China Manufacturer High Quality DIN7981 Cross Recessed Pan Head Tapping Screws

China Manufacturer High Quality DIN7981 Cross Recessed Pan Head Tapping Screws

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1000 pc

Supply Capability:: 5000000 pc/month

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Cross Recessed Pan Head Screw with Black Finish Competitive Price

Fasteners: Thread Forming Phillips' Head Screws

Fasteners: T-Head Bolt & 316 Wing Screws

Din7982 Cross Recessed Countersunk Head Stainless Steel Tapping Screw

Specification

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

1,Specification

Standard	GB, DIN, ISO, ANSI, ASME, IFI, JIS,BSW,AS,Q,HJ,
Size	According to your request
Materials	1,Stainless Steel: SUS201,SUS302,SUS303, SUS304, SUS316, SUS410, SUS430 2,CarbonSteel:C1006,C1008,C1010,C1018,C1022,C10B21,C10B33,C1035,C1045, C435#,40CrMo,42CrMo 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 8,Iron:1213,12L14,1215,ect
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
Report	SGS,ROHS,
Trade terms	EXW, FOB,CIF,CFR
Packing	Packing: Poly bag, Small box, Plastic box, Carton, Pallet 25kgs/ carton, 36 cartons/ pallet. Carton dimension: 39cm28cm13.5cmpallet dimension: 100cm100cm80according 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	SGS,ROHS, 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

Quality Certification

SGS,ROHS,

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
Employee	80-100 people
Equipment	50 sets

China Manufacturer High Quality DIN7981 Cross Recessed Pan Head Tapping Screws

Q: What is the meaning of the screw and the 4 and 8?: Screw should be written on the 4.8 bar, 4.8 on behalf of the strength level

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 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: What is a screw? What is a nail? What is the concept? What is the difference!: Screws, screws luódīng, luósīdīng [Screw] Small cylindrical or conical metal rods with threaded parts, with a slotted or with a concave head, the use of machine nails alone? What machine nail Oh? How have I ever heard of it?

Q: I would like to know the specifications of the two types of screws models, including length, diameter, diameter and pitch, etc.: The specific need to check their own standard parts manual to judge

Q: M4.8 * 25 What does it mean in screw size?: No meaning that there is no one of the most close to the national standard is, M5 * 25 For example, GB70.1, M5 × 25 hexagon socket head cap screws

Q: Was rusty rust, the screwdriver are turning how to do, is a very important thing: Drop a few drops of oil or gently knock around a few times, to the rusty screw drops (to bubble better) gasoline or kerosene, washing the use of oxalic acid also

Q: Very urgent, please help a lot. I do not have any advanced tools, only the screwdriver or something: Use a 502 glue to stick the screwdriver above it and then twist it down

Q: Inside the hexagonal screws, rather not down, it may be too much screw on the screw too tight has been bad 3 screwdriver screw is too small also one-half of rice grain please help think about ways: T-shaped irons and screws, you can twist it off

Q: Engineering argument, usually referred to as the M3 screw, M refers to what is the meaning? The Please instruct the engineering staff.: M is the large diameter of the screw, the diameter of the screw top of the bolt, or the diameter of the screw bottom of the nut

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