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Chicago screws
Also known as Sex bolt,Male and Female Screw,book binding screw.Due to their overwhelming versatility, Chicago Screws make a great fit for most DIY projects. These binding screws are crucial for many people in the medical, food, and entertainment industries. Originally created and used within the bookbinding industry, the adaptability and usefulness of these screws has greatly increased their popularity.
Our company offers Chicago screws in various colors, shapes and sizes.welcome to customized.
More Detail Informations | |
Available Material |
1.Stainless Steel: SS303, SS304, SS316, SS410, SS420; 2.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045; 3.Brass: C3602,C3604,Hpb59,Hpb62,Hpb65,Hpb58,Hpb70 ; 4.Aluminum: Al6061, Al6063 etc or as your requirements |
Size | M2~M12 or custom Made |
Head type | CSK Head,Pan Head,Truss Head,Hexagon Head,Round Head,Oval Head,Button Head,Cap Head,Cheese Head,etc. |
Hardness |
Carbon Steel:HRC:28~35 ,HV450~700 Alloy Steel:HRC:32~39(grade10.9) HRC:39~44(grade12.9) |
Heat Treatment | Tempering,Hardening,Spheroidizing,Stress Relieving. |
Finish | Zinc plated, Nickel plated, Bronze, Copper,Phosphate, Oxidation black, Passivation, Tin, Dacromet, Gold, Chrome, Silver, Phosphorization,Zinc-nickel alloy plated etc. |
Standard | ISO,GB,DIN,JIS,ANSI/ASME,BSW,Non-standard. or base on the Drawings or Samples |
Sample Available | The sample is free of charge if we have the existing tooling,you only need to pay for the freight cost |
MOQ | 1000 pcs |
Sample time | Samples time 3-5 working days, Lead time 15-20 working days |
Pricing Term | EXW Dongguan(FCA),FOB, CIF, CNF, DDU,etc. |
Packing | Bulk in PE bag or Small boxes.then in carton .pallet |
Port of Loading | Guangzhou or Shenzhen |
Payment term | TT (30% in advance as deposit, balance before delivery) , L/C, Western Union,PayPal etc |
Service | Customized size offered , OEM service |
Management system | ISO9001:2015 |
Certificate | ISO.SGS,ROHS |
Founded in 2001,Dongguan ZhongGu Metal Co.,Ltd is an ISO 9001:2015 manufacturer.We have more than 16 years of production experience in the production of fasteners.We not only have new imported prodution equipment and spacious storage space,but also have a group of experienced workers and professional engineering R & D team.Therefore, our company has enough strength to meet the needs of customers.
We are an ISO 9001: 2015 Certifed supplier, strictly execute inspection on ISO quality control system. All our products will pass 10-step inspections: it starts from incoming material inspection to IPQC, then FQC and final inspection with reports before shipment.
Q1: Are you trading company or manufacturer? What is your main products and material supply?
A1: We are manufacturer. Our main products are Chicago screws, Sems screws, Tapping screws, Electronic screws, Shoulder screws etc. Special Non-standard studs,Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy,Stainless Steel, Brass, Copper ,Titanium alloy or according to your requirement.
Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours.Any urgent cases, please contact us directly by phone or send email to us.
Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg,Normally we use shipment to transprot the orders. It is about 20-30days . If the weight of goods less than 80kg,or there are urgent, we can send the goods via air express,It is 3~5 days.
Q4: What's your packing?What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.
Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.
Q6: Do you have enough capacity?
A: Our production equipment is a new imported equipment. We have a group of skilled workers who have been working for more than 10 years. Their production experience is very rich and their skills are very skilled. The screws can be 30 million pcs/month. We have sufficient funds to ensure the normal operation of the factory.