4 pcs 16mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing?Deburring Ferrous Metals?4pcs 6x16 cylinder head? 6X16mm sold2026 COMPLIANCE: ASTM F492-95

COMPLIANCE: ASTM F492-95

The hole of the cap is not opened

3 Inch polishing sanding discs applicate high-quality silicon carbide frosted raw materials are combined with the latex waterproof backing base which use the electrostatic sand planting technology makes the frosted surface smooth

easy-to-use and made from high quality materials that are built to last

Thread Coating: 516 Dry Tape Thread Sealant Hex Size (In

4 pcs 16mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing?Deburring Ferrous Metals?4pcs 6x16 cylinder head? 6X16mm sold2026 COMPLIANCE: ASTM F492-954 pcs 16mm Stone Rotary Grinding Bits with 1 4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing? Deburring Ferrous Metals? 4pcs 6x16 cylinder head? Product Name : Stone Rotary Grinding Bits Product Size: Handle Diameter: 1 4inch Head Diameter: 16mm 0. 63inch Material: 80 grit aluminum oxide Package Includes: 4 pieces of Stone Rotary Grinding Bits Product Features High Quality Materials: polishing bit Made of 80 grit aluminum