Gorilla Grind Drill Bits Pack of all 4 (SIZES - 7mm. 8mm, 10mm & 3/8mm)PSI developed the Gorilla Grind to more easily drill the perfect hole in wood and acrylic pen blanks. These precision ground, highly polished bits have unique fluting that provides superior performance to traditional woodworking bits.• Drills acrylics without cracking, chipping or splitting• Provides a hole with clean entry and no tear-out• Cuts cooler, stays sharper and lasts longer than traditional bits
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Average Customer Review: 2 Reviews
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These are very well made and "sharp" brad point bits. They drill into and through all types of pen making blanks with speed and accuracy. As with most other bits take time to periodically back up and allow the chips to be ejected. Overall I am very happy with these and will hopefully get many years of use out of them.
Really a great deal. The bits are wonderful to get the whole group instead of one at a time. I would recommend to the beginning turner to build your supplies.