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Custom Auto Fastener Screws M8 / Galvanized Steel Brake Bleeder Screw

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Custom Auto Fastener Screws M8 / Galvanized Steel Brake Bleeder Screw


Large Image :  Custom Auto Fastener Screws M8 / Galvanized Steel Brake Bleeder Screw

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: SC2019008
Payment & Shipping Terms:
Minimum Order Quantity: 100 PCS
Price: USD 0.1 - 3 / Pcs
Packaging Details: 200 pcs each bag , 10 bags each carton .
Delivery Time: 25 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000 000 pcs per month
Detailed Product Description
Material: Carbon Steel Thread: M8
Length: 20 Finish: Zinc
Color: Silver Hardness: 20 HRC
High Light:

hardware screws


hardware fasteners


galvanized steel brake bleeder screws


Galvanized Steel Brake Bleeder Screws M8 Custom Auto Fastener


Bleeder screw is one of auto fasteners , it names also air screw or vent screw , a metric or ANSI thread and a hexagonal profile over thread section for holding purpose , there is a vent hole that close to end point .


Special hole design for bleeder screw is widely used for brake in auto that helps brake to control auto moving . Bleeder screw is made of harden carbon steel with high tensile strength and corrosion resistant zinc finish .Hardness for bleeder screw ups to grade 10.9 ( HRC 35 ) for ensuring long service .




High tensile strength carbon steel 1035




Free chrome zinc coating with 10 um thickness 




1 . Not easy to be broken

Harden material with good finish .


2 . Recyclable 


3 . Steady fastening 


4 . Easy operation 


Technical Data


Full length  
Hole diameter  
Hex width  


Mechanical properties


Hardness ( HV ) 350 Yield Strength ( Mpa ) 280 Elongation ( % ) 45
Tensile Strength ( Mpa ) 450 Torque kg 265 Reduction Area ( % ) 55



Custom service


Generaly , bleeder screws are customzied per special designs , we provie custom service including dimensions , material , finish , hardness , profile and packing .


Optional materials


Bleeder screws can be made from carbon steel , and stainless steel and titanium are workable as well , stainless steel can not be used for heavy duty purpose as hardness is not too much as carbon steel .


About packing


Bleeder screws are packed 100 pcs each bag and 50 bags each carton . carton dimension is 20 x 25 x 15 cm , for big quantity , there is a standard pallet for easy carry , Final packing data should be subject to specific dimensions of set screw and packing types . Besides ,we accept custom packing for your special requirements .





Contact Details

Contact Person: MR.LIN

Tel: +8613556778272

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