METRIC TAP DRILL SIZES
SCREW
SIZE
DRILL
SIZE MM
% THREAD NEAREST
INCH DRILL
M1.6x.35 1.25 69% 3/64
M1.8x.35 1.45 69% #53
M2x.4 1.60 69% #52
M2.5x.45 2 69% #46
M3x.5 2.50 68% #40
M3.5x.6 2.90 68% #33
M4x.7 3.30 69% #30
M5x.8 4.20 69% #19
SCREW
SIZE
DRILL
SIZE MM
% THREAD NEAREST
INCH DRILL
M6x1 5.00 70% #9
M7x1 6.00 70% 15/64
M8x1.25 6.70 74% 17/64
M8x1 7.00 69% J
M10x1.5 8.50 71% Q
M10x1.25 8.70 73% 11/32
M12x1.75 10.20 74% Y
M12x1.25 1.80 67% 27/64
SCREW
SIZE
DRILL
SIZE MM
% THREAD NEAREST
INCH DRILL
M14x2 12.00 72% 15/32
M14x1.5 12.50 71% 31/64
M16x2 14.00 72% 35/64
M16x1.5 14.50 71% 37/64
M18x2.5 15.50 73% 39/64
M18x1.5 16.50 70% 21/32
M20x2.5 17.50 73% 11/16
M20x1.5 18.50 70% 47/64
SCREW
SIZE
DRILL
SIZE MM
% THREAD NEAREST
INCH DRILL








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