Countersunk Head Screw
Countersunk head screw, also known as flat machine screw, its head is a 90-degree cone, similar to common wood screws. On the surface of the mounting hole on the connector, a 90-degree conical socket is machined, and head of the countersunk head screw is in the socket and is flush with the surface of the connector.
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PRODUCT INTRODUCTION

Countersunk head screws are a must-have in any toolbox, whether it be for professional use or simple DIY projects. They have a tapered head with a flat top, enabling them to sit flush with the surface of the material they are screwed into. This makes them ideal for applications where a smooth and even surface is required, such as furniture construction, decking, or metalworking.

 

Our countersunk head screws are manufactured using high-quality materials and advanced technology to ensure they meet the standards required by our customers. Made from tough steel or aluminium, they are rust-resistant and long-lasting, providing an excellent solution for many applications.

 

One of the essential benefits of countersunk screws is their versatility. They can be used with different materials, including metal, wood, and plastic, making them a handy tool for a variety of projects. They come in various sizes, lengths, and thread types, making it easy to choose the perfect option for your specific needs.

 

Another benefit of our countersunk head screws is the ease with which they can be installed. They are designed to be fast and straightforward to screw into place, and the tapered head provides a secure fit that will not work its way loose over time. In addition, they are easy to remove, ensuring minimal damage to the material around them.

 

In any application, quality is essential, and our countersunk head screws are no exception. We take pride in producing the highest quality products that exceed our customers' expectations. Our rigorous quality control protocols ensure that each screw is tested to ensure exceptional strength and durability, so you can rest assured that your projects will withstand the test of time.

 

Our countersunk head screws are available in a range of finishes, including black oxide, galvanised, or painted, so you can select the most suitable option for your project's aesthetic needs. The finishes not only serve to improve the screw's appearance but also help to protect and extend its lifespan.

 

We offer a wide range of countersunk head screw options, including flathead, Phillips head or slotted, with different thread types, diameters and lengths, to meet your specific requirements. Our knowledgeable customer service professionals are always available to help you make the right selection and answer any questions you may have.

 

At our company, we pride ourselves on providing competitive pricing without compromising on quality. We are confident that you will be impressed with our products' quality, durability, and versatility, making them the perfect choice for your project needs.

 

In conclusion, our countersunk head screws are an excellent option for anyone looking for a versatile, highly-functional, and long-lasting screw solution. Our products' exceptional quality, ease of installation, and competitive pricing make them an ideal choice for professional contractors, DIY enthusiasts, and anyone in between. With our focus on quality and customer service, we are confident that our products will exceed your expectations and become your go-to solution for countersunk head screws.

 

Countersunk head screw, also known as flat machine screw, its head is a 90-degree cone, similar to common wood screws. On the surface of the mounting hole on the connector, a 90-degree conical socket is machined, and head of the countersunk head screw is in the socket and is flush with the surface of the connector. In addition to countersunk head screws, there are also semi-circle head flat machine screws used in some occasions. This kind of screw is more beautiful and can be used in places where a little protrusion is allowed on the surface.

Flat countersunk head screws are an indispensable necessity in daily life or industrial manufacturing. According to various properties and functions, it is divided into countersunk head socket head cap screws, countersunk head slotted screws, etc.

Production Process of Countersunk Head Screw

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Specification of Countersunk Head Screw

20220906102727e39d1c1bf96f4a5a919afe5a6567ea4d

Thread d

M3

M4

M5

M6

M8

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

P

0,5

0,7

0,8

1

1,25

1,5

1,75

2

2

2,5

2,5

2,5

3

a

90°

60°


0

 

 

b

l?125mm

12

14

16

18

22

26

30

34

38

42

46

50

54


125<l?200mm< p="">

-

-

-

24

28

32

36

40

44

48

52

56

60


l>200mm

-

-

-

-

-

45

49

53

57

61

65

69

73

c

approx.

0,2

0,3

0,3

0,3

0,4

0,5

0,5

0,5

0,5

0,5

0,5

1

1

dk

nominal=max.

6

8

10

12

16

20

24

27

30

33

36

36

39


min.

5,7

7,64

9,64

11,57

15,57

19,48

23,48

26,48

29,48

32,38

35,38

35,38

38,38

da

max.

3,6

4,7

5,7

6,8

9,2

11,2

13,7

15,7

17,7

20,2

22,4

24,4

26,4

ds

nominal=max.

3

4

5

6

8

10

12

14

16

18

20

22

24


min.

2,86

3,82

4,82

5,82

7,78

9,78

11,73

13,73

15,73

17,73

19,67

21,67

23,67

e

min.

2,3

2,87

3,44

4,58

5,72

6,86

9,15

11,43

11,43

13,72

13,72

16

16

k

max.

1,7

2,3

2,8

3,3

4,4

5,5

6,5

7

7,5

8

8,5

13,1

14

r

min.

0,1

0,2

0,2

0,3

0,5

0,5

1

1

1

1

1

1

1,6

s

nominal

2

2,5

3

4

5

6

8

10

10

12

12

14

14


min.

2,02

2,52

3,02

4,02

5,02

6,02

8,025

10,025

10,025

12,032

12,032

14,032

14,032


max.

2,1

2,6

3,1

4,12

5,14

6,14

8,175

10,175

10,175

12,212

12,212

14,212

14,212

t

nominal=max.

1,2

1,8

2,3

2,5

3,5

4,4

4,6

4,8

5,3

5,5

5,9

8,8

10,3


min.

0,95

1,5

2,05

2,25

3,2

4,1

4,3

4,5

5

5,2

5,6

8,44

9,87

Thread d

M3

M4

M5

M6

M8

M10

M12

l

lengths ls and lg

nominal

min.

max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

8

7,71

8,29

-

3,2

-

4,4

-

5,2

-

6,3

 

 

 

 

 

 

10

9,71

10,29

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

 

 

 

 

12

11,65

12,35

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

 

 

16

15,65

16,35

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

 

 

20

19,58

20,42

-

3,2

-

4,4

-

5,2

-

6,3

-

8,2

-

10

-

11,8

25

24,58

25,42

10,5

13

-

4,4

-

5,2

-

6,3

-

8,2

-

10

-

11,8

30

29,58

30,42

15,5

18

12,5

16

-

5,2

-

6,3

-

8,2

-

10

-

11,8

35

34,5

35,5

 

 

17,5

21

15

19

-

6,3

-

8,2

-

10

-

11,8

40

39,5

40,5

 

 

22,5

26

20

24

17

22

-

8,2

-

10

-

11,8

50

49,5

50,5

 

 

 

 

30

34

27

32

21,7

28

16,5

24

-

11,8

60

59,4

60,6

 

 

 

 

 

 

 

 

31,7

38

26,5

34

21,25

30

70

69,4

70,6

 

 

 

 

 

 

 

 

 

 

36,5

44

31,25

40

Thread d

(M14)

M16

(M18)

M20

(M22)

M24

l

lengths ls and lg

nominal

min.

max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

ls min.

lg max.

20

19,58

20,42

 

 

 

 

 

 

 

 

 

 

 

 

25

24,58

25,42

-

13

 

 

 

 

 

 

 

 

 

 

30

29,58

30,42

-

13

-

13,5

 

 

 

 

 

 

 

 

35

34,5

35,5

-

13

-

13,5

-

15,5

-

16

 

 

 

 

40

39,5

40,5

-

13

-

13,5

-

15,5

-

16

-

20,6

 

 

50

49,5

50,5

-

13

-

13,5

-

15,5

-

16

-

20,6

-

23

60

59,4

60,6

16

26

-

13,5

-

15,5

-

16

-

20,6

-

23

70

69,4

70,6

26

36

22

32

15,5

28

-

16

-

20,6

-

23

80

79,4

80,6

36

46

32

42

25,5

38

21,5

34

-

20,6

-

23

90

89,3

90,7

 

 

42

52

35,5

48

31,5

44

27,5

40

-

23

100

99,3

100,7

 

 

 

 

45,5

58

41,5

54

37,5

50

31

46

70

69,4

70,6

 

 

 

 

 

 

 

 

 

 

36,5

44



Application Area of Countersunk Head Screw

Flat countersunk head screws can be used in many places, such as electronic products, kitchen supplies, construction, outdoor facilities, office supplies, etc.

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How to Buy Countersunk Head Screw from Us?

Inquiry

There are two types of fasteners. One is standard parts, such as DIN7991, flat head countersunk screws. The other is non-standard parts. If you want standard pieces, you can tell the standard, size, grade (material), coating and quantity. For example, you want to buy DIN7991, M10, grade 8.8, galvanized and 20000pcs. If you want non-standard parts, you can show us samples, drawings or detailed instructions. Then our engineers will make technical drawings for you.

 

Price and payemnt

The price can be price/piece, or price/kg. We can quote EXW, FOB, CFR ,CIF with T/T, L/C, Western Union,etc. Or other ways agreed with customers.

 

Order

After checking, if the price and lead time are both ok, We will start to produce after advance payment according the requirements we promise.

 

Quality Insurance

We buy PICC PRODUCTS LIABILITY INSURANCE every year. We can agree in the contract that we will replace the goods or refund the money if there are some quality issues after you get our products. If quality problems happen after use, we will track the goods to deal the problems. And our insurance policy can cover your lost.

Why choose us?

  • Our company has a strong reputation for delivering exceptional products and services, and we strive to maintain this reputation through our commitment to excellence.
  • Our mission is to bring out a first-class team, create a first-class performance, and show a first-class style!
  • Our prices are highly competitive, and we offer flexible payment and delivery options that suit your needs.
  • From management to production staff, we are committed to developing and producing a variety of Countersunk Head Screw with the attitude of focusing on quality, improving quality, working efficiently, and being a giant in action.
  • We conduct rigorous testing and inspection of our products at every stage of the production process, ensuring that they meet the highest quality standards.
  • Our company adheres to the concept of service first, according to the market dynamics and different levels of demand to provide diversified products to meet different customers.
  • We are proud of our reputation as a trusted supplier and manufacturer of Machine Screw products, and we work hard every day to maintain this reputation.
  • We deepen and develop human resources development management to maximize the discovery and cultivation of talents that fit the company's strategy.
  • Our competitive pricing, superior quality, and exceptional customer support make us the ideal partner for your Machine Screw needs.
  • We organize production according to scientific management mode to ensure product quality and provide satisfactory service for users.
FAQ

Q1:Can you send samples?
A1:Of course, we can provide samples and courier services to customers around the world.
Q2:What if I have no import experience?
A2:We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3:How long is your lead time?
A3:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4:What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5:How is your technical support?
A5:We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem after delivery, we will offer you call anytime.

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