High Tensile Black Oxide Heavy Hexagon Head Bolt

• Material: Alloy Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, as
• Grade: 8.8
• Model NO.: 19JXHTB002
• Application: Steel Structure
• Finish: Black
• Tensile Strength: 1040-1240MPa
• Yield Strength: Min. 940MPa
• Tensile Load: 583-696kn
• Transport Package: Carton and Wooden Pallet
• Specification: M12-M36
• Trademark: HYZ or OEM
• Origin: Hangzhou China
• HS Code: 7318
• Production Capacity: 500mt/Month

Product Description

High strength friction grip bolt sets for steel structures
 

Product name	heavy hex head bolts
Standard	GB/T1228-1231
Grade	10.9S
Dia.	M12~M36
Length	40~300MM
Materials:	Carbon steel or Alloy steel---20MnTiB,45# / 35VB 35CrMo/42CrMo B7.ect.
Available finish	Dacromet, black oxide, phosphating, electronic galvanized,ect.
Bolt Set	set= 1 bolt + 1 Nut (10H)+ 2 washers(10S)
Head marking	HYZ+ 10.9S/8.8S or customers' brand + 10.9s/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	10.9	10H	HRC35~45
	8.8	8H	HRC35~45

Mechanical properties of 10.9S Bolt:

Properties	Yield strength         MPA          Min	Tensile strength            MPA            Min	Elongation             %	Reduction of area              %
M12~M36	1040~1240	≥ 940	≥  10	≥  42

Hardness of 10.9 bolt set

Bolt hardness	Nut hardness	Washer hardness
33HRC~39HRC	98HRB~32HRC	HRC35~45

Hardness of 8.8 bolt set

Bolt hardness	Nut hardness	Washer hardness
24HRC~31HRC	95HRB~30HRC	HRC35~45

 Pls contact us to know more detials~!

                                                                 Main packing way



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.