Reference Table For Tap And Drilling, General Tools 715. GN715 Features: -Reference table. -Essential tap drill and decimal equivalents reference table for toolmakers, machinists and mechanics. -Front has machine screw size tap drill chart for recommended 75% depth thread. -Back has decimal equivalents table in 64ths from 0.02'' to 0.98''. Dimensions: Overall Product Weight: -0.01 Pounds. Product Features DOUBLE SIDED TOOL: This guide features a Tap Drill Depth Chart, decimal conversions from 1/64" to 63/64" and a ruler graduated in 64ths FRONT SIDE: Front side has a machine screw size tap drill chart for recommended 75% depth thread. BACK SIDE: Features a decimal equivalents table in 64ths from 1/64" to 63/64". 6 INCH RULER: Graduated in 64ths. WORKS WITH: National Fine, National Course, American Standard Pipe and metric threads. ESSENTIAL TOOL: Essential tap drill and decimal equivalents reference table for toolmakers, machinists and mechanics. GENERAL TOOLS: We're a recognized leader in designing and developing specialized precision tools dedicated to delivering exceptional customer service. We encourage artisans and DIYers to work smarter, measure better, and repair more productively. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!