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Changzhou Hongsheng Machinery Fitting Factory
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Fashionable Refit

12.9 grade chrome spline screw bolt for auto parts

Type:Wheel Bolt & Nut
Car Make:Chevrolet
OE NO.:to be advised
Place of Origin:Jiangsu, China (Mainland)
Material:Carbon Steel


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Place of Origin:

Jiangsu, China (Mainland)

Brand Name:

Hongsheng Drinty

Model Number:





Minimum Order Quantity:



US $0.1 - 0.5 / Piece

Packaging Details:

The package of lug nut: 
export carton, poly bag, neutral box 
50cs in a box, 40pcs in a carton.

Delivery Time:

45 days

Payment Terms:

Supply Ability:

5000000 Piece/Pieces per Month

Are you troubled with such quality problems: shortage, galling, rust……
if you choose hongsheng&drinty you will not be annoyed by such trouble
Our wheel lug nut during the production process. each product receive strict quality check, includes 4 steps: first check – self check – tour check – finial check
All wheel lug nut need 100% self check, each packer must be responsible for their own products. Every packer have their own work number. If there are something wrong in the packing, we can find who made the mistake easily.

Surface Treatment for wheel nut  :chrome ,zinc,blacking,color electrophoretic,color vacuum coating,dacromet........
We have  only list about wheel nut  the regular specification ,please inform us if you have any requirement for    different design or size.

Quality Assurance
1) Salt spray test: more than 72 hours
2) Plating: 4 layers nickle+1 layer chrome,our thickness of nickle ≥28μm
3) Warranty: 1 year
4) Testing: 100% from product to packing
5) Finish: chrome,zinc,blacking,dacromet,color electrophoretic and so on
6) Grade: 6/8/10
7) Quality Control:
(1)In our company, Production manager arranges the production task, and Inspector controls the quality.
The workers get the “daily production and quality record” and products drawing from workshop manager. Then get the products from warehouse keeper.
(2) After getting the products, the workers look over the drawing, and make first product then give this product to inspector. When inspector confirm the product is qualified, he will give “certificate of first product inspection” to worker
(3)Then worker make volume production. The worker will inspect and check the products every hour, and do the records timely, finish the production task with good quality. The inspector will also check the products every hour.
*Wheel bolt thread Size Available:M12×1.25,M12×1.50,M12×1.75,M14×1.50,M14×1.25••••••
*We have only list the regular specification of wheel bolt,pls inform us if you have any requirement for     different design or size.

Packages Available for wheel lug nut:
* double blister (clamshell) , cardboard box, head card, plastic box, foam box or  brown paper.
* all wheel locks can be packed in 4+1, 4+2, 5+1, 16+1, 20+1.........
* The tamper-resistant clamshell package can save your space and enhance the apperance of your retail display  
*We here only list the regular specification, please inform us if you have any requirement for different design or size.

1. We have two companys, one is a factory, the other is a trading company.
2. Higher quality, reasonable price, the best service.
3. Certificate: TUV, TS16949, ISO9001, BV
4. our black chrome products passed more than 96 hours neutral salt spray test

Type:Wheel Bolt & Nut
Car Make:Chevrolet
OE NO.:to be advised
Place of Origin:Jiangsu, China (Mainland)
Model Number:73028AL
Material:Carbon Steel
Surface treatment:chrome, zinc, blacking, color electrophoretic, etc
Thread size available:12*1.25, 12*1.5, 14*1.25, 14*1.5, 14*2.0,1/2"
Shank Length:28mm
Over Length:54mm
Package:neutral box,poly bag
Warranty:1 year