Taps, Drills, & Dies Booklet By Robert Porter

$16.95 USD
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89240
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Taps, Drills, & Dies, Inch & Metric: Useful Information for the Watch/Clock Maker and Model Maker

This new guide contains over 65 pictures and many line drawings to show you just about everything the watch/clock maker, model maker, and hobbyist needs to know about inch and metric taps, drills, & dies to complete a project. You are shown step-by-step how to make your own custom-sized drills, how to make a special tap, and how to make a bushing and screw to repair a chronograph watch. Adjustable dies are explained as well. A comprehensive list of drill sizes, as well as quick-reference inch and metric thread charts with suggested tap drill sizes, and other useful information about watch stem and crown threads, pocket watch pendant taps, and much more is included in this handy bench book.

More Product Details

Taps and Dies Explained


TAPS are used to cut screw threads into the walls of a previously smooth cylindrical hole or bore.


DIES are used to cut screw threads into the surface of a smooth rod or other cylindrical stock.


TAP DRILLS are bits of a precise size which are used to bore out cylindrical holes in a material or component before creating screw threads with a corresponding-size tap.


CLEARANCE DRILLS are bits of the correct size for drilling a hole just large enough for the shank of a corresponding-size screw to pass through without touching, such as the hole in a washer. The holes made by clearance drills are not to be tapped.


Example: Use a 00-09 Tap Drill to make a hole in a component which must be joined to another component. Create screw threads in the hole previously drilled into the component with a 00-90 Tap. Use a 00-90 Die to cut threads into a bit of brass rod, making a custom screw. Using a 00-09 Clearance Drill, bore a hole in a circle of brass to create a washer that will be placed between the head of the custom screw and the component.

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We hope you will be completely satisfied with your order...but, if an item does not meet your expectations, you may return it in as-new condition within 30 days of delivery for a replacement, exchange or refund of the purchase price.

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Brand: R.D Porter

Item Weight: 0.4 lb

Item Dimensions: 8 x 5.5 x 0.187 inches

List Price: $16.95

Manufacturer ETA:

Most orders are shipped complete within 2 business days; however, if we must ship a partial order due to an out-of-stock situation, merchandise will not be charged to your credit card until shipment is made.

We hope you will be completely satisfied with your order...but, if an item does not meet your expectations, you may return it in as-new condition within 30 days of delivery for a replacement, exchange or refund of the purchase price.

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