Send Message

Grade 6.8 304 Stainless Steel Round Spot Weld Bolts

Grade 6.8 304 Stainless Steel Round Spot Weld Bolts
Features Gallery Product Description Request A Quote
Material: 3043 Stainless Steel
Finish: Plain
Color: Silver
Length: Customize
Diameter: Customize
Standard: GB
Grade: 6.8
Certificate: ISO9001:2008
Service: OEM/ODM
Shape: Round
High Light:

Round Weld Bolts


SS304 Weld Bolts


Grade 6.8 stainless steel weld bolts

Basic Infomation
Place of Origin: China
Payment & Shipping Terms
Packaging Details: Woven Bag
Delivery Time: 35days
Payment Terms: T/T
Supply Ability: 100,000pcs per month
Product Description

304 Stainless steel round spot weld bolt.



Purpose: Heat the wire to an appropriate temperature, keep it for a certain period of time, and then slowly cool it to adjust the crystal structure, reduce the hardness, and improve the wire processability at room temperature.


1.Feeding: The product that needs to be processed is placed in the furnace.
2.Raising temperature: Raise the temperature in the furnace (about 3-4 hours) to the specified temperature.

3.Heat preservation: the material 1018, 1022 wire is kept at 680℃-715℃ for 4-6h, the material is 10B21, 1039, CH38F wire is kept at 740℃-760℃ for 5.5-7.5h.
4.Cooling down: The temperature in the furnace is slowly (about 3-4 hours) lowered to below 550°C, and then cooled to room temperature along with the furnace.


Cold heading (forming)
Purpose: Cold forging the wire to achieve a semi-finished shape and length (or thickness).

Bolt (general head type, one die and two punches)
1. Cutting: Cut the wire stuck in the cutting mold into blanks by moving the movable scissors in one direction.
2) One punch: The die is fixed, and the head of the product is preliminarily formed by a punch, so that the next stroke can be completely formed. When the product is a straight groove, one punch has a concave and elliptical groove, and when the product is a cross groove, the other punch has a concave and square groove.
3) Second punch: After the first punch, the punch runs as a whole, the second punch moves to the front of the punch, and the second punch moves forward at the same time to form the final product. Afterwards, the blank is pushed out by the back punch.



Product name 304 Stainless steel round spot weld bolt
Material 304 stainless steel
Color Silver
Finish Plain
Grade 6.8
Size Customize
Length Customize
Standard GB
Service OEM /ODM
Shape Round
Certificate ISO9001
Quality Control 100% Inspection




Factory Diaplay


Grade 6.8 304 Stainless Steel Round Spot Weld Bolts 0


Plating line


Grade 6.8 304 Stainless Steel Round Spot Weld Bolts 1


Test equipments


Grade 6.8 304 Stainless Steel Round Spot Weld Bolts 2


Grade 6.8 304 Stainless Steel Round Spot Weld Bolts 3


Package Room


Grade 6.8 304 Stainless Steel Round Spot Weld Bolts 4



Q1: Are you a manufacturer or a trading company?
A: We are a manufacturer, I have a factory in Shenzhen, we will provide you with factory price, welcome to cooperate.


Q2:Can you provide samples?
A:We can provide samples according to your request.

Q3:Do you have after sales service?
A: We usually reply to you within 24 hours. In case of emergency, please contact us directly by telephone or email.

Recommended Products
Get in touch with us
Tel : 86-18258319335
Fax : 86-573-82715881
Characters Remaining(20/3000)