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Spiral Stripes Diamond Bit Different Shape and Grits Material Steel Stainless, US $ 0.63 - 0.63 / Piece, Nail Drill, Stainless Steel, Diamond Bit, China.Source from Shanghai Chiyan Abrasives Co., Ltd. on Waimaotong.com.
Diamond hole Porcelain drill bit sandstone cutting bits/ Hole cutter M14 diamond core drill bit
Diamond Bit Flame Shape Top Ten Products Origin Type Feature Material
M14 diamond tools cutting bit tiles diamond core drill bit set
20mm 32mm 35mm sintered diamond core drill bit for dry drilling of granite