fillister hex socket knurled head screw      
size:M8*20    
surface treatment:black oxide coating
material:10B21        
class:8.8

Material of Special fasteners:

• Stainless steel                                                             

• carbon steel

• brass

• alloy /aluminum steel

• high strength steel

Finish of special fasteners:

• HDG

• Passivated

• Cr3+

• Plain

• Etc

Kinsom Special Fasteners Overview:

• Special screw (SUS screw,Cd lines screw,step screw...)

• Special bolts  (double head bolts...)

• Special Nuts   (weld nuts,slotted nuts,expansion nuts...)

• Special rivets  (solid rivets,tubular rivets...)

• Special machining and staping metal parts

Main products mainly used in a wide varity of: 

• Machine ,Automobile

• Constrution, 

• Electronics,

• Home appliances ,

• Fitness equipment,

• Garden tools,furniture,

• Lighting ,

• Other industry required fasteners of the types of commodity products.

Competitive Advantages of Kinsom:

• Service.

• Top Quality

• Green Product

• Guarantee/Warranty 

• Experienced Staff