Drilling HSS twist drill bit

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{"cid":"69597","pid":"17090925","pimg_url":"\/\/img1.tradegrowthhub.com\/3e\/82\/f0c8ca9341b2\/product\/50803896_s-w400xh400.jpg","name":"M2 6542 HSS Iron 4mm Twist High Speed \u200b\u200bSteel Drill Bit For Metal Iron Drilling Aluminum","attrs":{"Price":"$0.16(>=10 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"FEWELL"}}

{"cid":"69597","pid":"17090906","pimg_url":"\/\/img1.tradegrowthhub.com\/3e\/82\/f0c8ca9341b2\/product\/50803797_s-w400xh400.jpg","name":"M2 6542 HSS Iron 6.5mm Twist High Speed \u200b\u200bSteel Drill Bit For Metal Iron Drilling Aluminum","attrs":{"Price":"$0.42(>=10 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"FEWELL"}}

{"cid":"69597","pid":"17090886","pimg_url":"\/\/img1.tradegrowthhub.com\/3e\/82\/f0c8ca9341b2\/product\/50803693_s-w400xh400.jpg","name":"M2 6542 HSS Iron 4.5mm Twist High Speed \u200b\u200bSteel Drill Bit For Metal Iron Drilling Aluminum","attrs":{"Price":"$0.20(>=10 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"FEWELL"}}

{"cid":"69597","pid":"17090868","pimg_url":"\/\/img1.tradegrowthhub.com\/3e\/82\/f0c8ca9341b2\/product\/50803596_s-w400xh400.jpg","name":"M2 6542 HSS Iron 5.2mm Twist High Speed \u200b\u200bSteel Drill Bit For Metal Iron Drilling Aluminum","attrs":{"Price":"$0.26(>=10 Pieces)","MOQ":"10 Pieces","Delivery Time":"Negotiable","Brand":"FEWELL"}}