Carbon Steel Grade 8.8/10.9/12.9 Square Head Bolt

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: Square Head Bolt
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Color-Zinc Plated
• Payment: T/T, L/C, D/P
• Used: Machinery, Chemical Industry, Environmental, Build
• Head Type: Hexagon, Round, Square, Mushroom
• Surface Coating: Hot Galvanizing, Black, Color-Zinc, Blue-White Zin
• Class: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
• Available Material: Carbon Steel, High Strength Steel, Stainless Steel
• Transport Package: 25 Kg/Carton, 36carton/Pallet
• Specification: DIN933, DIN931
• Trademark: KINGLI
• Origin: Ningbo
• HS Code: 7318151001
• Production Capacity: 500ton/Month
• Package Size: 113.00cm * 86.00cm * 58.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

 

Standard	ASTM A193 B7/B7M/B16.A320 L7/L7M
Size	1/2"-4"
Grade	Gr. B7,B7M ,L7,L7M,B16,L43
Surface finishing	Plain&Oiled, Black, ZP, ZY, H. D. G., Teflons Coated etc.

 

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Company Profile

 

Workshop

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Certificate

 

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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)