DIN 7976 Zinc Plated Carbon Steel Hex Head Self Tapping Screws For Automobile

DIN 7976 Zinc plated carbon steel Hex Head Self Tapping Metal Screws

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DIN 7976 Zinc plated carbon steel Hex Head Self Tapping Metal Screws.

Self - tapping Screw is in metal or nonmetal material drilled are cooperate with one of the female thread tapping out their kind of threaded fasteners.Hexagon screws can generally be divided into hex socket screws and hex bolts, hex socket screws is referring to the screw head is round, outside the middle is the hexagon dents, and outside hexagon bolt is refers to the outside of the screw head is hexagon.Ningbo nison fasteners co., LTD., professional custom production and processing of various size specifications of the high strength hexagon screws, outside circle Head hex socket screw, hex screw recesses, such as stainless steel hex screws and hex belt pad screw nut nut products.

Hexagonal screw common material with low carbon steel and medium carbon steel.Of low carbon steel, which is often said that the A3 steel, in foreign countries is also known as 2, 1008101, 5101, 8102, etc., mainly used in 4.8 bolt and 4 nut, screw, etc. No hardness requirement of products.Carbon percentage between 0.25% and 0.45% of medium carbon steel, we usually called 35 #, 45 # steel, known as 1035 abroad, CH38F, 1039, 40 ACR, etc., mainly used for 8.8 8.8 magnitude 8 nut, bolts and hex socket products.

Standard is a standard level, level standard is divided into 4.8 and 8.8 magnitude.The two level on the market with much more special.4.8 especially outside hexagonal screw.Because he is more than 8.8 outside hexagon bolt, cheaper.Is used more widely.But for demanding products.Because of its high hardness and so on various aspects of requirements.It will take to the outside of the 8.8 -magnitude hexagon screws.8.8 outside hexagonal screw from aspects such as hardness and screw torque for more hard.For in the use of products more secure.More tightening, more stable

Jiaxing Haina has varieties and complete specifications fastener product.Major products are stainless steel and grade 4.8/8.8/10.9 high intensity bolts , hexagon bolts , carriage bolts and all kinds of standard bolts , hexagon socket screws , self tapping screw , self drilling screws , hex nuts , threaded rod , anchor bolts and so on.

Maybe you can send your inquiry to our email : me@hainafastener.com , we will give you the price as soon as possible.Thank you.

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