Same. Good stuff. If I need to make the hole larger than 1/2" I just use a dremel sanding drum to enlarge after the initial 1/2" drill hole.I get all my acrylic bits from eplastics:
Drill Bits for Drilling Plastic Materials In Stock at ePlastics
Drill Bits for Drilling Plastic Materials In Stock at ePlastics. Fast Shipping.www.eplastics.com