Overview Product Description The Kreg Jig HD Drill Bit is 1/2-Inch, one piece design constructed from the same hardened steel as our standard drill bits. Product Videos Custom Field Product Reviews Write a Review Write a Review × Kreg Kreg Tool Company KJDHD Jig HD Drill Bit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *