You can also use it to measure angles for objects with slopes.
You can use it to measure effectively from both inside and outside a product. Other gaging There are many other mechanical inspection gages in. The mitre protractors are ideal for carpenters, plumbers and all building trades that require the measuring and transferring of angles. The last in the bunch of the best angle finders is this plastic angle finder by General tools. STARRETT 505A-12 360 Range, 1 Number of Pieces Prosite Protractor. The combination protractors take the guesswork out of these functions: mitre cuts, single cuts, compound mitre cuts, included conversion table, protractor and roof pitches. The 359, with its 360 scale and fine-adjust, is clearly "the one to have" if you are gonna use it for layout.Ī new question has arrisen with regard to these protractors: Why are the ends of the straightedge cut off at different angles ? One end is a 30 degree angle, and the other end is a 45.The popular Pro-Site™ 505 protractor family consists of two 300mm (12″) combination protractors, a 300mm (12″) mitre protractor and two 175mm (7″) mitre protractors. One is one the scale, the other is on the blank area, unless you are right at 0 or 180) (Only one vernier is useable at any time because of the 180 degree main scale. FSN 521 CALIBRATION PROCEDURE FOR PRECISION LEVELS, STARRETT. (They are adjustable with tiny screws) A strength of the 364 is that in some applications, you might have to stand on your head to read a 359 whereas a 364 will have the active vernier upright. 77 CALIBRATION PROCEDURE FOR PROTRACTOR, BLADE, MODEL PE - 105 CALIBRATION. The 359 has a 360 degree main scale, thus requiring only one vernier scale.Īn obvious drawback of the 364 is that both scales have to be correctly calibrated.
The protractor is one of the most valuable and useful tools for the kit of every good toolmaker, inspector or machinist. The Starrett C183 Steel Protractor is a highly useful and accurate tool for setting bevels, transferring angles, small squaring tasks, checking cutter clearances within certain limits, and many other applications. This is necessary because the 364 has a 180 degree main scale. The Starrett C359 Vernier Protractors include the C359BZ (7), C359DZ (12), & C359FZ (7 and 12). Starretts award-winning ProSite 505A-12 12-Inch Miter Saw Protractor is ideal for anyone who regularly measures and transfers angles, from professional. The Starrett C183 Steel Protractor is a highly useful and accurate tool for setting bevels, transferring angles, small squaring tasks, checking cutter. It's interesting to note that the 364 actually has TWO vernier scales, 180 degrees apart. In addition to the standard protractor functions for measuring angles and calculating bisected, complementary and miter angles, this digital protractor also calculates rake and bevel angles at the touch of a button, greatly simplifying miter saw settings in crown molding work. Thank you for that helpful summary of your catalog research. Starrett ProSite Miter Protractor Angle Finder with Two Laser Engraved Scales - Ideal for Carpenters, Plumbers, and DIY Home Improvement - 12' Aluminum - 505A-12 4.
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