A193 B7 PTFE Blue Coated Full Threaded Bolt

• Customization: Available
• Material: High Strength Steel
• Type: Hexagon Head
• Head Style: Hexagonal
• Standard: DIN, ANSI
• Grade: 12.9
• Application: Machinery, Chemical Industry, Building
• Transport Package: Wooden Box
• Specification: a2-a4
• Trademark: kingmetal
• Origin: China
• Production Capacity: 500tons /Month

Product Description

A193 B7 PTFE Blue Coated Full Threaded Bolt 

ASTM A193 Grade B7 heavy hex head bolts are high strength fasteners manufactured from QT AISI 4140/4142,.Dimensional specifications are governed by ASME B18.2.1.
High strength carbon steel maximum yield strength of 105000 PSI and minimum tensile strength of 125000 PSI
For 1" and smaller: threads are Unified inch coarse or fine series (UNC or UNF series) Class 2A in accordance with ANSI/ASME B1.1
For size larger than 1": threads are Unified coarse or 8 thread series (UNC or 8 UN Series)
Screw threads are based on System 21 of ANSI/ASME B1.3
Coating available in Teflon blue, black and galvanized etc.


Company Profile
From 1989 to now, Kingmetal Steel focus on manufacturing and distributing pipeline products including piping, fitting, flange, valve and fastener in stainless, carbon, alloy and duplex steel.
Kingmetal has a factory to manufacture seamless stainless steel pipe from DN6 to DN600 and distribute seamless steel pipe and fitting from top brand manufacturers such as Baosteel, Hengsteel, Tiansteel and Pansteel etc.
All of products are strictly compliance with standard, 100% inspection passed including visual, dimension and PMI test before shipment.
Both our sales and logistic teams are over 10 years of experiences and training frequently.
After- sales service with high efficiency, if any products are short quantity/weight or damaged caused by manufacturing, design or transportation can be compensated.
Why choose us?
One-Stop Solution
We have thousands of total production experience, from raw materials to finished products.
Competitive Price
Large scale purchase, standardized production process and efficient management make our price competitive.
Quick Shipping
Years of export experience enable us to control the transportation time more accurately.
Quality Control
The standardized production process, comprehensive management system, professional testing equipment
Special material customization
We support the customization of various complex materials
OEM/ODM
We support any form of OEM/ODM customization requirements.