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DIN 97:2016 Countersunk Head Slotted Wood Screw

DIN 97:2016 Countersunk Head Slotted Wood Screw is characterized by a slotted countersunk head and wood screw thread and is intended for joints where the screw head needs to be recessed into the timber surface for a flush finish.

The countersunk head works with chamfered holes to reduce protrusion, while the wood thread forms strong engagement in wood fibers. In assembly, the design helps reduce supporting operations, improve positioning consistency, and maintain good interchangeability in repeated production or field service.

Typical applications include wood panels, furniture structures, door and window frames, decorative boards, and wooden fixtures. The product can be configured with zinc plating, stainless steel, brass, or colored surface finishes to suit indoor, outdoor, light-load, vibration-exposed, or export supply conditions.

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Dimensions unit: inch 

Thread size

(1.6)

(2)

2.5

3

3.5

4

4.5

5

(5.5)

6

(7)

8

(10)

P

Pitch

0.7

0.9

1.1

1.35

1.6

1.8

2

2.2

2.4

2.6

3.2

3.6

4.5

ds

Max.

1.6

2

2.5

3

3.5

4

4.5

5

5.5

6

7

8

10

Min.

1.2

1.6

2.1

2.6

3.02

3.52

4.02

4.52

5.02

5.52

6.42

7.42

9.42

dk

Nominal

3

3.8

4.7

5.6

6.5

7.5

8.3

9.2

10.2

11

12.5

14.5

18

Max.

3.3

4.18

5.08

5.98

6.95

7.95

8.75

9.65

10.75

11.55

13.05

15.05

18.55

Min.

2.7

3.43

4.33

5.23

6.05

7.05

7.85

8.75

9.65

10.45

11.95

13.95

17.45

k

Max.

0.96

1.2

1.5

1.65

1.93

2.2

2.35

2.5

2.75

3

3.5

4

5

n

Nominal

0.4

0.5

0.6

0.8

0.8

1

1

1.2

1.2

1.6

2

2

2.5

Max.

0.6

0.7

0.8

1

1

1.2

1.2

1.51

1.51

1.91

2.31

2.31

2.81

Min.

0.46

0.56

0.66

0.86

0.86

1.06

1.06

1.26

1.26

1.66

2.06

2.06

2.56

t

Max.

0.45

0.6

0.7

0.85

1

1.1

1.2

1.3

1.4

1.6

1.9

2.1

2.6

Min.

0.32

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.4

1.6

2

 Thousand pieces of steel weigh ≈kg

Reference DIN 97-1986

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-

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