China 2018 Good Quality Screw Tighter Machine - Multifunctional patta self drilling screw – YouYou factory and suppliers

2018 Good Quality Screw Tighter Machine - Multifunctional patta self drilling screw – YouYou

Short Description:

Product Detail

Product Tags

Feedback (2)

We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Thin Barbed Wire, Sugarcane Machete, Hot Dipped Galvanized Nails Pressure Treated, We welcome new and previous clients from all walks of lifetime to get in touch with us for future small business interactions and mutual success!

2018 Good Quality Screw Tighter Machine - Multifunctional patta self drilling screw – 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

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

Product detail pictures:

Related Product Guide:

Our rewards are reduce selling prices,dynamic revenue team,specialized QC,sturdy factories,superior quality services for 2018 Good Quality Screw Tighter Machine - Multifunctional patta self drilling screw – YouYou , The product will supply to all over the world, such as: The Swiss, Panama, Bulgaria, We firmly think that we have the full capability to give you contented merchandise. Wish to collect concerns within you and build a new long-term synergy romantic relationship. We all significantly promise:Csame excellent, better selling price; exact selling price, better quality.

Black Machine Screws