Fasteners: Thread Forming Screws with Different Length

Fasteners: Thread Forming Screws with Different Length

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Loading Port:: Ningbo

Payment Terms:: TT OR LC

Min Order Qty:: 100000 pc

Supply Capability:: 10000000 pc/month

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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: Why the screw thread more closely, spin into the more effort?: This is due to the spiral angle of the thread becomes smaller, the pitch of the thread, the lead becomes smaller.

Q: What is the meaning of the 8.8 on the screw: 4.8 and 8.8 refer to the performance level of the bolt. Other bolt headers are 10.9 and 12.9. The higher the level, the better the performance of both bolts. 4.8 is defined as: 4 represents 4 * 100 = 400MPa, refers to the tensile strength of bolts 400MPa, .8 for the yield ratio of 0.8, the nominal yield strength of 400 × 0.8 = 320MPa 8.8 grade bolts performance: tensile strength = 800MPa, yield strength = 800 * 0.8 = 640MPa

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: I'm talking about another thing: Handsome, please express what you mean "another meaning" What does the meaning of the screw seems to have the following meaning, please brother reference 1. true screw 2. eat the kind, such as fried screw 3. kiss

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: Screw M is mechanical teeth, tapping is what?: Screw M is the size of the screw, can not use the nominal judge whether the screw is a mechanical screw or self-tapping screws. Metric tapping screws are marked directly above the name Tapping Type.

Q: Was rusty rust, the screwdriver are turning how to do, is a very important thing: Red: some of the top of the device screw corrosion to take shape, can not use wrenches, wire clamp discharge, both the impact method. First with a hammer and through the top of the cone in the vertical direction of the screw impact of a v-shaped groove. Then, adjust the chuck angle, along the direction of the screw out of the impact, see Figure 2. To be loose, you can use the wire clamp to screw out the screw. "A" or "ten" when the screw slide, you can also use this method, combined with the wire clamp screw out the screw.

Q: This screw ye use, and how to use next to the cover: This requires the use of professional mechanical drilling machine, and then use the reaming machine to the plastic nail into the hole, and finally twisted into the nail on the line

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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