Product information:
Name:142MM 400MM 1-1/4" Laser-welded Diamond Core Bit
Coated:Laser engraved&Polished
Size:142MM 400MM 1-1/4"
Segment thickness:Customized
Processing type:Laser welded
Custom support:OEM,ODM,OBM
Grade:DIY/Professional/Industrial
Usage:For dry /wet drilling
Custom diameter size: 25mm-350mm
Custom length size: 90mm-450mm