mosquitoes & non-biting gnats
The covered keyway offers maximum weather protection
These holes are offset 1/8' from that of the locking cylinder hole
Multiple windings for superior shape retention
and other building materials
Spyder 1-7/8" Tungsten Carbide Tipped (TCT) Non-Arbored Hole Saw Rapid Core Eject® Size:1-7/8" mosquitoes & non-biting gnatsUp to 10x more cuts and up to 5x faster than standard bi metal hole saws Spyders Rapid Core Eject arbor system ejects cores without prying, quickly changes diameter, cuts at an angle, and enlarges existing holes Drill wood, MDF, plywood, fiber cement board, porous concrete block, some brick, plastic, PVC and more Product Details Spyders Tungsten Carbide Tipped (TCT) hole saws cut more materials up to 5x faster and make up to 10x more cuts lasting