cleaning bottom bit 1, Material: solid carbide. 2,High hardness, good wear resistance; ... wood2,Big space grinding3,Material : solid carbide4,Carbon steel body, TCT tips5,Customized TYPECEDCELSHKOVLQD308853.17540QD6101012645QD6161612645QD6222212645QD630301512.745Delivery: Shipped by DHL, FEDEX, TNT ...