Sinoprotools Spiral Flush Trim Router Bits, Solid Carbide 1/4" Shank Down Cut 1/4"X1/4"X1 1/8"X3"(1 Bits)

【Size】Down-Cut 1/4"X1/4"X1-1/8"X3"，left hand spiral,cause the chip flow to be directed downward. 【Extreme Durability】Sinoprotools Solid Carbide Spiral Flush Trim Router Bits with C3 Micro-grain Tungsten Carbide. C3 Carbide HRA92 hardness is 3 times service life than normal carbide YG8/HRA89. 【Cleaner Edges】It significantly outperform standard flush trim router bits and excel where standard flush trim bits are lacking producing extremely smooth finished surfaces on some of the most demanding materials and applications. 【Permanent Bearing Designed】The flush trim router bits 1/4 shank redesigned with permanent bearing retaining collar to ensure smooth running,reduce trimming mishaps,largely reduces chipping. 【Wide Range of Use】The spiral flush trim bits perform well on all types of woods including, plywood, MDF, solid woods, plastic laminates and non-ferrous metals. It can be used with table mount and handheld router with 1/4" collet.