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 This large 4" spoilboard surfacing bit is designed for use with router sled setups, & suitable for cnc machines.

 On this bit, you will never need to get your cutting edges professionally sharpened, thanks to the 4 sided replaceable inserts. Simply loosen the screw, rotate 1/4 turn, & retighten screw for a brand new, razor sharp cutting edge.

 The bit comes with 1 set of inserts already installed.

Spoilboard Insert Carbide 4 Wing, Surfacing Router Bit

SKU: SB4-4WingBit

Amount of inserts required = 4 

Insert Size: 15 x 15 x 2.5-square (R150 will not fit)

Shank diameter: 1/2"

Bit diameter: 4"

Cutting depth per pass: 1/8"

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