3-5/8 in. Dia. SPEEDemon Self Feed Bit

3-5/8 in. Dia. SPEEDemon Self Feed Bit Precision Heat Forged 2-Cutter Head made from premium steel on fully-automated equipment delivers quality and consistency for smooth drilling and up to 2X longer life & 2X more holes per battery charge Aggressive Low Thread Count Feed Screw prevents pitch build-up for hi-performance cuts and up to 2X faster hole making Feed Screw with Pull Out Stop design prevents the feed screw from slipping out when the bit is removed from the material