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JERIDA center drill A-type/B-type drill bit CNC lathe cutting tool positioning fixed-point center hole machining drill
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MODEL
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The A-type drill bit adopts a simple structure without a protective cone, with a 60 ° taper hole directly exposed, suitable for processing lightweight center holes with diameters of 1-10mm, especially suitable for single clamping and rough machining scenarios with low precision requirements. Its structural advantage lies in flexible operation.
B-type drill bits are used for high-precision machining of shaft parts that require the retention of the central hole. Both types of drill bits are made of high-speed steel material.
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Pack
We pack all products following standardized procedures to ensure they are shipped according to our high-quality standards. We make every effort to ensure your product arrives safely at your home.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 10 business days. Please remember it can take some time for your bank or credit card company to process and post the refund too.
If more than 15 business days have passed since we’ve approved your return, please contact us at Lily@yl-cnc.com.