Heavy Hex Bolt ASTM A325m A193 A563 Structural Bolts U Bolt Carriage Bolt Flange Bolt Coach Bolt T Bolt Anchor Bolt Guardrail Bolt Track Bolt for Buildings

ASTM A325 A490 Structural Heavy Hex Bolt Structural Bolts Hot Dip Galvanized for Buildings

Standard	ASTM A325
Diameter	1/2~1-1/2"
Length	As your requirement
Head type	Round , Custom-made
Material	Stainless Steel 316, 316L
Surface treatment	Hot Galvanizing, Black, Color-Zinc, Blue-White Zinc etc
Package	Plastic bag, Boxes and cartons, Pallets, Customized
Price terms	EXW, FOB, CIF, etc.
Payment terms	T/T, Paypal, L/C, Western union, etc.
Certifications	ISO 9001
Note	Free Samples could be provided for standard fastener

We need more detail as follow. This will allow us to give you an accurate quotation. 
Before offer the price,get the quote simply by completing and submitting the form below:
• Product:__                  
• Measure: _______(Inside Diameter) x_______(Outside Diameter)x_______(Thickness)
• Order Quantity: _________________pcs
• Surface treatment: _________________
• Material: _________________
• When do you need it by? __________________
• Where to Shipping: _______________ (Country with postal code please) 
• Email your drawing ( jpeg, png or pdf, word) with minimum 300 dpi resolution for good clarity.
 

1. A325 Standard

TYPE 1	Medium carbon, carbon boron, or medium carbon alloy steel.
TYPE 2	Withdrawn November 1991.
TYPE 3	Weathering steel.
T	Fully threaded A325. (Restricted to 4 times the diameter in length)
M	Metric A325.

Structural bolts have a shorter thread length than is found on grade 5 and grade 8 bolts and screws. A325 bolts are the most commonly specified structural bolt grade for use in the construction of buildings, warehouses and bridges.

Inch Standard

Metric Standarad

4. A325 Recommended Hardware

Nuts			Washers
Type 1		Type 3	Type 1	Type 3
Plain	Galvanized	Plain
A563C, C3, D, DH, DH3	A563DH	A563C3, DH3	F436-1	F436-3

*Heavy Hex Nut: ASTM A563 Grade C, C3, D, DH or DH3 (ASTM A194 2H is also acceptable). Structural Washer: ASTM F436, Type I; 38-45 HRC

Expanded vision: about the head marking difference between US standard bolt and Metric standard bolt.

Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer's expectations, as our vendors are the best name brands in the industry.

Tengri fasteners group employs more than 3000 employees and consists of one lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are able to satisfy our customer demands.

As a veritable "one- stop shop", Tengri Fasteners offers same day delivery of in-stock items and a wide a wide variety of supply chair solutions tailored to the needs of our customers. Our custom inventory control programs provide extensive cost saving to our customers.

Factory Images

Company Certifications

Customers



Our Service

a)  Good after-sale service, all questions will be replied within 12 hours.

b)  Customized design is available. ODM&OEM are welcomed.

c)  We can provide free sample, consumer should pay the freight first.

d)  Convenient transportation and fast delivery, all available shipping ways could be    applied, by express, air or sea. 

e)  High quality and most competitive price.

f)  Advanced produce and inspecting equipments.

Packaging & Transportation

FAQ

1.Can I order a small list ?

---Of course, you can.

2.What quote do you offer?
---FOB , CIF and others ways according the your needs.
 
3.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
 
4.What is the quality of your products guarantee?
---We have passed ISO9001:2015 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't  accord the standard, you can exchange the goods for free.
 
5.Do you have after-sales service?
---Certainly,you can contact us at any time.