29Pcs Cobalt Drill Bit Set, 135 Degree Tip High Speed Steel with Black and Gold Finish, Stainless Steel, Plastic and Wood with Metal Indexed Storage Case 1/16"-1/2"
High Quality Material: The combination of high-speed steel black and gold oxide finish increases drill bit's corrosion resistance and wear resistance.
Features: Round straight shank,Self-centering design prevents walking,fully ground twist design ensures a drilling performance by decreasing friction,easily for drilling materials includs stainless steel,cast iron,Alloy,Wood and hard plastics.
Efficient Processing:135째split design,automatic centering of the quick cutting point,low pressure,fast penetration,and reduced deviation,twist design allows for smooth removal of debris.
Quality Commitment:If for any reason you are not satisfied with your purchase,please contact us.We provide 30-day money back.100% Satisfaction Guarantee for risk-free shopping!
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For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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