China High quality Hexagon Flange Bolt Grade 10.9 Black Oxide Quotes, Factory, Purchasing, Manufacturers
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Hexagon Flange Bolt Grade 10.9 Black Oxide

Brand : S L

Product origin : Wenzhou .China (mainland)

Delivery time : 25 to 35 days in general

Supply capacity : 50,000 Kg /Kgs Per Day

Product Description

Standard:

DIN6921

Finish:

Black olied, black finishing

Material:

 alloy steel ,ML40Cr

Size:

Diameter M6 to M16

Grade:

10.9

Packing:

Bulk , Small boxes  then on pallet


Hex flange bolt is a one-piece forged bolt with a hex washer head. This Hex flange bolt be made of ML40cr material , it is Grade 10.9 property

Hardness : 33- 39 HRC

Tensile Strength ﹥  1040 Mpa

Yield strength ﹥ 940 Mpa

Elongation rate = 9%

Shrinkage rate = 48%


And the washer head always in 2 types, serrated flange and smooth flange, . Hex flange bolts always made by medium alloy steel, widely used in motor ,automobile  /auto.

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