40cr hole saw for masonry

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{"cid":"144889","pid":"24817154","pimg_url":"\/\/img1.tradegrowthhub.com\/0b\/64\/e79a89fb84cb\/product\/86450437_s-w400xh400.jpg","name":"Mansonry SDS Max Cutter CTT Tunnel Hammer Drill Bit Break Through Concrete Milling","attrs":{"Price":"Negotiable","MOQ":"100.0 Pieces","Delivery Time":"Negotiable"}}

{"cid":"144889","pid":"24817144","pimg_url":"\/\/img1.tradegrowthhub.com\/0b\/64\/e79a89fb84cb\/product\/86450393_s-w400xh400.jpg","name":"Mansonry SDS Max Cutter CTT Tunnel Hammer Drill Bit Break Through Concrete Milling","attrs":{"Price":"Negotiable","MOQ":"100.0 Pieces","Delivery Time":"Negotiable"}}

{"cid":"144889","pid":"24817137","pimg_url":"\/\/img1.tradegrowthhub.com\/0b\/64\/e79a89fb84cb\/product\/86450334_s-w400xh400.jpg","name":"Mansonry SDS Max Breakthrough Tunnel Bits Concrete Milling Cutters","attrs":{"Price":"Negotiable","MOQ":"100.0 Pieces","Delivery Time":"Negotiable"}}