Screws are typically referred to as wood screws, featuring a pointed tip and larger pitch, commonly used for fastening wooden or plastic parts. Mechanical screws, on the other hand, have a finer and uniform pitch, designed for securing metal or mechanical components. Our products are of high quality and offer long-lasting performance. Our company has obtained ISO 9001 and CQC certifications, ensuring product quality and reliability.
Application areas include:
1. Stainless steel plates, metal plates, galvanized steel plates, and engineering installations.
2. Metal curtain walls, light compartments, and indoor/outdoor installations.
3. General angle steel, channel steel, iron plates, and other metal materials.
4. Car trunks, container boxes, shipbuilding, and refrigeration equipment.
5. Automobile engines, heavy machinery, garden equipment, and petrochemicals.
6. Aerospace, energy, machinery, chemicals, military, metallurgy, molds, and hydraulics.
7. Motorcycles, sports equipment, cars, and various industries.
8. Electronics, electrical appliances, motors, lighting, communications, home appliances, and furniture.
| Brand name | CHANGCHUN | Model | CC-042 | Type | Machine Screw |
| Head Type | Fillister | Groove type | Cross | Screw diameter | 8mm |
| Screw Length | 105mm | Application | Hand twist | Screw size | M12 |
| Thread tolerance | 6G | Nominal length | 110mm | Surface | Galvanized |
| Material grade | Carbon steel 45H | Product grade | A | Standard type | National |
| Standard number | GB-CC-042 | Customized | Yes | Specification | CC-042 |
| Material | heat treatment |
Via Ocean shipping
North America, South America: about 40 working days
Eastern Europe: about 30-40 working days
Southeast Asia: about 20-30 working days
Africa: about 35-45 working days
India, Pakistan: about 40 working days
Korea, Japan: about 40 working days
Air transport
Other places: around 1-3 business days
Packaging: boxes, cartons, or plastic bags, or according to customer needs.
Sample service
If you need a sample, you will be required to pay the freight.
Customer Service
· 1. No question refund within 3 days.
· 2. Well-trained and experienced staff available.
· 3. Short lead time.
· 4. International standards matched.
· 5. Non-standard, standard, OEM, ODM, and customized services available.
· 6. Small quantities available.
· 7. Designed according to customer requirements.
· 8. Packed and delivered per customer's request.
If you have any questions or demands, please feel free to contact us!
TEL:+86-0562-668-1767
Our Factory
GB/T 65-2000Â Â Â Â Â Â Â Â Â Â
GB/T 67-2000
GB/T 68-2000
GB/T 69-2000
GB/T 70.1-200
 GB/T 70.2-2000
 GB/T 70.3-2000
 GB 71-85
 GB-72-88
 GB-73-85
 GB-74-85
 GB-75-85
 GB/T 77-2000
 GB/T 78-2000
 GB/T 79-2000
 GB/T 80-2000
 GB 83-88
 GB 84-88
 GB 85-88
 GB 86-88
 GB/T 818-2000
 GB 838-88
 GB 839-88
 GB 840-88
 GB 946-88
 GB 947-88
 GB 948-88
 GB 949-88 Â
 GB 2672-86
 GB 2673-86             Â
 GB 2674-86
 GB 5281-86   Â
GB/T 820-2000
GB/T 821-88
 GB/T 822-2000
 GB 823-88
 GB 825-88
 GB 828-88
 GB 829-88
 GB 830-88
 GB 831-88
 GB 832-88
 GB 833-88
 GB 834-88
 GB 835-88
 GB 836-88
GB 13-88
GB 14-1998
GB 15-88
GB 29.2-88
GB 35-88
GB 37-88
GB /T794-93
GB 798-88
GB 799-88
GB 800-88
DIN 125-A Â GB 971-85
DIN 125-B Â GB97.2-85
DIN127-A Â Â GB7244
DIN 127-B Â GB93-87
DIN 912 Â Â GB70-85
DIN933 Â Â GB-5783-86
DIN931 Â Â GB5782-86
DIN934 Â Â GB6170-86
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SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfahsd.com