Basic Info.
Model NO.
screw
Grade
12.9
Surface Treatment
Can Be Customized
Size
M1-M8
MOQ
10000 PCS
Length
10-180mm (3/8- 7)
Thread
Can Be Customized
Drive Type
Can Be Customized
Packing
Cartons+Plastic Bags
Head Type
Can Be Customized
Test
RoHS/Reach
Certification
ISO9001/ISO14001/IATF16949
Transport Package
Cartons+Plastic Bags
Specification
M1-M8
Trademark
YUHUANG
Origin
China
HS Code
6307900090
Production Capacity
1000000pieces/Day
Product Description
Product description 
Fastener production customization
We Specializing in the development and production of screws, automatic turns, shafts and special-shaped fasteners. Our metal fasteners are widely used in mobile phones, computers, printers, household appliances, telecommunications, computer imaging equipment, etc
We Specializing in the development and production of screws, automatic turns, shafts and special-shaped fasteners. Our metal fasteners are widely used in mobile phones, computers, printers, household appliances, telecommunications, computer imaging equipment, etc
Production Details
| Availlable Material | 1.Stainless Steel: SS201, SS202,SS302,SS303, SS304, SS316, SS410, SS420,SS430,etc. |
| 2,Steel:C45(K1045), C46(K1046),C20,etc. | |
| 3.Brass or brass alloy:H63(CuZn37,C2720);H65(CuZn36,C2700);H68(CuZn33); | |
| H70(CuZn30,C2600);H90(CuZn10,C2200),etc | |
| 4. Bronze: C51000, C52100, C54400, etc. | |
| 5.Iron: 1213, 12L14,1215,etc. | |
| 6.Aluminum or aluminum alloy: Al6061, Al6063, etc. | |
| 7,Carbon steel : C1006,C1008,C1010,C1016A,C1018A,C1022,C1035K,C1045K,etc. | |
| 8, Titanium and Titanium alloy : TAD,TA1-TA8,TB2,TC1-TC10,etc. | |
| 9,Silver and Silver alloy:AgCu3,AgCu7.5,AgSn3~5,AgPb0.4~0.7,AgPd3~5,AgNi10,etc. | |
| 10,Alloy steel : SCM435,10B21,40Cr,etc. | |
| Grade | 4.8 6.8 8.8 10.9 12.9 or Grade4,grade 5, grade 8, |
| Specification | M0.8-M12 or 0#-1/2" and we also produce according to customer's requirement |
| Surface Finishing | Zn- Plated,Ni-plated,Passivated,Tin-plated,Sandblast and Anodize, |
| Chromate, Polish,Electro Painting,furnace Black, Black Anodize,Plain,Chrome plated, | |
| Hot Deep Galvanize(H. D. G. ) etc. |
Screw type
Company Introduction
Customer & Feedback
Production process
Quality inspection
| # | Process Name | Checking Items | Detection frequency | Inspection Tools/Equipments |
| 1 | IQC | Check raw material: Dimension, Ingredient, RoHS | Caliper, Micrometer, XRF spectrometer | |
| 2 | Heading | Outward appearance, Dimension | First parts inspection: 5pcs each time Regular inspection: Dimension -- 10pcs/2hours; Outward appearance -- 100pcs/2hours | Caliper, Micrometer, Projector, Visual |
| 3 | Threading | Outward appearance, Dimension, Thread | First parts inspection: 5pcs each time Regular inspection: Dimension -- 10pcs/2hours; Outward appearance -- 100pcs/2hours | Caliper, Micrometer, Projector, Visual, Ring gauge |
| 4 | Heat treatment | Hardness, Torque | 10pcs each time | Hardness Tester |
| 5 | Plating | Outward appearance, Dimension, Function | MIL-STD-105E Normal and strict single sampling plan | Caliper, Micrometer, Projector, Ring gauge |
| 6 | Full Inspection | Outward appearance, Dimension, Function | Roller machine, CCD, Manual | |
| 7 | Packing&Shipment | Packing, Labels, Quantity, Reports | MIL-STD-105E Normal and strict single sampling plan | Caliper, Micrometer, Projector, Visual, Ring gauge |
Packaging & delivery
FAQ
A: We are factory. we have more than 20 years experience of fasteneral making in China.
Q: What is your terms of payment ?
A: For the first cooperation, we can do 20- 30% deposit in advance by T/T, Paypal,Western Union,Money gram and Check in cash, the balance paid against the copy of waybill or B/L.
B, After cooperated business, we can do 30 -60 days AMS for support customer business.
Q: Do you provide samples ? is it free or extra ?
A: Yes, if we had stock the available goods or have available toolings, we could offer the sample for free charge within 3 days ,but do not pay the cost of freight.
B, Yes, if the products is custom maked for my company, I will charge the tooling charges and supply the samples for customer approval within 15 working days, My company will bear shipping charges for smaller samples.
Q: How long is your delivery time?
A: Generally it is 3-5 working days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: What is yr price terms ?
A, For the smaller order quantity , Our price terms is EXw, but we will do my best to help client to shipment or supply the cheapest transport cost for customer reference.
B, For the large order quantity , we can do FOB & FCA,CNF & CFR & CIF,DDU & DDP etcs.
Q: What is yr transport method ?
A, For the samples shipment, we use DHL,Fedex,TNT,UPS,Post and other courier for samples shipment.
B, For the massive orders, Usually, we use Sea,air, rail and others shipment or as customer shipment's request.
Q: What is yr company URL
A, For the Alibaba, we have two website for export.
http://9615729b8d087bb1.en.made-in-china.com and http://9615729b8d087bb1.en.made-in-china.com