Black Diamond Core Drill Bits

An excellent quality range of

Black 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

NameDiamond Core Drill Bit HS code
ProcessSilvered Welded and Coppered Welded MaterialDiamond & Steel
AbrasiveDiamond Packing1pcs / Carton
SizeSizes of adaptor for threaded bit:M14,M16, G1/2",5/8"-11. OEM/ODMAvailable
Type codeAny colour and segments sizes are available for DIY design.
UsageReinfore Concrete, Cured Concrete,Green Concrete, Brick
Sample CostDepends on the sizes, please contact us to discuss further





Outside Diameter & tube lengthSize of slotSlot QtyWall ThicknessApplication
20mm(3/4") with 90mm12x8X3.031.8Dry/wet Cut
25mm(1") with 90mm12x8X3.041.8Dry/wet Cut
30mm(1 1/5") with 90mm15x10x3.041.8Dry/wet Cut
35mm( 13/8") with 90mm15x10x3.041.8Dry/wet Cut
40mm( 1 3/5") with 90mm15x10x3.051.8Dry/wet Cut
50mm(2") with 90mm24x10x3.551.8Dry/wet Cut
56mm(2 1/5") with 90mm24x10x3.561.8Dry/wet Cut
60mm (2 2/5") with 90mm24x10x3.561.8Dry/wet Cut
65mm (2 3/5") with 90mm24x10x3.561.8Dry/wet Cut
70mm (2 3/4") with 90mm24x10x3.571.8Dry/wet Cut
75mm (2 19/20") with 90mm24x10x3.571.8Dry/wet Cut
82mm (3 1/5") with 90mm24x10x3.581.8Dry/wet Cut