Brazier Head Shape and Dimensions = Standard JIS

Technical Data

Screw diameter	For use with threadforming and tapping threads only	No. of Phillips recess	a Head Diameter size	a Tolerance	b Head Thickness size	b Tolerance
M2	not as a machine screw	1	4.2	+ 0 - 0.4	1.5	+ / - 0.1
M2.5	not as a machine screw	1	5.5	+ 0 - 0.4	2	+ / - 0.1
( M2.6 )	not as a machine screw	1	5.5	+ 0 - 0.4	2	+ / - 0.1
M3	not as a machine screw	2	6.4	+ 0 - 0.5	2.45	+ / - 0.15
( M3.5 )	not as a machine screw	2	7.4	+ 0 - 0.5	2.6	+ / - 0.15
M4	not as a machine screw	2	8.5	+ 0 - 0.5	2.7	+ / - 0.15
( M4.5 )	not as a machine screw	2	9.5	+ 0 - 0.5	3.05	+ / - 0.15
M5	not as a machine screw	2	10.6	+ 0 - 0.6	3.4	+ / - 0.15
M6	not as a machine screw	3	12.5	+ 0 - 0.7	4.1	+ / 0.2