DIN912 Hexagon Socket Cap Screw M2.5-M20

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Product Description

Product Name	DIN912 Hexagon Socket Cap Screw M2.5-M20
Material	Carbon Steel, Stainless Steel 201/ 304/ 316 or others.
Size	M2.5--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
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：

DIN912 Hexagon Socket Cap Screw M2.5-M20

Q: How to use washer, gasket, o-ring ": Different purposes, the installation position and the corresponding flange are different, if this is how to choose, advantages and disadvantages, too much information

Q: What are the advantages and disadvantages of car audio modification, wood washer and plastic washer?: One prevents resonance and one causes resonance! Better wood washer!

Q: A tightened screwdriver has been damaged, that is, the cross into a round mouth, and now I need to get it out for a new one, is there any way to take it out?: Screw nail head in the outside with a saw saw a word and then a word screwdriver out ,,, in the inside, with a drill to him to drill

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: how to Flat washer installation: Light up, ********************** of no great importanceWashers are made of thin iron sheets, and that kind of iron is a positive one for beauty. So it is also reflected in the gasket is a beautiful problem. The friction on the other side of the lighter side will be larger. When the screw is rotated to the end, the washer will not rotate, and it will not scratch the contact surface below the washer.

Q: Why should the screw twist clockwise?: Clockwise tightening of the screw is called orthodontic screw, counterclockwise tightening of the screw called anti-screw or left teeth screws, the general international are clockwise orthodontic screws, in a particular case will use the left teeth Screws, such as the need to fix the fan impeller, are left teeth

Q: How is the screw nailed to the wall: Use a hammer to make a hole in the wall, and then plug a plastic expansion tube, the last screw.

Q: How did the screw twist?: after the drill with the drill cap will be destroyed. The use of the principle of anti-silk will be the remaining screw drilled (you can use a broken screw-specific drill bit - broken screw out of the device)

Q: What is the size of the screw for the wall power switch installation: Concealed switch generally M5 × 30 semi-round head screws, you can also use M4 × 30 tapping screws. Ming installed switch is used M5 expansion with M5's self-tapping screws.

Q: How to remove the broken screw?: Drill a properly sized hole on the jumper screw, insert a pyramid or change it into a reverse thread, and screw the screw in the reverse thread and then unscrew the screw in the usual way.

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