Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou

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Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for 70mm Galvanized Clout Nails, 7d Galvanized Nails, Barbed Wire Cost Per Foot, It is our great honor to meet your demands.We sincerely hope we can cooperate with you in the near future.
Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou Detail:

Product Name:self-drilling screw
Material:stainless steel/carbon steel.
Color:sliver/black/zinc
Standard: DIN ISO JIS GB ANSI ASME BSW
Grade:A2-70/A4-80/4.8/8.8/12.8
Package:
1. We have several sizes of packing dimensions, can be 20kg or 25kg per carton;
2. For large orders, we can design specific sizes of boxes and cartons;
3. Normal Packing: 1000pcs/500pcs/250pcs per small box. then small boxes into cartons.
4. Can provide special packings as clients requests;
Features:
 1. We supply credible products with high quality in timely delivery.
 2.All of our products are inspected by QC before packing
 3.Standard export package or according to your requirements.
How are self drilling screws measured?
They are measured from the top of the head to the tip. Hex and hex washer head screws and bolts, 
although flat on the top and the bottom, are measured from the bottom of the head. From that point 
to the tip is the length of the screw. Self drilling screws are measured all the way to the end of the 
drill point tip.
Do you need a pilot hole for self drilling screws?
While self-tapping screws will tap a hole into a soft material, self-drilling screws are capable of drilling 
a hole into anything from metal to wood. This key difference is self-drilling screws have a tip like a 
drill bit, so they do not need a pilot hole.
What is the difference between self drilling and self tapping screws?
Self-drilling screws eliminate the need for a pilot hole, but can tap as well. Self-tapping screws tap
their own threads, but cannot drill through metal and require a pilot hole. These screws are not
interchangeable, and mixing up the two can cause many headaches or possible failures in the field.
What are self drilling screws used for?
Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole
during installation. Self drilling screws are a commonly used variety of screw for quick drilling into
both metal and wood. A self drilling screw can typically be identified by its point and flute (notch) tip.

size(mm)

size(mm)

size(mm)

4.2*13

5.5*32

6.3*25

4.2*16

5.5*38

6.3*32

4.2*19

5.5*41

6.3*38

4.2*25

5.5*50

6.3*41

4.2*32

5.5*63

6.3*50

4.2*38

5.5*75

6.3*63

4.8*13

5.5*80

6.3*75

4.8*16

5.5*90

6.3*80

4.8*19

5.5*100

6.3*90

4.8*25

5.5*115

6.3*100

4.8*32

5.5*125

6.3*115

4.8*38

5.5*135

6.3*125

4.8*45

5.5*150

6.3*135

4.8*50

5.5*165

6.3*150

5.5*19

5.5*185

6.3*165

5.5*25

6.3*19

6.3*185

 

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self-driling screw.webp

Self drilling screw: self-drilling screw connect componenets in one worek step:the drill ,from the thread and fasten .

This reduces the installation time,saves tool changes and costs for drills.

Self drilling screw: self -drilling screw are availablein,stianelss steel for weather-exposed areas and in zinc,plated  steel for unweathered areas.

These steel screws hace a head encapsulated by chemical.resistant stainless steel . a rubber-bonded  washer compresses to form a,watertight seal.

The save you time,and effort by drilling theri own holes and fastening in a single operation

微信截图_20201110101336

微信截图_20201110101401

 


Product detail pictures:

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures

Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou detail pictures


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The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for Wholesale Dealers of Screw Sorting - Hot sale hex head roofing screws taiwan quality C1022A slef-drilling screw hex head Self Drilling Screws – YouYou , The product will supply to all over the world, such as: Accra, Portland, Cape Town, With a wide range, good quality, reasonable prices and stylish designs, our items are extensively used in this field and other industries. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success! We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
  • Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
    5 Stars By Lee from Belgium - 2017.10.27 12:12
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Roxanne from Costa rica - 2018.08.12 12:27

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