One of Hottest for 40cr Hex Bolt - Excavator Track Bolts Hitachi / Komatsu / Kobelco / Daewoo / Hyundai / Sumitomo Various sizes high quality nuts – Yuhe

We specialized in fastener for 20 years ,with good quality  and lowest price .

Excavator Track Bolts Hitachi / Komatsu / Kobelco / Daewoo / Hyundai / Sumitomo Various sizes high quality  nuts

Bolt performance grade, namely the bolt performance grade for steel structure connection, is divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc.Bolt performance grade label consists of two parts, which respectively represent the nominal tensile strength value and bending strength ratio of bolt material.

Processes
First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.
The second, we adopt blasting procession, removing Oxidation surface , make the surface to be bright and clean and uniform and beautiful.
The third, in heat treatment: We use the Digtal Controlled-atmosphere Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, We can deal with the products in different sizes keeping the non-oxidation surface

FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-7 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.