ITEM NAME:2Pcs 1/4'' Shank T-Slot Cutter Router Bit Set for 3/8'' & 1/2'' Hex Bolt BX.The blade more sharp and durable, it's head adopt arc curve design,beneficial to chip removal, perforation is more efficient. 1/4"(6.35mm). Body Material: Solid Hardened Steel. Enable woodworkers to drill holes without passing through the material when a clean and precise bottom to a hole.
