Metric Size High Strength Friction Grip Bolt ASTM A325m/A490m

• Customization: Available
• Material: Alloy Steel
• Type: Hexagon Head
• Model NO.: 19JXHTB018
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, as
• Grade: 8.8
• Application: Steel Structure
• Finish: Black
• Tensile Strength: >825MPa
• Other Available Finish: Black Oxide, Galvanized, Dacromet,Ect
• Transport Package: Carton and Wooden Pallet
• Specification: M12-M36
• Trademark: HYZ or customer brand
• Origin: Hangzhou China
• HS Code: 7318
• Production Capacity: 5000000PCS/Month

Product Description

ASTM A325M TYPE 1 heavy hex head bolt with nut and washer
 

Product name	High strength hexagon head bolt
Standard	ASTM A325M
Grade	TYPE 1 grade 8.8
Dia.	M12-M36
Length	40~400mm
Materials:	Carbon steel--45#           Alloy steel---40Cr / 35VB35CrMo/42CrMo
Available finish	Dacromet, black oxide, phosphating, electronic galvanized,ect.
Bolt Set	set= 1 bolt + 1 Nut (DH or 2H)+ 2 washers(F436)
Head marking	HYZ+ A325 or customers' brand + A325
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	8.8	DH	F436
	8.8	2H	F436

Mechanical properties of Bolt:

Properties	Yield strength     PSI(MPA)          Min	Tensile strength        PSI(MPA)            Min	Elongation             %	Reduction of area              %
M12-M36 incl.	660	830	≥  14	≥  35

Hardness of bolt set

Bolt size        mm	Bolt Length           mm	Bnnell		Rockwell C
		Min.	Max.	Min	Max
M12 to M24, Incl	less than 2D^A	253	319	25	34
	2D and over	...	319	...	34
M25 to M36, Incl	less than 3D^A	253	319	25	34
	3D and over	...	319	...	34

                                                                                     Our lab

                                                                                   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.