GB-T 16674.1 Hex Flange Bolts-Small Series
Product: GB-T 16674.1 Hex Flange Bolts-Small Series-Type F
Property Class:4.6,4.8,5.6,5.8,8.8,10.9,12.9,
A2-70, A4-70,A4-80
Finish:Zinc Plating（Yellow Zinc, Zinc Blue, Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet
Material:Steel
Export country: USA, Japan, Australia, Europe and so on
Support customer customization
GB/T 16674 small series hexagonal flange face bolt is a kind of fastener, which consists of a hexagonal head, a flange plate (the gasket under the hexagon is fixed with the hexagon) and a screw (a cylinder with an external thread). Partially composed. The bolt is designed with a special structure, that is, a larger disc extends from the bolt head to increase the contact area, increase friction, and prevent the flange from loosening and falling off during rotation.
Pictures
Product drawing
Product Specification
Size | M5 | M6 | M8 | M10 | M12 | M14 | M16 | |
P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | |
e min | 7.59 | 8.71 | 10.95 | 14.26 | 16.5 | 19.86 | 23.15 | |
da max | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | |
dc max | 11.4 | 13.6 | 17 | 20.8 | 24.7 | 28.6 | 32.8 | |
ds min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | |
Lf max | 1.4 | 1.6 | 2.1 | 2.1 | 2.1 | 2.1 | 3.2 | |
k max | 5.6 | 6.9 | 8.5 | 9.7 | 12.1 | 12.9 | 15.2 | |
s | max | 7 | 8 | 10 | 13 | 15 | 18 | 21 |
min | 6.78 | 7.78 | 9.78 | 12.73 | 14.73 | 17.73 | 20.67 | |
r min | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | |
Support customer customization | ||||||||
Some introduction about our company
Application
Our products are widely used in mechanical, railways, bridges, steamships, fire protection and communication system, etc.
Workshop
Certification
Through scientific management, Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification. In 2017, the laboratory passed the national CNAS certification. In 2018, the company passed the European CE certification.
Testing Equipment
Our company has a specialized laboratory with digital hardness testers, microscopes, universal testing machines, axial force meters, hydrogen embrittlement detection devices, magnetic particle flaw detectors, metallographic analyzers, carbon and sulfur analyzers and salt spray testing machines, etc. Experimental testing equipment is used to conduct comprehensive testing of the chemical composition of product hardness,coating thickness and corrosion resistance to ensure that all products meet standard requirements and satisfy customers.
Production equipment
Our company has more than 300 production equipment.The product production process includes: Annealing, shot blasting, cold heading, thread rolling, heat treatment, galvanizing packaging, etc. are all completed in the company.
Packing
Service
1. Based on customer needs, we provide a small series of hexagonal flange bolts that comply with GB/T 16674 standards to ensure that product quality and specifications meet the standards.
2. If the customer needs hexagonal flange face bolts with special specifications or special materials, we provide customized services to meet the customer's special needs.
3. Provide timely after-sales service and solve customer problems.
FAQ
1. Can I trust the quality of your products?
Of course, if you need it, we will provide relevant quality certification documents, such as certificates of conformity, inspection reports, etc., to ensure that product quality meets standards.
2. When can I receive my bolt products after placing the order?
Develop a reasonable delivery time based on the customer's order volume and delivery requirements, and ensure on-time delivery. If delivery cannot be made on time due to special reasons, the manufacturer will communicate with the customer in advance and negotiate a solution.
3. Can the price be discounted?
Based on market conditions and production costs, we formulate reasonable price strategies and provide preferential policies and discounts. Welcome to inquire and place orders for our bolts and other products.
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