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 .

Material

High tensile strength carbon steel 1035

Finish

Free chrome zinc coating with 10 um thickness 

Feature

1 . Not easy to be broken

Harden material with good finish .

2 . Recyclable 

3 . Steady fastening 

4 . Easy operation 

Technical Data

Mechanical properties

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 .