Cheap And Discounts BT30 BT40 ER11 ER20 ER25 ER32 ER40 70L 100L BT30 ER25 ER20 ER16 for CNC Milling Machine High precision spindle holder Wholesale. Buy Directly From Merchant Red Metal Fittings Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.