フォーミングタップの精度について

フォーミングタップの精度について

フォーミングタップの精度

サイズHole type & Thread limit
P type (Through)B type (Blind)
M 1×0.25H4H4
M1.2×0.25H4H4
M1.4×0.3H4H4
M1.6×0.35H4H4
M1.7×0.35H4H4
M 2×0.4H4H4
M2.3×0.4H4H4
M2.5×0.45H4H4
M2.6×0.45H4H4
M 3×0.5H5H5
M3.5×0.6H5H5
M 4×0.7H6H6
M 5×0.8H6H6
M 6×1H7H7
M 8×1.25H7H7
M 10×1.5H7H7
M 10×1.25H7H7
M 12×1.75H10H10
M 12×1.25H10H10
NO 4ー40H5H5
NO 6ー32H5H5
NO 8ー32H5H5
NO10ー32H5H5

【P type】
The chamfer length is 4 pitches.
The thread side conter from M1
upto M6 is male center.

【B type】
The chamfer length is 2 pitches.
The thread side center is flat.