ISO 8678 Cup Head Square Neck Bolts with Small Head and Short Neck
Product: ISO 8678 Cup Head Square Neck Bolts with Small Head and Short Neck-Product Grade B
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
Carriage bolt needs to be matched with a nut and is used to fasten two parts with through holes.
Pictures
Product drawing
Product Specification
Size | M6 | M8 | M10 | M12 | M16 | M20 | |
P | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | |
dk max | 14.2 | 18 | 22.3 | 26.6 | 35 | 43 | |
ds | max | 6 | 8 | 10 | 12 | 16 | 20 |
min | 5.35 | 7.19 | 9.03 | 10.86 | 14.7 | 18.38 | |
e min | 7.64 | 10.2 | 12.8 | 15.37 | 20.57 | 25.73 | |
k | max | 3.6 | 4.8 | 5.8 | 6.8 | 8.9 | 10.9 |
min | 3 | 4 | 5 | 6 | 8 | 10 | |
k1 | min | 2.4 | 2.4 | 3.2 | 3.2 | 4.2 | 4.2 |
max | 3 | 3 | 4 | 4 | 5 | 5 | |
s | max | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 |
min | 5.88 | 7.85 | 9.85 | 11.82 | 15.82 | 19.79 | |
r max | 0.5 | 0.8 | 0.8 | 1.2 | 1.2 | 1.6 | |
Support customer customization | |||||||
Some introduction about our company
Application
Jinan Star Fastener Co., Ltd. products are widely used in mechanical, electrical, automotive, building construction, 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
Jinan Star Fastener Co., Ltd. products 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 checking out tools is used to behavior complete checking out of tthe chemical composition of raw materials, product hardness, mechanical properties, coating thickness and corrosion resistance to make certain that all merchandise meet popular necessities and fulfill 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, finished product testing, packaging, etc. are all completed in the company.
Packing
Our service:
1. Professional manufacturer: All our fasteners are designed and manufactured according to buyers' specifications and performance.
2. Quality guaranteed: durability testing and key technology design to improve the service life of fasteners.
3. Cost-effectiveness: Wide selection of parts, supplied by professional factories, and competitive prices.
4. Customize ideal fasteners: Customize services based on the samples and drawings provided.
5. Perfect fastening solutions with 60 years of experience to solve your problems: wide selection of parts.
FAQ
1. What is your price?
High first-class merchandise and life like prices. Please ship me an inquiry and I will quote the charge right now for your reference.
2. Do you receive small orders?
Of course, we can take delivery of any order, and we maintain massive shares of all products.
3. How do you manage your quality?
We require QC to look at each manufacturing hyperlink of every batch of goods. We can grant you with MTC and manufacturing facility certificates after the items are completed.
4. What is your price? /Can you ship a fee list?
High first-rate merchandise and life like prices. Please ship me an inquiry and I will quote the fee right away for your reference. /certainly. Just go away your e mail right here and we will ship a rate listing inside two commercial enterprise hours.
5. What is your packaging?
We can make customer's brand on the carton. Or we personalize cartons in accordance to consumer needs.
6. What is your charge term?
We can take delivery of wire transfer, letter of savings for well-known orders, PayPal and Western Union for small orders or pattern orders.
