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

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