Din7982 Cross Recessed Countersunk Head Stainless Steel Tapping Screw

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500 pc
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5000000 pc/month

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Item specifice:

Material: Carbon Steel,Stainless Steel Standard: ANSI,BS,DIN,GB,ISO,JIS Power Supply: AC Power,DC Power,Gasoline,Diesel
Customized: Customized,Non-Customized Surface Treatment: Polishing,Zinc Plated,Nickel Plated,Copper Plated,Chrome Plated

Product Description:



GB, DIN, ISO, ANSI, ASME, IFI, JIS,BSW,AS,Q,HJ,                


According to your request                 


1,Stainless Steel: SUS201,SUS302,SUS303, SUS304, SUS316, SUS410, SUS430                



3,Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)                

4,Bronze: C51000, C52100, C54400, etc                

5,Aluminum: Al6061, Al6063 etc                

Aluminum Alloy: Al6061, Al6063 etc                

6,Titanium and Titanium Alloy: TAD,TA1-TA8,TB2,TC1-TC10                

7,Alloy steel: SCM435,C10B21,C10B33                


Surface treatment                

  • Bronze,Bronzy,red bronze, Chrome plate,color painted ,Nylok,ruspert,Magni,,Absorber Oil,Hardened,phosphate(black, Gray),Black,Zinc Plated,(green,black, white , blue , Yellow ,ROHS), Rainbow ,Plain, Nickel(black,white),Electrophoresis, Dacromet,

2:Business terms                



Trade terms                

EXW, FOB,CIF,CFR                


Packing: Poly bag, Small box, Plastic box, Carton, Pallet 25kgs/ carton, 36 cartons/ pallet. Carton dimension: 39cm*28cm*13.5cmpallet dimension: 100cm*100cm*80according to the customer’s requirement                

Payment terms                

TT 30% deposit in advance, 70% Balance Before shipment,                

100% LC at sight,Western Union.                 

 Ali- pay                

Sample terms                

Sample free offered if available in stock,otherwise there will be sample charge                

3. Quality control systems

Quality Certification                


ISO9001:2008, ISO14001:2004                

quality system                

100% of full line testing system, keep with the international standard                

Inspection equipment                

Caliper, Microcline, Torsion meter, Salt atmosphere testing machine, Ring gauge, General gage, sclerometer, Projector, die gage, image screening instrument                

4. Company general impression 


Company cover                

5000 square meter                


80-100 people                


50 sets                

Din7982 Cross Recessed Countersunk Head Stainless Steel Tapping Screw

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Q:Why the screw thread more closely, spin into the more effort?
Screw thread more dense, indicating the screw thread deep and shallow, the screw in the advance the resistance of the smaller, when the spin naturally more effort.
Q:What is the difference between Chinese-made screws and US screws?
China and the United States have their own industrial standards. If the United States to get the screws to use China must use it to support the tools.
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:Screw production process is how the kind of
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 is the meaning of the screw and the 4 and 8?
He means that the tensile strength of the screw minimum 400MPa, the minimum yield strength of 320MPa (tensile strength of 80%). Please refer to the national standard GB3098.1 or ISO international standard ISO898-1 the requirements.
Q:How is the screw produced
There are three types of technology: cold heading, red, turning; rolling teeth generally have four kinds of technology: rubbing teeth, rolling wire, teeth, car teeth; but our screw industry is the most common Is the beginning of the cold heading, the machine rubbing teeth, so that large output, low cost
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:Screw M is mechanical teeth, tapping is what?
Screw M is the outer diameter of the meaning, such as M5 screws, that is, the outer diameter (maximum thread diameter) of 5 mm screws
Q:What way to screw a small screw
Buy a set of gadgets, a few dollars. Or to repair the master of the watch that borrow (generally do not borrow).
Q:How to remove when the screw is not threaded
Pistol drill drill from the back of the screw, do not drill too far

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