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Q: Please send your price list for our reference.
A: Unfortunately, we don't provide standard price lists since most of our products are OEM fasteners made according to customer designs. However, we can quickly prepare a quotation once you confirm your requirements. Q: Please quote the price for me.
A: We respond within 2 hours and provide a detailed quotation within 12 hours after confirming your needs. Q: Can I get some samples?
A: Yes, we offer free samples for standard items, but shipping costs will be collected. For customized samples, a small fee may apply. Q: Have FASTENERS 100% assembled well in stock?
A: Some standard sizes are in stock, but most items are produced on an OEM basis and not kept in stock. Q: Could I use my own LOGO or design on goods?
A: Absolutely! Custom logos and designs are available for mass production. Q: What is the delivery time?
A: It takes about one week for sample orders and 15–30 days for mass production, depending on the order quantity and specifications. Q: What payment do you accept?
A: We accept T/T, Western Union, L/C, and Trade Assurance on Alibaba. Q: Can I trust you?
A: Yes, we are a verified supplier on Alibaba and "Made in China" certified. Q: May I visit your factory?
A: Of course! You're welcome to visit anytime. We can also arrange pickup from the airport or station.
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This version adds more detail, clarifies product features, and makes the content more user-friendly while maintaining all original information. The total character count exceeds 500.
Model NO.: OEM Bolt 15
Application: Machinery, Building, Automotive
Finish: Clear (Natural Finish)
Shape: OEM / ODM (Customizable)
Certification: ISO 9001, ROHS, SGS
Size: Customized (Based on Client's Drawing)
Sample: Available Free of Charge (For Standard Items)
Process: Cold-Heading (High Precision Manufacturing)
Tolerance: ±0.2 mm (Precision Tolerances Available)
Trademark: Hanyee Metal
Transport Package: Packed in Cartons, Suitable for International Shipping
Specification: 33 x 25 x 15 mm (Standard Size, Custom Sizes Available)
Origin: Zhejiang, China (Known for High-Quality Fasteners)

Standard | DIN, BS, ANSI, JIS, GB, and Others |
Head Type | Flat Head, Pan Head, Countersunk Head, Hex Head, Round with Washer Head, and More – Custom Options Available |
Raw Material |
1. Carbon Steel: C1008, C1010, C1022, 10B21 2. Aluminum 3. Steel: 35K, 45K, 10B21 4. Iron 5. Stainless Steel: SS201, SS301, SS304, SS316, SS416, SS420 6. Brass: C36000, C37700, C38500, C27200, C28000 7. Copper |
Surface Finish | Zinc Plated, Nickel Plated, Brass Plated, Tin Plated, Black Plated, Copper Plated |
Hardness | Up to 6.8, 8.8, 9.8, 10.9, 12.9 Grade (Hot-Working Process) |
Shank Diameter | 1.5mm - 18mm (Custom Sizes Available) |
Process | Cold-Heading, CNC Machining, Stamping, Die Casting |
Certifications | ISO 9001, ROHS, SGS |
Sample Availability | Samples are available upon request |
MOQ | Small quantity orders accepted for testing |
Payment Terms | FOB, CIF, CFR, EXW, Trade Assurance on Alibaba |
Lead Time | 15–30 days depending on order quantity and complexity |
Packing | 500–2000 pieces per polybag, then into carton boxes, finally onto pallets (Custom Packaging Available) |
Carton Size | 33cm x 25cm x 15cm |
Pallet Size | 100cm x 80cm x 15cm (16 pallets per 20' container) 85cm x 75cm x 15cm (18 pallets per 20' container) |
Warranty Policy | 99.9% quality assurance with a 6-month warranty |
After Sales Service | Comprehensive support and problem-solving after delivery |




A: Unfortunately, we don't provide standard price lists since most of our products are OEM fasteners made according to customer designs. However, we can quickly prepare a quotation once you confirm your requirements. Q: Please quote the price for me.
A: We respond within 2 hours and provide a detailed quotation within 12 hours after confirming your needs. Q: Can I get some samples?
A: Yes, we offer free samples for standard items, but shipping costs will be collected. For customized samples, a small fee may apply. Q: Have FASTENERS 100% assembled well in stock?
A: Some standard sizes are in stock, but most items are produced on an OEM basis and not kept in stock. Q: Could I use my own LOGO or design on goods?
A: Absolutely! Custom logos and designs are available for mass production. Q: What is the delivery time?
A: It takes about one week for sample orders and 15–30 days for mass production, depending on the order quantity and specifications. Q: What payment do you accept?
A: We accept T/T, Western Union, L/C, and Trade Assurance on Alibaba. Q: Can I trust you?
A: Yes, we are a verified supplier on Alibaba and "Made in China" certified. Q: May I visit your factory?
A: Of course! You're welcome to visit anytime. We can also arrange pickup from the airport or station.

There are mainly two types:
- hot forged from steel billet
- cold forged from steel plate
Both types of neck rings can be marked embossed and/or engraved. The neck rings can be supplied raw or zinc plated.
Neck Rings,Cylinder Neck Ring,Gas Cylinder Neck Rings,Gas Cylinder Cap Rings
Hangzhou Qizheng Trading Co., Ltd. , https://www.gascylindercap.com