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Black Oxide Steel Ball Point Set Screw M4 Hex Socket Harden Fastener Grade 10.9

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Black Oxide Steel Ball Point Set Screw M4 Hex Socket Harden Fastener Grade 10.9


Large Image :  Black Oxide Steel Ball Point Set Screw M4 Hex Socket Harden Fastener Grade 10.9

Product Details:
Place of Origin: China
Brand Name: VDL
Certification: ISO 9001
Model Number: SC2019010
Payment & Shipping Terms:
Minimum Order Quantity: 200 pcs
Price: USD 0.015 - 0.1 / pcs
Packaging Details: 2000 pcs each bag , 5 bags each carton
Delivery Time: 25 days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 5000 000 pcs per month
Detailed Product Description
Material: Steel Thread: M4
Length: 12 Color: Black
Grade: 10.9 Point: Ball
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screws and fasteners


hardware fasteners


grade 10.9 ball point set screw


Black Oxide Steel Ball Point Set Screw M4 Hex Socket Harden Fastener Grade 10.9


Ball point set screw is called plunger screw as well , it is one of the best fasteners for mechanical trasimit in industry .set screw has a hexagonal socket for driven by a hex key or hex wrench , and a steel round ball is put into end of the set screws when a spring was insert hole of set screw . this deisgn makes round ball can be adjusted distance according to pressure of the object .


Ball point set screws are made of alloy steel with hardening grade 10.9 , they are capable of heavy duty and hard working surroundings .


Set screw with ball point that easily solve problems of adjusting pressure and location of working pieces during assembly .the materials of round ball can be carbon steel , stainless steel or plastic etc for different applications .




Set screw are coated in black oxide , besides , zinc , nickel , dacromet and brass etc finishes are available as well .


Technical Data


socket depth  
socket width  
hardness HRC  




1 . Harden material with high tensile strength .


2 . Suitable for heavy duty application 


3 . Improve efficiency of assembly .


Ball point set screws are combination of ball and screw , workers do not assemble parts seperately .


4 . Quick location 


5 . Adjust pressure automatically 




Ball point set screws are similar with concave point set screws for specifications , ball point type is based on concave point type .


Thread Length socket ball diameter ball head height 
M3 3-6 1.5 1.5 0.5
M4 5-10 2 2.4 0.65
M5 8-12 2.5 2.5 0.8
M6 10-16 3 3.5 1
M8 10-20 4 5 1.5
M10 16-25 5 6 1.8
M12 18-36 6 8 2



Working load


Harden steel ball  point set screws have requested working load and temperature for different specifications 


Specification Working temeprature ( max ) Loading (N)
M3 250 2.45-4.45
M4 250 2.5-6
M5 250 3-6.5
M6 250 5.5-11.5
M8 250 7-12.5
M10 250 8.5-18.5
M12 250 25.5-39.5


Custom service


Normally , ball point set screws are made according to DIN , GB or ISO standard and ANSI standard for ASME dimensions . custom designs for us including material , dimensions , finish , framework and hardness .


Packing details


Normally , we packed set screw in small plastic bags , and then into chipboard cartons , the gross weight of each carton is about 15 kgs and dimension for box is 25 x 20 x 15 cm . we accept custom packing .


Contact Details

Contact Person: MR.LIN

Tel: +8613556778272

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