DIN603 Round Head Square Neck Bolt

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Product Description

Product Name	DIN603 Round Head Square Neck Bolt
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	M4--M22
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
4. Competitive Factory Price
5. Fast Delivery

1. Reliable Supplier

2. High Quality

3. Standard Producing Technology

4. Competitive Factory Price

5. Fast Delivery

Product Picture：

DIN603 Round Head Square Neck Bolt

Q:In the fastener industry, 1018 refers to what material: Low-carbon steel. Domestic in accordance with the Japanese standard to create the SWRCH18A. (JIS G 3507) Carbon C: 0.15 to 0.20 Silicon Si: 0.17 to 0.37 Mn Mn: 0.60 to 0.90 Phosphorus P: ≤0.030 Sulfur S: ≤0.035 The carbon content of the material is relatively low and can not be quenched and tempered. Used for cold piers to make low-grade screws. Pull up the strength of 450Mpa.

Q:Screws are not slopes.: Of course, there are slope, as well as self-locking phenomenon, such as self-locking nut

Q:how much Specification for washers: Conventional M3-M130, there is a "SP" large outer diameter M8-M36, in general, large diameter washers used for long hole or flange nut assembly

Q:Please understand the friends of the self-tapping nails, screws, nuts production process, is the manufacturer's process. The more specific the more detailed the better: According to the screw nut and thread size custom the corresponding mold, mold is done into the material, then the head - rubbing - surface treatment - the packaging is complete.

Q:What are all the fasteners?: Under the national standard 13 categories: are studs, nuts, screws, bolts, washers, retaining rings, pins, wood screws, tapping screws, rivets, welding nails, assemblies and connecting vice, innovative and non-standard products

Q:This screw ye use, and how to use next to the cover: With the use of electric drill, with the corresponding screw bit on the wall where the need to make a hole, talk about the plastic protrusion into the hole into the hole, then the screw on the.

Q:The Symbolic Meaning of Screw: The symbolic meaning of the screw is generally refers to Lei Feng's "screw spirit", is consciously put the individual into the cause of the party and the people, the individual obey the whole, obey the organization, loyal to duty, work conscientiously, do a line of love, and serve the people wholeheartedly the spirit of.

Q:how to use Motor washer: Halo, brother, your question also detailed ah, there are a lot of places on a motor washer ah, do you mean where ah, you have to iron or plastic washers, spring washers, I think it is the plastic washer, mainly plastic washer 1 are leak proof, waterproof, anti oil,... 2 insulation, high pressure resistance, 3, vibration reduction, 4, reduce wear, basically on these several functions

Q:Our company to purchase a number of fasteners to see when the CAD drawings in the technical requirements I do not know the specific to write those content: Fasteners are generally standard parts, have national standards (except for special requirements)

Q:What is the difference between Chinese-made screws and US screws?: China-made screws are metric, American screws are American Standard or British

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