High Precision Pull Stud ANSI Lda Retention Knob

• Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool
• Standard: GB, EN, China GB Code, JIS Code, TEMA
• Surface Treatment: Powder Coated
• Model NO.: LDA-30/40/50/45
• Production Type: Mass Production
• Machining Method: CNC Machining
• Material: Steel
• Video Outgoing: Provided
• Machinery Test R: Provided
• G.W: 0.2kg
• Lead Time: 3-30 Days (1 -1000 Pieces)
• Hardness: Center Shaft HRC45-50
• Color: as The Customer Required
• Inspection: 100% Inspection
• Customized: Customized
• Type: Cutting Tool
• Transport Package: Paper Box
• Specification: LDA-30/40/50/45
• Trademark: None
• Origin: China
• HS Code: 84661000
• Production Capacity: 10000pieces/Month

Product Description

 

Product Description

Retention Knobs - Pull Studs

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• Retention Knobs, also called Pull Studs are the link between the machine drawbar and the toolholder.
• Pulling forces can reach up to 1200 lbs for BT30, 2300 lbs for 40 taper, and up to 5000 lbs for 50 taper
• Our retention knobs are made in the USA by MariTool from H-13 tool steel. H-13 is tougher and harder than 8620, 9310 and 4140 alloys that are commonly used by other manufacturers
• All of our Retention Knobs have pilot diameters that help improve concentricity
• Retention Knobs do not have an infinite life

Product Parameters

Order No.	D1	D2	M	L	L1	L2	H	H1
LDA-30	9.78	13.21	1/2"-13	27.94	11.68	8.13	2.54	1.01
LDA-40	12.45	18.80	5/8"-11	38.10	16.26	11.18	3.05	1.52
LDA-45	15.37	23.88	3/4"-10	45.72	20.83	14.73	4.06	2.03
LDA-50	20.83	28.96	1"-8	58.42	25.4	17.78	5.08	2.54

 

Detailed Photos

 

 

 

Packaging & Shipping

 

Company Profile

DOUCHUAN is located in the largest production base of machine tool accessories industry cluster in mainland China. We mainly produce various machinery accessories. Our mainly products CNC tool series such as CNC tool holders, live centers, spring collets, boring heads, milling chucks, drill chucks, morse taper adapters, shell end mill tool holder, pull studs, modular vises, tool vises, 3-jaw / 4-jaw chucks, dividing head, working table, parallel block set, quick change tool post and tool holder, VDI tool holder, dead & liver centers, small grinding machine and so on. Our products are sold to USA, Germany, Britain, France, Italy, the Netherlands, Canada, Brazil, Russia an Southeast Asia, and more than fifty countries and regions. Warmly welcome to visit our company.

 

FAQ:
1: Are you a factory or trading company? 
We are a professional manufacturer of precision machinery accessory for more than 10 years. Welcome to visit our company. We guarantee our products are factory competitive price 
2: Do you produce special products? 
Yes, OEM or ODM is available.  
3: Do you accept low volume for sample order? And what's your MOQ for special tools? 
Yes, we do. For sample order, MOQ one piece is accepted, and the sample lead time is 3-5 days. It can be negotiated for special requirement. 
4: If we want to work with you, is it possible to get confidentiality? 
Sure, all your information including company info, drawings, PO details will be kept confidential, we can signed NDA if you want (non disclosure agreement). 
5: What's your items lead time? 
It depends on the inventory availability, if items needed are in stock, it can be shipped within 24 hours. But if not, usually our items lead time is about 7 days.