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Din69871 Cnc Pull Stud Retention Knob Sk30/40/50 With Or Without Coolant

Basic Information
Place of Origin: CHINA
Brand Name: QFMH
Model Number: SK30,SK40,SK50
Minimum Order Quantity: 10PCS
Price: USD 1-2/PCS
Packaging Details: PLASTIC BOX
Delivery Time: 5DAYS
Payment Terms: L/C, D/P, T/T, Western Union
Supply Ability: 1000PCS/MONTH
AppliCATEion: CNC Milling Machines Material: 20CrMnTi;
Hardness: 54-57HRC; Pull Stud Type: DIN69872
Surface Treatment: Black Oxide Coating Thread Size: M12
Weight: 0.1kg Package: Plastic Box Or Customized
Taper: DIN6987240
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din69871 cnc pull stud


sk30 cnc pull stud

Din69871 Retention Knob SK30/40/50 CNC Pull Stud With Or Without Coolant


Pull stud by SK standard,Working principle of toolholder pull stud: one end of the pull stud is connected with the bayonet of the machine tool, and one end is connected with the toolholder. Part D is clamped in according to the degree of the bayonet of the machine tool, and part G has threads and the toolholder is tightened Through the axial force transmitted by the pull rod, the pull rod joint and the pull pin, the tension of the toolholder is realized. When changing the knife, it is required to loosen the knife handle When the pull pin is installed on the spindle of an ordinary machine tool or a numerical control machine tool, the arc joint of the rod body is connected with the front end of the pull rod structure, and the screw joint of the pull pin is connected with the screw hole in the tool handle extending into the spindle hole, which realizes the use of the tool handle on the ordinary machine tool and the numerical control machine tool, so that the tool handle can be applied to both the machining center and the ordinary machine tool and the numerical control machine tool, and improves the versatility of the tool handle, The production cost is reduced


SK Pull Stud SpecifiCATEEions
1)SK Pull Stud material: alloy steel
2).Din 69872 Pull Stud Size:SK30,SK40,SK50
3)SK Pull Stud coolant or without coolant
4)Hardness:HRC44-48 or HRC48-52 as per material
5)Cnc Pull Stud model type:SK

6)Din 69872 Sk Pull Stud AppliCATEEion: Milling Machine, Drilling Machine, Boring Machine

7)The hardness of threads and other parts is low: 35 +5HRC,( 57150368,the core hardness of protective handle threads can withstand impact);
8)Retention Knobs Pull Studs Cryogenic treatment and thermal aging treatment can reduce residual stress and improve durability and precision stability.
9)CNC Pull stud Applying surface coating technology to improve the wear resistance of the surface, better anti-rust and anti-corrosion effect, more stable accuracy, smoother surface and more beautiful appearance.



SK30A/B 13 9 13 M12 44 24 19
SK40A/B 17 14 19 M16 54 26 20
SK50A/B 25 21 28 M24 74 34 25





1.What kind of characteristic of your company?

We are both manuafcturer and exporter.


2.Can you supply samples?

Yes,we can.


3.Can you produce products according to our requirement?

Yes,we can.


4. About Shipping

Port: Shanghai/Ningbo/Guangzhou/Shenzhen/Hongkong
Shipping : By Air, By Sea or By Express
Shipping Time : 4-10days By Express
Different Area will spend different shipping days
7-15days By Air
25-55days By Sea
Trade Terms FOB, CIF, EXW, CFR, DDU...

5. product warranty

One year warranty


6.What's your payment terms?



Workshop and Warehouse Corner

Din69871 Cnc Pull Stud Retention Knob Sk30/40/50 With Or Without Coolant 1Din69871 Cnc Pull Stud Retention Knob Sk30/40/50 With Or Without Coolant 2

Contact Us

Name: Shandong Jining Qingfeng Machinery Hardware Co. Ltd.

Pho: +86-13705473076

Tel: +86-537-3281595

Fax: +86-537-3281597


Address: NO.47 Jinyu Road, Jining, Shandong

Contact Details

Phone Number : 13705473076

WhatsApp : +8613705473076