Router Bits › Diamond 90 degree Tip Bit Image 1 of 1 Diamond 90 degree Tip Bit $25.00 Purchase Added! Replace bit of the Engraving bit. Related Products DWC03-1/4 Ball Round Nose Bit $19.50 1/8" (.125) Ball Nose End Mill $10.00 RU2075 1/4" Up-cut Spiral Solid Carbide 2 flute Bit $23.00 Whiteside 1370 Bowl & Tray Bit $29.00 SC66 WS 1/8" Solid carbide 4 flute tapered ball nose bit $55.00