Product Description 1. Categories of BT40 Retention Knobs Pull Stud Dimensions: B type (carburizing and quenching common pull stud) A type（carburizing and quenching high quality product pull stud) AA type（high quality material competitive pull stud） 2. Tooth: black tooth,all black and white tooth 3. Standard: Japanese Standard Pull Stud MAS 403-1975 4. Certification: ISO9001, CE

Product Name	BT40 Retention Knobs Pull Stud Dimensions
Material	High-quality low-carbon alloy steel,SNCM220H
Type	BT Standard
KG	0.08kg/0.07kg
Thread	M12,M16,M20,M24,M30
Angle (G)	45 deg. 60 deg. 90 deg.
MOQ	1000$

Detailed Images Machine Parts Name: Flange - Black Oxide? Brand: SFX? Original: China? Milling and polishing ensure the smooth of the flat.
Main Features Name: Head
Brand: SFX?
Original: China
Thrust surface and non-thrust surface are achieved by one time cutting. It ensures the accuracy and smooth.
Machine Parts Name: Thread
Brand:SFX
Original: China
Unique patented design of appearance makes thread more beautiful and easier to process. The polishing process ensures thread smooth and a long life.
Products Features Product Features
1. Each pull stud is tested throughly which ensures the quality of the pull stud
2. Made from fine alloy steel 20CrMnTi with treatment to HRC 53-57
3. Hard outside and soft inside, with higher wear resistance and better toughness
4. High quality black oxide ensures long pull stud life and a non-rusting surface
5. Precision turning on all critical surface
6. Large selection for specific machine models, custome design accepted
Products Show Excellent products origin from the strict checks
1. Strictly control material source?
2. Strictly control material inspection?
3. Strictly control processing precision
4. Strictly control inspection?
5. Strictly control heat treatment?
6. Strictly control burr chip?
7. Strictly control surface treatment
8. Strictly control corrosion resistance
9. Strictly control batch
Our Company Factory Our Factory Workshop Our Workshop Warehouse Our Warehouse Team Our Team Our Certifications About XINCHENG The company passed through ISO9001-2000 product quality certification and CE certificate.It is the standing director member of China Metal Cutting Tool Engineering Association (CMCTEA) and the member of China Machine Tool Industry Association.
FAQ Q: Are you trading company or manufacturer ? A: We are manufacturer.
Q: How long is your delivery time? A: Generally it is 1-3days if the goods are in stock. or it is 5-15 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ? A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ? A:T/T,Paypal
If you have another question, pls feel free to contact us.