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Dongguan Zhongyi Screw Mould Co., Ltd.

Zhongyi Mould Stainless steel tooth plate, thread rolling plate

4Thread standard -> Self-tapping screws
ANSI (American Standard) self-tapping A screw

Specifications

Number of teeth 

Outer diameter 

 

Max 

Minimum 

Rolling diameter 

NO: 0

 40

 1.52

 1.44

 1.17

NO: 1

 32

 1.90

 1.82

 1.47

NO: 2

 32

 2.23

 2.13

 1.78

NO: 3

 28

 2.56

 2.46

 2.10

NO: 4

 24

 2.89

 2.79

 2.25

NO: 5

 20

 3.30

 3.20

 2.60

 NO: 6

 18

 3.58

 3.45

 2.80

 NO: 7

 16

 4.01

 3.86

 3.10

 NO: 8

 15

 4.26

 4.11

 3.30

NO:10

 12

 4.92

 4.77

 3.75

 NO:12

 11

 5.61

 5.46

 4.30

 NO:14

 10

 6.45

 6.29

 5.05

 NO:16

 10

 7.11

 6.96

 5.60

 NO:18

 9

 7.77

 7.62

 6.05

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