0.005 mm Er20 Er Milling Tools Collets Chuck Precision DIN6499 Er High Precision Collets for CNC Tool Holder and CNC Machine Tool Fittings

• Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
• Standard: DIN6499b
• Surface Treatment: Polishing
• Model NO.: ER20
• Production Type: Batch Production
• Machining Method: CNC Machining
• Material: Steel
• Condition: New
• Color: Silver
• Video Outgoing-Nspection: Provided
• Advantage: Convenient Operation
• Shape: Shape
• Customizable: Exchange Tool Quickly
• Applicable Industries: Manufacturing Plant, Machineryrepair Shops
• Accuracy: ≦0.005mm
• Hardness: HRC44-48
• Usage: Er Tool Holder Collet Chuc
• Mode: Er Spring Collet
• Transport Package: Cardboard Box
• Specification: 300mmx300mmx260mm
• Trademark: NO
• Origin: Sandong
• HS Code: 84661000
• Production Capacity: 30000pieces/Ionth

Product Description

High precision Machine Tool Accessories ER8 ER11 ER20 ER25 ER32 ER40  ER50Collets Spring Collets 

1. All types of ER collets conform to the DIN 6499B StandardSturdy construction
2.Made of special elastic steel:65Mn
3.Hardness:HRC44-48 
4.Mode:ER8-ER50
5.Accuracy:  0.005mm   0.01mm, 0.015mm  
6.Packaging:Paper case or plastic case
7. Used for boring, milling, drilling, tapping, grinding and engraving operation etc.

Model	d H7	D	D1	D2	L		L1	L2	L3	Collapsible capacity
ER8	≥1.0~5.0	8	8.45	6.5	13.5		2.98	1.5	1.2	0.5
ER11	≥1.0~7.0	11	11.5	9.5	18.0		3.8	2.5	2.0	0.5
ER16	≥1.0~2.5	16	17	13.8	27.5		6.26	4.0	2.7	0.5
	>2.5~10.0	16	17	13.8	27.5		6.26	4.0	2.7	1.0
ER20	1.0~2.5	20	21	17.4	31.5		6.36	4.8	2.8	0.5
	>2.5~13.0	20	21	17.4	31.5		6.36	4.8	2.8	1.0
ER25	≥1.0~2.5	25	26	22.0	34.0		6.66	5.0	3.1	0.5
	>2.5~16.0	25	26	22.0	34.0		6.66	5.0	3.1	1.0
ER32	≥2.0~2.5	32	33	29.2	40.0		7.16	5.5	3.6	0.5
	>2.5~20.0	32	33	29.2	40.0		7.16	5.5	3.6	1.0
ER40	≥3.0~26.0	40	41	36.2	46.0		7.66	7.0	4.1	1.0
ER50	≥6.0~10.0	50	52	46.0	60.0		12.6	8.5	5.5	1.0
	>10.0~34.0	50	52	46.0	60.0		12.6	8.5	5.5	2.0

Company Profile

DOCHUAN 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, 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.

1.Are you a factory or trading company ? 
We are a manufacturer ,and we also have our own trading company ,we have professional R&D team .sale team .We can provide you the best quality goods and the perfect service .

2.Could you provide non standard products ?
 Yes we can.we can also make and supply the goods as delivered samples or drawing .

3.What is the advantage about your company ?
 Our company has professional team and professional production line .

4.Why should I choose your products ? 
Our products are high quality and good price  and prompt delivery guaranteed.

5.Any other good service your company can provide ? 
Yes ,we can provide good after-sale and fast delivery

6.How can we guarantee quality ?
 We follow our QC manual and inspect all data of our products 100%,And provide warranty service.