Nx Diamond Core Drill Bits - Diamond & Steel, 1"~25" Sizes, Silvered/coppered Welded | Precise Cutting, Durable, Versatile

We are a preferred name in exporting NX Diamond Core Drill Bits. Brief Introductions: 1.Technical:Silvered Welded and Coppered Welded 2.Grit size :Different cutting purpose with different diamond grits# 3.Sizes:1" ~ 25" (25mm ~ 600mm) etc 4.The colour and segments sizes could be made as customera s requirements Name Diamond Core Drill Bit HS code Process Silvered Welded and Coppered Welded Material Diamond & Steel Abrasive Diamond Packing 1pcs / Carton Size Sizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11. OEM/ODM Available Type code Any colour and segments sizes are available for DIY design. Usage Reinfore Concrete, Cured Concrete,Green Concrete, Brick Sample Cost Depends on the sizes, please contact us to discuss further Outside Diameter & tube length Size of slot Slot Qty Wall Thickness Application 20mm(3/4") with 90mm 12x8X3.0 3 1.8 Dry/wet Cut 25mm(1") with 90mm 12x8X3.0 4 1.8 Dry/wet Cut 30mm(1 1/5") with 90mm 15x10x3.0 4 1.8 Dry/wet Cut 35mm( 13/8") with 90mm 15x10x3.0 4 1.8 Dry/wet Cut 40mm( 1 3/5") with 90mm 15x10x3.0 5 1.8 Dry/wet Cut 50mm(2") with 90mm 24x10x3.5 5 1.8 Dry/wet Cut 56mm(2 1/5") with 90mm 24x10x3.5 6 1.8 Dry/wet Cut 60mm (2 2/5") with 90mm 24x10x3.5 6 1.8 Dry/wet Cut 65mm (2 3/5") with 90mm 24x10x3.5 6 1.8 Dry/wet Cut 70mm (2 3/4") with 90mm 24x10x3.5 7 1.8 Dry/wet Cut 75mm (2 19/20") with 90mm 24x10x3.5 7 1.8 Dry/wet Cut 82mm (3 1/5") with 90mm 24x10x3.5 8 1.8 Dry/wet Cut