DIN439 Unchamfered Hexagon Thin Nut

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Product Description

Product Name	DIN439 Unchamfered Hexagon Thin Nut
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	M3--M20
Standard Model	DIN ANSI JIS ASTM
Min Order	1000piece/ pieces

Packaging & Shipping

Packing	Inner Box + Carton Box + Pallet or Under Your Requirement
Supply capacity	10000000 piece/ pieces per month
Delivery time	5~20 days after deposit
Export market	Asia, America, Europe, Africa, markets.

Our Services

1. Reliable Supplier
2. High Quality
3. Standard Producing Technology
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1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery

Product Picture：

DIN439 Unchamfered Hexagon Thin Nut

Q: Who include who btween them?: Fasteners are said from the point of view of the action, which contains both standard parts (GB ANSI ASME DIN EU JIS, etc.) and non-standard parts (according to the drawings) is not entirely a concept

Q: What is the meaning of the 8.8 on the screw: The so-called 8.8 grade refers to the bolt shear stress rating of 8.8GPa

Q: Why do you have to add a spring washer when it comes to the role of ah ah ah: Reinforce and prevent looseningImagine the screw into the threaded hole, if the equipment for a long period of vibration, screw and screw combination may be loose, or even fall off

Q: When is the gasket (flat pad, spring pad): A washer to prevent loosening of bolts. That is, elastic washer, anti loose washer works very simple. It consists of two washers. The outside is embossed with a radial surface, while the inner oblique tooth surface. When assembled, the medial oblique tooth surface relative to the outer radial surface and both ends of the contact surface relief into the occlusal state when the connectors are vibration, and the trend of bolts loosening, only allow two washers inside oblique tooth relative dislocation, resulting in uplift of tension, so as to achieve the 100% locking.

Q: What are some of the common fastener products?: This fastener has two parts of the head and the nail, the two through-hole parts to connect the role of fastening, so that they become a whole. This connection is called rivet connection, sometimes called riveting directly. This connection can not be disassembled, because the two parts to separate, then we must put the parts on the rivets to destroy.

Q: What is the difference between gaskets and seals?: The washer is divided into: -C, flat washer washer -A and grade C, grade -C large washers, washer, flat washer, flat washer, chamfered - - a grade steel structure with high strength washer, spherical washer, taper washers, square taper washers, steel I-beam, square taper washers standard type spring washers, spring washers, light heavy spring washers, lock washers internal teeth serrated lock washers, inner and outer teeth lock washers, serrated lock washers, single ear washers, ears washers, external tab washers, round nuts with washers.

Q: Gasket 300HV relative to what material?: For the 200HV and 300HV level should choose 45, 50, 60, 70 steel or 65Mn steel, heat treatment can be quenched and tempered to reach the technical requirements of 200 ~ 300HV and 300 ~ 400HV

Q: What is the name of the screw (fastener)?: By hole type: a. Through hole b. Blind hole Material: a. Iron (Fe) b. Aluminum (Al) c. Stainless steel (sus)By color: a. Colorful (character) b. Blue zinc c. Black zinc

Q: How to look at screw models: According to the size of the outer diameter, such as the outer diameter of 6 mm, then the M6 screws. But not every millimeter has, according to a certain law.