Basic Info.
Standard
DIN, DIN/ISO/ANSI/BS
Surface Treatment
Plain,Black Finished,Zinc Plated(Galv)
Package
Small Box Packed and Bulk Packed Are Available
Transport Package
Customized
Product Description
Parameter information Standard | DIN, BS, ANSI, JIS, GB and so on |
Head Type | Flat Head, Pan Head, Countersunk Head, Round Cone Head, Hex Head, Round with Washer Head, Pan with Washer Head and so on, as custom |
Raw Material | 1, Carbon Steel: C1008, C1010, C1022,35K, 45K, 10B21 |
2, Aluminum |
3, Stainless Steel: SS201, SS301, SS303, SS304, SS316, SS416, SS420 |
4, Brass:C36000, C37700, C38500, C27200, C28000.... |
5, Copper |
Surface finish | Zinc Plated, Ni Plated, Brass Plated |
Tin Plated, Black Plated, Copper Plated. |
Gold Plated, Salt fog test, |
Shank Diameter | M2mm-M18mm |
Heat Treatment | Heat treatment with the material, and heat treatment with the product or carbonation |
Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing |
Certifications | ISO9001,ROHS,SGS |
Sample Availability | Samples are available. |
Product display
Production process
Certifications
Company information
We can manufacture screws of various head types and groove shapes, which are #3-#14 in diameter and 10-300 mm in length.We are also capable of providing various surface surface treatment processes, including white zinc plating, blue zinc plating, yellow zinc plating, black zinc plating, black/gray phosphorating, nickel plating, DacroMat, Magni and so on. We can process carbon steel and stainless steel. Based on the drawings or samples provided by customers, we can design and manufacture non-standard screws.Package Design
Package&Delivery
FAQ:1.Do you inspect the raw material?
Each batch of materials is carefully tested by inspector on apperance, raw material defects, wire drawing size etc. and the testing result is filed in computer. All the checmical composition as well as material warranty documents of raw materials is spot checked.
2.Do you inspect the goods during the production?
Inspector test each process according to the order and the corresponding product standard, each process has corresponding operation instruction. All the test result is filed in the corresponding computer daily. Mechanical properties are filed in paper documents.
3.How do you control each batch goods?
Statistician keep recording and filing all batch of the incoming products, noted with contract No., model, size, quantity, weight, surface color etc.
4.Will you ship the unqualified goods?
Concerning to abnormal occurrence or unqualified products: Unqualified products processing sheet is reported to QC dept. by inspector. The reworking will be done after QC workers come up with solutions and suggestions.
5.How do you manage your files?
All the documents or customer orders is given out by designated personnel. The drawings and exterior documents are given out and recorded by QC department.
6.Can we get the inspection certificate?
A Unified test report presented by specific worker is delivered together with the finished products.
7.How do you keep your testing equipment?
a. Heavy testing equipments: tensile machine, charpy impact tester; hardness tester; thread check gauge, plug gauge, vernier caliper, micrometer, pitch diameter micrometer, dial caliper, digimatic caliper etc. are all sent to be tested and adjusted in qualified professional company for once annually.
b. Ring guage is tested and adjusted by proof-reader in company monthly; hardness tester is only applied after the testing by on-duty inspectors each day.
8.What's the shipping process?
a. For LCL cargos, we arrange reliable logistics company to drive them to the forwarder agent's warehouse.
b. For FLC cargos, the container directly go to the Factory loading. Our professional loading workers, accompanied with our forklift workers arrange the loading in good order even on the condition that daily loading capacity is overloaded.
c. Our professional data management is a guarantee of the real-time update and the unification to all the electrical packing list, invoice.
Address:
No. 7 of Shuhong Road, Electronic Information Industrial Park, Chengyang District, Qingdao, Shandong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Industrial Equipment & Components
Company Introduction:
Qingdao Harvest Industrial & Trading Co., Ltd established in 2012, is mainly devoted in the design, production, and sales of high quality fasteners, such as the standard and non-standard cold forming bolts, screws, nuts, as well as the CNC parts. To guarantee the high quality, the fty imported over 500 sets of cold forming machines, CNC machines, Stamping machines and the inspecition equipments from Japan, Switzerland, American and Taiwan etc. The fty has also passed the ISO9001 and TS16949 audit. With strict quality control, competitive price, and professional service, we provide one-stop solutions to our customers in and abroad, and win good raputations from our partners.