WebSep 7, 2024 · A spotface is a very shallow flat-bottomed cylindrical hole that is larger than and coaxial to another cylindrical hole. Its purpose is to provide a flat mounting surface … WebPresident at NMP Products (1970–present) Author has 1.1K answers and 271.7K answer views 5 y. Counterbore is generally deep enough to position the head of a fastener below the surface of a part. Spotface is …
Counterbore vs Countersink. Differences, Strength & Uses - Fine …
WebAs nouns the difference between counterbore and spotface is that counterbore is a cylindrical recess, typically machined around a hole to admit a screw so that it sits flush … WebOct 21, 2024 · Basic types of symbols used in engineering drawings are countersink, counterbore, spotface, depth, radius, and diameter. Here are more commonly used engineering drawing symbols and design elements as below. You can also check out the GD&T symbols and terms on our site. ram mounts keyboard
Spotfaces - All About - MachinistGuides.c…
WebDec 24, 2024 · For both a spotface and a counterbore, the diameter of the planar surface must be sufficient to accommodate the diameter of the washer or the head of the fastener. If the diameter of a counterbore is measured within spec, but a large corner radius at the bottom of the counterbore makes the diameter of the planar surface too small to … WebKeep counterbores in various sizes on hand to drill and counterbore holes with enough clearance for socket head cap screws without changing tools. Drill-Bit Counterbore Sets Convert standard jobbers’ and brad-point drill bits into counterboring drill bits that drill and counterbore at the same time. WebFeb 16, 2024 · Counterbores are used to recess bolts, washers and other fasteners. Countersink vs spotface. Spotface example. A spotface has a flat bottom like a counterbore while a countersink is angled. A spotface … overland park auto body repair