Din 7981 Tapping Screw


Din 7981 Tapping Screw

ZD

Dk(max)

K

N(min)

M3.5

6.9

1.85-2.10

1.06

M3.9

7.5

2.00-2.25

1.06

M4.2

8.2

2.15-2.45

1.26

M4.8

9.5

2.50-2.80

1.26

 

Size(mm)

3.5x9.5

3.9x9.5

4.2x9.5

4.8x9.5

3.5x13

3.9x13

4.2x13

4.8x13

3.5x16

3.9x16

4.2x16

4.8x16

3.5x19

3.9x19

4.2x19

4.8x19

3.5x25

3.9x25

4.2x25

4.8x25

 

 

4.2x32

4.8x32

 

 

 

4.8x38

Size(inch)

#6x3/8”

#7x3/8”

#8x3/8”

#10x3/8”

#6x1/2”

#7x1/2”

#8x1/2”

#10x1/2”

#6x5/8”

#7x5/8”

#8x5/8”

#10x5/8”

#6x3/4”

#7x3/4”

#8x3/4”

#10x3/4”

#6x1”

#7x1”

#8x1”

#10x1”

 

 

#8x1-1/4”

#10x1-1/4”

 

 

 

#10x1-1/2”