Product Details

Specifications

ISO 7412
1.Hot foring,
2.Size: M16~M100
3.Finish:plain, black ,zinc plated, hot dip galva

Model Number: M4-M42 iso 7412 Heavy bolt hex head

iso 7412 Heavy bolt hex head:: iso 7412 Heavy bolt hex head class 4.8/8.8/10.9
Standard:: DIN,JIS ,BS,IFI
Size:: M4-M42,1/4"-5/8"
Coating 1:: Plain
Coating 2:: Zinc plated
Coating 3:: H.D.G
Coating 4:: Dacromet
Material 1:: Grade 2/5/8
Material 2:: Class 4.8/8

. Widely used in wind power system,construction bridges, steel structural of boilers, industrial buildings, tower mast steel structure , lifting machines, etc.

Packing: Standard export packing or According to customer's requirement

Process equipment	Multifunctional cold forging machine, Hot forging punch, Heat treatment line and finish treatment machine, etc
Test equipment	Hardness tester, Screw torsional force tester , GO/NO GO gauge, Screw groove depth tester, micrometer
Quality control	1.QCC→ 2.IQC→ 3.IPQC/PQC→ 4.FQC→ 5.QA→ 6.QE→ 7.TQC
Certificate	ISO9001:2000
Export area	North America, South America, North Europe, West Europe, Southeast Asia, Mid East, Africa
Export experience	9years
Our core concept	Innoviation, credit
Our Goal	Good business reputation, Customer's interest first, High quality, Prompt delivery

Thread Types:
• Typically metric coarse and metric fine
• British Standard Whitworth (BSW)
• British Standard Fine (BSF)
• Unified National Coarse (UNC)
• Unified National Fine (UNF)
• Unified National Series
• Coach screw thread form

Project Supply: