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Grade 8.8 Full Threaded Steel Hex Bolt Din 933 M3 - M42 Size Black Color

Handan city Yongnian District Maide Fasteners Co. Ltd
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Grade 8.8 Full Threaded Steel Hex Bolt Din 933 M3 - M42 Size Black Color

Brand Name : MD

Model Number : M6-M12

Certification : ISO

Place of Origin : Handan Yongnian

MOQ : 1pieces

Price : Negotiate

Payment Terms : L/C, T/T

Supply Ability : 10000pieces/day

Delivery Time : 25-30days

Packaging Details : Boxes On Pallet

Material : Iron

Colror : black

Label : Customers' Requirment

Grade : 8.8

Size : M6-M30

Type : Hexagon Head Bolt

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Din 933 Grade 8.8 Full Threaded Hex Bolts ,Steel Hex Bolt M3 - M42 Size

Products Description:

This item is Fine Thread Grade 8.8 Carbon Steel Hex Bolt M12 Din 960 Black Oxide,the material is carbon steel,the grade is 4.8,the thread is fine thread,the size is M12,the standards is DIN960,the surface treatment is black oxide.

The pruduct is bolt,or screw, is a type of fastener, typically made of metal, and characterized by a helical ridge,known as a male thread (external thread) or just thread, wrapped around a cylinder. Some screwthreads are designed to mate with a complementary thread, known as a female thread (internal thread),often in the form of a nut or an object that has the internal thread formed into it. Other screw threads are designed to cut a helical groove in a softer material as the screw is inserted. The most common uses of screws are to hold objects together and to position objects.A screw will almost always have a head on one end which contains a specially formed shape that allows it to be turned, or driven, with a tool.

Tin is a silver white metal, non-toxic, with good weldability and ductility. It is widely used in electronics, food, automobile and other industries. The tin plating process of six angle bolts is classified into two categories: acid plating bath and alkaline tin plating process by the pH value of the plating bath.

Advantage:

The advantage of acid tin plating is that the plating speed is faster. And the coating is bright and meticulous, deep plating ability. The plating solution has a strong tolerance to impurities, and the operation at room temperature is more energy saving. However, the plating method also has shortcomings, that is, the dispersing ability of the bath is poor, the porosity of the coating is higher, the brazing is not as good as the alkaline tin plating, and the two valence tin is hydrolyzed. Therefore, the six angle head bolt acid tin plating is divided into sulphate tin plating, fluorborate tin plating and oxide tin plating because of different conductive medium. At present, some special industrial six - corner head bolts are used in this tin plating process.

Specification

d M8 M10 M12 M14 M16 M18 M20
L Weight/MPCS≈kg
35 18.4
40 20.4 35.0
45 22.3 38.1 53.8
50 24.3 41.2 58.2 83.3
55 26.3 44.2 62.7 88.3 118
60 28.3 47.3 67.1 95.4 126
65 30.2 50.4 71.5 101 134 174 225


Grade 8.8 Full Threaded Steel Hex Bolt Din 933 M3 - M42 Size Black Color


Product Tags:

high tensile steel bolts

      

hex bolt fastener

      
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