ISO Socket Button Head (ISO 7380 ) Engineering Size Data

Size	Thread Dia	Thread Dist	Head Dia	Head Height	Flat Width	Length
M3X0.5	3.0000	1.00000	5.7000	1.65000	2.0450	6, 8, 10, 12
M4X0.7	4.0000	1.40000	7.6000	2.20000	2.5600	8, 10, 12, 16
M5X0.8	5.0000	1.60000	9.5000	2.75000	3.0800	10, 12, 16, 20, 25, 30
M6X1	6.0000	2.00000	10.5000	3.30000	4.0950	10, 12, 16, 20, 25, 30
M8X1.25	8.0000	2.50000	14.0000	4.40000	5.0950	10, 12, 16, 20 to 40 by 5
M10X1.5	10.0000	3.00000	17.5000	5.50000	6.0950	16, 20 to 40 by 5
M12X1.75	12.0000	3.50000	21.0000	6.60000	8.1150	16, 20 to 50 by 5
M16X2	16.0000	4.00000	28.0000	8.80000	10.1150	25 to 50 by 5