Description
1. Model NO.: A563M 10S
2. Type: Hexagon Head
3. Standard: ANSI
4. Heat Treatment: Yes
5. High Tensile: Yes
6. Origin: Ningbo
7.Trademark: SD
8. Packing: gunny bags and carton box

Features
1. Material: Carbon Steel and alloy steel
2. Head Style: Hexagonal
3. Surface Treatment: plain, zinc, nickel, HDG, black, dacromet and mechanical zinc plating.
4. Colors: white, red, blue and purple.
5. Welcome to the Custom Design.

Specification
1. Standards: ASTM A563 GR.A, GR.B, GR.C and GR.DH ,8S, 10S
2. Size: 1/2 to 3'
3. Grades: A, B, C and DH

Competitive Advantages 
1. Top Quality control 
2. Competitive Price 
3. Various of Design
4. OEM Accepted 
5. Customer's Design and Logo are Welcome