BT30 ER20 2.76" 70 4PCS SET Collet Chuck Tool Holder 12000RMP For CNC Milling

Description

BT30 ER20 2.76" 70 4PCS SET Collet Chuck Tool Holder 12000RMP For CNC Milling
Description
For CNC chucks or holders for drilling and milling machines.
Specifications
Product Type:  BT30 ER20
Material: 40Cr
Max Speed:  12000 RPM
Accuracy: 0.00012"-0.0002" (0.003-0.005 mm)
Processing Length:  2.76" (70 mm)
Draw Bar Threads: M12
Color: Black & Silver
Quantity: 4 pieces
Feature:
1、BT30 ER20 chucks are widely used in industry fields with gage/processing length of 2.76" (70 mm). Each of them is hardened and grounded to ensure its accuracy, which ranges from 0.00012" to 0.0002" (0.003-0.005 mm).
2、Brand new collet chucks for ER type. The flexibility of the ER holder can clamp drills, reamers, end mills, taps and much more. This holder use the standard ER 20 collets. It is possible to use different types of nuts while using the same holder and collets. Standard, M type and bearing type, they offer stronger holding and reduce vibration of the tool.
3、All chucks have passed hardness and anti-crack test. Low strength steel could lead crack and rust very soon, especially by the inside pocket area, accuracy will also drop only after a little while, so make sure avoid purchasing bad quality and unbalanced chucks.
4 x BT30 ER20 Collet Chuck
Note:
CNC tool placement collet, must go beyond the collet hole effective clamping length, to avoid improper locking, resulting in the loss of.
Use the correct wrench device, can not be arbitrarily changed so as not to cause damage.
Do not use the rod with a notch or a plane of the CNC cutting tools.
Do not air lock (not inserted in the chuck Holder)
CCCBD8155
We have other holders & collet chucks & pull stud available at my ebay store! Welcome to the store to watch!
Shipping
Paypal, Visa, and MasterCard are the accepted forms of payment.
Please use the eBay checkout system when paying for your order.
Immediate payment is required for all orders.
Fast & Free Shipping.
We process your order within 2-3 business day upon clear payment.
(note: NOT counting holidays or weekends)
Return Policy
30 days warranty after parcel is delivery (according to online tracking history).
Please contact us if item is defective or damaged during transport,please given photographic proof by customer via eBay message.we wil arrange exchange or refund according to buyer's require once approved,please don't open request before communicating.
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