Your state government probably maintains a database of drillers' logs that have water levels recorded when a well was drilled, and hydrologic consultants often have reports that contain water level data from shallow boreholes.Ĭonsulting any or all of these sources is a good first step in finding out the depth to the water table.Use their Data Portal to zoom in to your area of interest and click on any site. The National Groundwater Monitoring Network is a compilation of groundwater monitoring wells from federal, state, and local groundwater networks across the nation.Click on any red groundwater pin to access the data (need to zoom in to change the dots to pins). A convenient way to find data for your area is by using the NWIS Mapper and selecting 'Groundwater Sites' in the menu on the left. The USGS National Water Information System (NWIS) has depth-to-water measurements made in the present and the past.The most reliable method of obtaining the depth to the water table at any given time is to measure the water level in a shallow well with a tape. If no wells are available, surface geophysical methods can sometimes be used, depending on surface accessibility for placing electric or acoustic probes.ĭatabases containing depth-to-water measurements can also be helpful, though they don't always have current data: When water-loving plants start to grow again in the spring and precipitation gives way to hot, dry summers, the water table falls because of evapotranspiration. During the late winter and spring when accumulated snow starts to melt and spring rainfall is plentiful, water on the surface infiltrates into the ground and the water table rises. Note:Use only in a table-mounted router at reduced RPMs. Your goal is to have A and B equal to each other. Align the centerline of your stock as shown in Fig. Its offset foot helps the gauge avoid the bit opening in the fence.The depth to the water table can change (rise or fall) depending on the time of year. Set the initial router bit height by using a piece of your stock as a reference. For example, if you wish to cut a groove, just measure from the center of the groove to the edge of the board, and set the gauge to that distance. The tool’s fence niftily registers off the center of a bit via notches that slip around bits with either 1⁄4-in.

Adjusting the router table’s fence is where this gauge really shines, though. The broad foot at the end of the scale makes the tool stable. The Rockler Router Bit Center Depth Gauge ( enables users to quickly set the fence on a table-mounted router or an edge guide on a handheld router an exact distance from the center of the bit, which is essential when routing dadoes, grooves or flutes. To set or measure the cutter height, simply set the movable fence, lock it, and stand the gauge over the bit. Metal rule depth gauge helps set the height of router bits and saw blades with greater accuracy. Shop and get 35 off rockler router bit center/depth gauge at Rockler. The gauge works just as accurately for measuring the height of cutters. Verified and working Rockler discount codes August 2022 at Irish Times Discount. shanks.įlat area works well for setting cutter height. Skip to the beginning of the images gallery.

The notches allow the scale to register off the center of bits with either 1⁄4-in. Metal rule depth gauge helps set the height of router bits and saw blades with greater accuracy. The gauge’s moveable fence, which has a hairline cursor, slides smoothly and locks in place firmly. steel rule etched clearly with both metric and imperial measurements. Rockler’s new Router Bit Center Depth Gauge is a clever product that makes router table fence and bit adjustments a snap.

Rockler router bit center depth gauge