High Quality ASTM A320 L43 Bolts AISI4340

• Customization: Available
• Material: AISI4340
• Surface Finishing: Black,Z/P,HDG,PTFE,Plain
• Model NO.: A320 L43
• Grade: L43
• Certification: ISO, GS, RoHS
• Customized: Customized
• Coating: Black,Z/P,HDG,PTFE,Plain
• Sample: Contact Us
• Payment: T/T,L/C,D/P
• Used: Machinery Assembly, Oil & Gas Projects, Structural
• Class: L43
• Transport Package: 25kg/Carton, 36carton/Pallet
• Specification: 2-1/2"-4"
• Trademark: KLF
• Origin: Ningbo, China
• HS Code: 7318151001
• Production Capacity: 1000ton /Month
• Package Size: 113.00cm * 86.00cm * 56.00cm
• Package Gross Weight: 900.000kg

Product Description

Product Description

 

Standard	API,DIN. GB. JIS. AISI/ASTM/ANSI/AMSE and BS EN. Etc.
Size	2-1/2"-4"
Grade	L43
Surface finishing	Black,Z/P,HDG,PTFE,PLAIN

 

Detailed Photos

Company Profile

 

Workshop

Testing Capability

 

Certificate

 

Packing&Shipping

 

FAQ

Q: Are you a trading company or manufacturer?

A: We are an integrated manufacturer with our own factory. Our modern 18,000 sqm (20-acre) facility enables us to produce high-quality fasteners and specialized parts.

Q: What's your product range?
A: KLF specializes in cold/hot forged bolts (½" to 3" diameter) and nuts (½" to 4" diameter). We produce both standard fasteners and customized specialty/non-standard parts.

Q: What's your packing way?
A: 
25kg/box,36boxes/pallet(fumigation or no- fumigation tray)  
20kg/box,48boxes/pallet(fumigation or no- fumigation tray)  
15kg/box,48boxes/pallet(fumigation or no- fumigation tray)  

Q: Quality Assurance System ?
A: We employ a rigorous two-stage QA protocol:
Pre-production: Dimensional checks on samples
Pre-shipment: Full batch inspection including
raw material inspection,process inspection, finished product inspection
Ensuring DIMENSIONS /MECHANICAL PROPERTIES/MACRO ETCH/CHEMICAL COMPOSITION(%)/-- Conforms to the standard requirement

Q: Which industries do your products serve?
A: Widely used in machinery assembly, oil & gas projects, structural steel construction, shipbuilding, and wind/solar energy installation systems.

Q: Payment Terms & Trade Services
A: Standard Terms: FOB ,CIF, EXW
   Payment Methods: SWIFT TT transfer, D/P, LC at sight (negotiable for bulk orders)