20mm	±3.0	0.7mm - 55	2' - 2M	25,24,23,22,21,20,19
1"	25mm	±3.0	0.9mm - 55	1' - 2M	25,24,23,22,21,20,19,18
1-1/4"	32mm	±4.0	0.9mm - 40	1' - 2M	22,21,20,19,18
1-1/2"	40mm	±5.0	1.0mm - 45	1' - 2M	22,21,20,19,18,17
2"	50mm	±6.0	1.2mm - 40	1' - 2M	22,21,20,19,18,17,16,15,14
3"	75mm	±8.0	1.4mm - 30	2' - 2M	21,20,19,18,17,16,15,14
4"	100mm	±8.0	1.6mm - 30	2' - 2M	17,16,15,14
Note:

Note:
 1.) The above tolerance comply with standard EN10223-2:1997; 
 2.) Minimum Galvanization is only for typical wire diameter as stipulated separately in the column for your reference;  Also it is only for hot dipped Galvanized Netting.