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Some Statistics About Us You Must Know
Choose the plan that suits you best.
18
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
Product Picture
Square-Neck Carriage Bolts
-Material：Steel 1018, steel 10B21, stainless steel, aluminum.
-Surface finish: Zinc plated, Zinc nickel plated, black oxide, Decromet
-Thread metric:M2,M3,M4,M5,M6,M8,M12
-Thread imperial:0-80,2-56,3-48,3-56,4-40,4-48,5-40,5-44,6-32,6-40,8-32,8-36,10-24,10-32,1/4-20,5/16-18
-Head type:Round Head
-Neck:Square
-Hardness:23-35HRC
-Specifications Met:ASME B18.5, SAE J429,DIN603,ISO898
Carriage bolts are classified by head size into two types: large round head carriage bolts (corresponding to standards GB/T14 and DIN603) and small round head carriage bolts (corresponding to standard GB/T12-85).
A carriage bolt is a type of fastener consisting of a head and a shank (a cylindrical body with external threads). It must be used together with a nut to fasten and connect two parts that have through holes.
Production Process
Quality Control
FAQ
Q1: Can you provide custom Square-Neck Carriage Bolts?
A1: It can be made according to the drawings and specifications provided by customers.
Q2: I want to keep our design secret. Can we sign an NDA?
A2: Sure, we will not display any customer's design or show it to other people, we can sign an NDA.
Q3: How do you guarantee quality?
A3: On the one hand, our company has a strong team and high-precision machines to guarantee quality; on the other hand, we have a strict production process from production to delivery.
Q4: Can I visit your factory?
A4: Yes! Warmly welcome you to visit our factory. It would be great if you could inform us in advance.
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