1. PDC Matrix Body bit Type and feature PDC bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type Bit Diameters: 5 7/8",6",6 1/2",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4",etc.Body type: Matrix or Steel Cutter Sizes:5/16"(8mm),1/2"(13mm),5/8"(16mm),3/4"(19mm),etc. Blades:2~9 Wings. 2. PDC Matrix Body Core Bit Type and feature PDC core bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type 75/54mm,94/74mm,113/89mm,113/109mm,153/129mm,215/105mm,etc. 3. PDC Steel Body Bit Type and feature PDC bit can be customized for oil well,water well, mining, explorer well drilling. Suitable formation Various of hardness rocks or mud except the hardest hardness or ununiform rocks like cobble. Main type Bit Diameters: 5 7/8",6",6 1/2",8 1/2",9 1/2",9 5/8",9 7/8",12 1/4", etc. Body Type: Matrix or Steel Cutter Sizes:5/16"(8mm),1/2"(13mm),5/8"(16mm),3/4"(19mm),etc. Blades:2~9 Wings 4.PDC Drill Bit Body & Cutters Welding PDC body(matrix) Customized. Wings: 2~9. Main Diamters:65mm,75mm,94mm,113mm,133mm,152mm,215.9mm,311.1mm etc. 2.PDC body(steel) Customized. Wings: 2~9. Main Diamters:65mm,75mm,94mm,113mm,133mm,152mm,215.9mm,311.1mm etc. Core bit body(matrix or steel) Main Type:75/54,94/74,113/89,113/109,153/129mm,110/215.9mm, etc. 4.PDC cutter and Welding OEM PDC Cutters Type : 5/16"(8mm), 1/2"(13mm), 5/8"(16mm), 3/4"(19mm).