Plain or Black Finish Hex Head Bolt GB/T 1228 10.9s

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, as
• Grade: 8.8
• Model NO.: JX16HB015
• Application: Steel Structure
• Finish: Black
• Length: 40-300mm
• Other Finish: HDG, Black Oxide, Galvanized, Dacromet,Ect
• Tensile Strength: 830~1030MPa
• Lubrication Method: Phosphating
• Transport Package: Carton and Wooden Pallet
• Specification: M12-M36
• Trademark: HYZ OR OEM
• Origin: Hangzhou China
• HS Code: 7318
• Production Capacity: 500000sets/Month

Product Description

Large hex head high strength bolt for steel structures
 

Product name	High strength hexagon head bolt
Standard	GB/T 1228-1231
Grade	grade 10.9 /8.8
Dia.	M12-M30
Length	40-300mm
Materials:	Carbon steel--ML20MnTiB         Alloy steel---40Cr / 35VB
Available finish	Dacromet, black oxide, phosphating, electronic galvanized,ect.
Bolt Set	set= 1 bolt + 1 Nut + 2 washers
Head marking	HYZ+ 10.9s /8.8s or customer brand + 10.9s or 8.8s
Packing	Carton and wooden pallet or wooden case; barrel+wooden pallet
Certification:	FPC BC1, SGS,BV,ISO, factory testing report.

Class of bolt, nut and washer

Components	Bolt	Nut	Washer
Class	10.9s	10H	35HRC~45HRC
	8.8S	8H	35HRC~45HRC

Mechanical properties of Bolt:

Properties	Yield strength         N/mm^2       (kgf/mm^2)	Tensile strength       N/mm^2    (kgf/mm^2)	Elongation             %	Reduction of area              %
10.9S	940	1040~1240	≥  10	≥  42
8.8S	660	830~1030	≥  12	≥  45

Hardness of bolt set
 

	Bolt	Nut	Washer
10.9S	HRC33~39	HRB98~HRC32	HRC35~45
8.8S	HRC24~31	HRB95~HRC30	HRC35~45

Workshop



Packing


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                                                                                   Core products

We are professional in manufacturing high strength tension control bolts and heavy hex head bolts, shear studs for steel structures. All products can be manufacture as per international standard or customer drawing. for details, welcome for negotiation. 

Per Batch goods will be together with 3.1 certificate or the 3rd party inspection report.