+1
In This Store
Products
Suppliers
Buying leads
Black zn high strength round head ribbed neck bolts
FOB Reference Price:Get Latest Price
Material:
Steel
Grade:
Class10.9
Finshing:
Phosphated
Specifications:
M12×25 All 1 Options
Quantity:
Payment Terms:
TT
Favorites
Share
Uni-Protech Fasteners (Suzhou) Co., Ltd.
Trade Company
Tel:

86-512-68361603

Fax:

86-512-68361606

Skype:

kuo731wu

QQ:

1820389650

Email:

eli@mail.uni-protech.com.tw

Basic Info
Material
Steel
Performance Grade
Class10.9
Surface Treatment
Phosphated
Thread
M-thread
In-drive
Slot
Locking
Straight-knurl
Point
Flat point
Brand
Uni-Protech
Unit
MPCS
Performance Grade
Class10.9
Tempering temperature min
425℃
Tensile Nom
900MPa
Tensile min
900MPa
Yield strength Nom
720MPa
Yield strength min
720MPa
Proof load Nom
650MPa
Elongation after fracture of machined test pieces min
10%
Percentage reduction of area after fracture, Machined test pieces min
48%
Vickers hardness F no less than 38N min
290HV
Vickers hardness F no less than 38N max
360HV
Brinell hardness F=30D^2 min
286HB
Brinell hardness F=30D^2 max
355HB
Rockwell hardness min
37HRC
Rockwell hardness max
当采用HV0.3测定表面硬度及芯部硬度时,紧固件表面硬度不应比芯部硬度高出30HVHRC
Surface hardness and Core hardness HV0.3
28
Hardness decrease of retempering max
20HV
Absorbed energy min
27J
Surface Treatment
Phosphated
Code
Mn-ph
Description
Oil on the surface
Thickness
2u
Appearance
Black
NSSWhiteRust
24
NSSRedRust
24
Product Description

PRODUCT DESCRIPTION                                                       


 Black zn high strength bolts 

spec.png


PRODUCT SHOW                                                                     


2 (12)_meitu_5_meitu_25.jpg

产品-2_meitu_2.jpg

APPLICATION                                                                           


    application-1_meitu_4.jpgapplication-1_meitu_4.jpgapplication-1_meitu_4.jpg  

 application-12_meitu_5.jpgapplication-12_meitu_5.jpg                                                                                         


QUALITY TESTING                                                                  


检测设备_meitu_3.jpg

Uni-protech products has been approved by ISO 9001 certificates. 

Testing machine is also well-equipped like Chemical Analysis Instrument, 

Tensile and Compression Test System, Hardness Tester and so on. 

With good quality control, our products and services are highly recognized by customers.


COMPANY INTRODUCTION                                                    


UNI-PROTECH GROUP

* Uni-protech industry Co., Ltdhead office

   Tainan TaiwanSaleR&DQC lab

* Uni-protech fastenerssuzhouCo., LtdChina branch office

   High-tech District SuzhouSaleInventoryQC Lab

* TJ PARTS INDUSTRY Co.,LTDTaiwan warehouse

   Kaohsiung CitySortingPacking

* Suzhou Dongshan Standard Fasteners Co., ltdChina Plant

  Dongshan townHot  formingTurningHeat- Treatment

RATO TECHNOLOGY INC.Taiwan Plant

  KaohsiungCold FormSortingPacking

Uni-Protech Group is found in 1992 and establish China Suzhou branch in 2010. 

With more than 20+ years’ experience, Uni-Protech provides all type fasteners products

in all sizes. Not only the ISO9001:2008 certified team, but also ISO9001/IEC17025 certified

Quality Lab give customer peaceful mind service.In addition, new sorting & packing facility 

completes all you need for Quality Fasteners shopping.


OUR CUSTOMER                                                                     

客户.jpg


CONTACTS                                                                               



联系人.jpg

Send Message to Supplier

To:
Uni-Protech Fasteners (Suzhou) Co., Ltd.
* Message:
If the supplier does not contact me in the information center within 24 hours, open inquiry allows the appropriate supplier to quote me