Products

DIN Bulge Head Bulk Package and Box Package Coarse Thread Drywall Screw

Production Description:

Head Type Bugle Head
Thread Type Coarse Thread
Drive type Phillip Drive
Diameter M3.5(#6) M3.9(#7) M4.2(#8) M4.8(#10)
Length From 13mm to 150mm
Material C1022A
Finish Black phosphate

Product Detail

Product Tags

Production Technology

Drywall screw:

1. Heat treatment: It is a method of heating steel to different temperatures and then using different cooling methods to achieve different purposes of changing the properties of steel. The commonly used heat treatments are: quenching, annealing, and tempering. What kind of effects will these three methods produce?

2. Quenching: A heat treatment method in which the steel is heated to above 942 degrees Celsius to make the steel crystals in austenitic state, and then immersed in cold water or cooling oil to quench to make the steel crystals in a martensitic state. This method can increase the strength and hardness of the steel. There is a very big difference in the strength and hardness of the steel with the same label after quenching and without quenching.

3. Annealing: A heat treatment method in which the steel is also heated to an austenitic state and then naturally cooled in air. This method can reduce the strength and hardness of the steel, improve its flexibility, and facilitate processing. Generally, steel will go through this step before processing.

4.  Tempering: Whether it is quenched, annealed or press-formed, steel will generate internal stress, and the imbalance of internal stress will affect the structure and mechanical properties of the steel from the inside, so a tempering process is required. The material is kept warm continuously at a temperature of more than 700 degrees, its internal stress is changed and then cooled naturally.

Detailed Picture

Bulge Head DIN Yulongjian Bulk and Box Package Coarse Thread Drywall Screw2
Bulge Head DIN Yulongjian Bulk and Box Package Coarse Thread Drywall Screw4
Bulge Head DIN Yulongjian Bulk and Box Package Coarse Thread Drywall Screw3

Company Profile

Slice 01

Comparing Advantages With Peers

Tanjin Xinuifeng Technology Co.. Ltd. has been in the fastener industry for nearly 20 years and we can customize all kinds of products per your requirements. We have an established management system and quality control procedure. Excellent quality,competitive price, and timely delivery are the pllars of the company's foundation. Win-win and long-term cooperation is our final goals when dealing with diferent clients.

Product  Parameter

Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch) Size(mm) Size(inch)
3.5*13 #6*1/2 3.5*65 #6*2-1/2 4.2*13 #8*1/2 4.2*102 #8*4
3.5*16 #6*5/8 3.5*75 #6*3 4.2*16 #8*5/8 4.8*51 #10*2
3.5*19 #6*3/4 3.9*20 #7*3/4 4.2*19 #8*3/4 4.8*65 #10*2-1/2
3.5*25 #6*1 3.9*25 #7*1 4.2*25 #8*1 4.8*70 #10*2-3/4
3.5*29 #6*1-1/8 3.9*30 #7*1-1/8 4.2*32 #8*1-1/4 4.8*75 #10*3
3.5*32 #6*1-1/4 3.9*32 #7*1-1/4 4.2*34 #8*1-1/2 4.8*90 #10*3-1/2
3.5*35 #6*1-3/8 3.9*35 #7*1-1/2 4.2*38 #8*1-5/8 4.8*100 #10*4
3.5*38 #6*1-1/2 3.9*38 #7*1-5/8 4.2*40 #8*1-3/4 4.8*115 #10*4-1/2
3.5*41 #6*1-5/8 3.9*40 #7*1-3/4 4.2*51 #8*2 4.8*120 #10*4-3/4
3.5*45 #6*1-3/4 3.9*45 #7*1-7/8 4.2*65 #8*2-1/2 4.8*125 #10*5
3.5*51 #6*2 3.9*51 #7*2 4.2*70 #8*2-3/4 4.8*127 #10*5-1/8
3.5*55 #6*2-1/8 3.9*55 #7*2-1/8 4.2*75 #8*3 4.8*150 #10*6
3.5*57 #6*2-1/4 3.9*65 #7*2-1/2 4.2*90 #8*3-1/2 4.8*152 #10*6-1/8

Packaging & Transportation

Slice 05

Our Customers

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Payment terms

L/C, T/T, Others

Certificate

81718039906883966220_00
78631771573154452202_00
6b9be9ed017ce85b1b993387f800a0a

After-sales Service

Q1: Are you trading company or manufacturer?
A1: We are the manufacturer. We also have our professional Foreign Trade Team for servicing you. We provide 7x24 hours real-time video verification factory service.

Q2: What is your terms of payment ?
A2: 30%T/T in advance ,balance before shipment. And we also can accept L/C at sight payment terms.

Q3. Can you provide a sample?
A3: Yes, We can supply sample at free charge, but not including Express charge.

Q4. Can you provide Test Report?
A4: Yes, we can provide Factory Test Report for you at free charge from our company. And you also can afford cost to ask the Thirty Party like SGS, BV etc to Test your order before shipping.

Q5: Can you provide Technical support and After sales service?
A5: Yes, we can provide you the supply chain solution for Fastener products and We provide you the technical solution for Fastener Equipment. We also provide you the after sales service.

Q6: How do we can know more information for your factory?
A6: You can follow our YouTube, Linkedin, Facebook, Twitter, WeChat, and Whatsapp etc because we continuously updates video about our company. You also can directly see our factory via Live Video of Skype,WeChat etc at working time.

Q7: How do we contact you?
A7: You can contact us via Email, also can via WeChat, Whatsapp, Skype, Made-in-China Message and Phone etc at your any time.

Q8: Can you finish customs clearance for order?
A8: Yes, we can finish Export customs clearance for your order in our country.

Customer Satisfaction Survey

4e7ea617794819d1c1e18290196295d

Faqs

What are drywall screws?

Drywall screws usually are sharp point or drilling point self tapping screws, they are also named gypsum board screws. They are including fine thread drywall screws, coarse thread drywall screws and drilling point drywall screws. Fine thread drywall screws are used for fastening gypsum board to steel of less than 0.8mm thickness. Coarse thread drywall screws are used for fastening gypsum board to wood, and they are also used for furniture. Drilling point drywall screws are used for fastening gypsum board to steel of less than 2mm thickness.

What size are drywall screws?

Drywall screws usually have the following sizes.

Thread dia: #6, #7, #8, #10

Screw length: 13mm-151mm

Can I use drywall screws for wood?

You can use coarse thread drywall screws for wood. That is, you can use coarse thread drywall screws to fasten gypsum-board to wood, you also can use coarse thread drywall screws for furniture.

Can I use wood screws for drywall?

Wood screws are usually used for wood. But some customers also think that they are all wood screws for hex head wood screws, CSK head wood screws, CSK head chipboard screws and Coarse thread drywall screws. If your mentioned wood screws are coarse thread drywall screws, of course, they can be used for drywall.

How to install drywall screws?

You can use screwdriver to install drywall screws.

How to remove drywall screws?

You can use screwdriver to remove drywall screws.

Can I choose drywall screw color?

Yes, you can choose grey color, black color, blue white color, yellow color and other colors. If you choose grey phosphate, screw color is grey. If you choose black phosphate, screw color is black. If you choose zinc plated, screw color is blue white or yellow color. Of course, if you choose painting, Geomet or Ruspert, screw color is optional like red, blue, green, brown, black, grey, silver etc .


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