Fasteners: Thread Forming Screws with Different Length

Fasteners: Thread Forming Screws with Different Length

Ref Price:

Loading Port:: Ningbo

Payment Terms:: TT OR LC

Min Order Qty:: 100000 pc

Supply Capability:: 10000000 pc/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Quick Details

Place of Origin: Zhejiang, China (Mainland)
Brand Name: CMAX

Packaging & Delivery

Packaging Details:	box,carton,pallet
Delivery Detail:	30days or advance

Specifications

Thread forming screws

Material:Steel or stainless steel
According to drawing

1,Products Detailes
Products	bolt,screw,nut,washer,pin,rivet and non-standard fastener
Size	Standard and Non-standard according to drawing or samples
Machines	auto pressing machines, automatic heading machine, cold header high-precision surface grinder machine, involantary grinder machines,Digital Micro Vickers Hardness tester, Electrolytic metrical thickness gauge, Vision Measuring Machine,Fischer Scope X-ray Thickness Gauge and so on
Material	1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
	2,Steel:C45(K1045), C46(K1046),C20
	3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58),
	C27200CuZn37), C28000(CuZn40)
	4.Bronze: C51000, C52100, C54400, etc
	5.Iron: 1213, 12L14,1215
	6.Aluminum: Al6061, Al6063 etc
	7,.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045
	8, Alloy steel: SCM435,10B21
Surface Finishing	Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize,Chromate, Polish,Electro Painting,Black Anodize,Plain,Chrome plated,Hot Deep Galvanize(H. D. G. ) etc.

Heat Treatment	Tempering,Hardening,Spheroidizing,Stress Relieving.

Standard	ISO,GB,DIN,JIS,ANSI,BSW

Manufacture Process	Heading/washer assembly/Threading/Secondary machine/heat treatment/plating/Anti-slipping/Baking/QA/Package/Shipping

Sample	we can supply the samples for free,if the samples we have in stock

Lead time	10-15 working days as usual,It will based on the detailed order quantity.

Carton size	362416 CM &362412 CM
Pallet size	11010090 CM
Warranty	we confirm our goods will satisfy your request of 100%


After sales service	we will follow up goods for every customer and help solve problem after sales.

Q: Screw hole slip wire how to do?: In the screwdriver head pad things such as double-sided adhesive, non-woven fabrics, etc. If there is no condition, then the paper can also

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: The mirror under the mirror put the toilet glass is broken, the original screw rust deformation, and pulled out. How to rust the screw: That you can break before and after some of the expansion do not drip the oil or else you use the pliers light slippery when there is an empty time with a word screwdriver to feel almost when the pliers can be used

Q: Why a screwdriver can suck the screw: Because the top of the screwdriver with magnetic junior high school there

Q: There are some screws, is installed in the electrical, power, electronic products on the material, ask how to correctly install the screws?: Expansion screw installation method to expand the screw on the ground or wall holes in the hole, with a wrench to tighten the nuts on the expansion bolts, bolts to go out, while the outside of the metal sleeve is not moving, so the bolt under the bulk of the metal Set up to keep it full of holes, this time, the expansion of the bolt on the expansion of the expansion screw is to make the duct support, hanging, bracket fixed to the wall, the floor, the column used in a special thread connection Pieces. Consists of countersunk head bolts, expansion tubes, flat washers, spring mats and hex nuts. When used, you must first use the impact of electric drill (hammer) in the fixed body on the corresponding size of the hole, then the bolt, expansion tube into the hole, tighten the nut to bolts, expansion tube, the installation and expansion between the fixed body Tight into one. Expansion of the expansion of the principle of expansion of screws is to use the pull out of the slope to promote the expansion of friction caused by clamping force, to achieve a fixed effect. Screw head is a thread, a vertebral. Outside the package of a metal, metal cylinder half of a number of incision, put them together thrown into the hole in the wall, and then lock the nut, Luo mother pull out the screw, the vertebral pull into the metal cylinder, metal cylinder was Open up, so tightly fixed on the wall, generally used for fence, rain Peng, air conditioning and other cement, brick and other materials on the fastening. But its fixation is not very reliable, if the load has a greater vibration, may be loose, it is not recommended for the installation of ceiling fans and so on.

Q: Also known as screw nails, I want to nail on the board, but there is no way to nail into the hard, how nail?: Wood must use a self-tapping screwdriver, if it is a common machine above the screws can not be nailed to the board above, if the wood is relatively hard, it is recommended to use a drill above the board to play a smaller hole than the self- , So more effort

Q: Why are the screws of the screw?: Fine thread thread pitch is small, the angle is small, self-locking is better, high strength, because the teeth are not wearable, easy to slip. Fine thread is often used in fine parts, thin-walled pipe fittings or by the impact, vibration and variable load connection, can also be used as fine-tuning mechanism for adjusting the thread.

Q: What is the invention of the screw?: Hello hello as early as 2000 years ago appeared, but it will be used for fixed objects to be delayed until about 500 years ago. The first person who describes the spiral is the famous ancient Greek scientist Archimedes, which uses a wooden bucket to make a spiral object used to extract water from one plane to another plane for irrigation. By the middle of the Middle Ages, craftsmen used wood nails or metal nails to connect the wood structure of the building. This should be the real predecessor of the screw. In the 16th century, people began to produce spiral nails. And to the 18th world, people began a large-scale production of fastening objects with a screw nail. The afternoon is helpful to you

Q: This screw ye use, and how to use next to the cover: This is also the expansion screw. First make a hole, put the plastic into, and then on the top of the screw

Q: I am a trainee apprentice, recently encountered a problem, that is, some screws are screwdriver screwdriver or hexagon turned no thread. Can not buckle, only in the inside idle. What is the general use of this situation to open it? Thank you, more urgent.: Drill holes, with a solid hard material grinding a screwdriver, it is embedded in the hole, so just back the thread. If the hole is too small can not drill, put the screw directly drill with a drill hole drill, drill bit and screw bottom hole the same size, and then attack the thread under the wire. It is not possible to change the number one thread.

Send your message to us

*Email

*TEL

*Quantity

*Unit