Square Head Bolts ASME B 18.2.1 - 2012 ASTM A307 / A354

• Customization: Available
• Material: Carbon Steel
• Type: Square Head
• Model NO.: 1/4 5/16 3/8 7/16 1/2 9/16 1
• Connection: Hinged Bolts
• Head Style: Square
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Black
• Surface: Plain,Passivation
• Certification: ISO, RoHS, SGS, TUV
• Thread: Full Thread and Half Thread
• Non-Standards: OEM Is Available, According to Drawing or Samples
• Transport Package: Carton Packaging
• Specification: 1/4 5/16 3/8 7/16 1/2 9/16 1
• Trademark: SHENGJIA
• Origin: Wuxi China
• Production Capacity: 50000

Product Description

Our services:
1:Good after sales service: Any small problem happening will be solved at the most prompt time.
2. We have many years of experience, we have specializing in fastener. 
3. Specifications list is available upon your requirement. 
4. Packing as your request before shipment. 
5. High quality and competitive price.