21. Set screw collars are best used when the material of the shaft is softer than the set screw.22. In these designs, the Tune-o-matic bridge section is also usually fastened to its embedded studs by set screws . 23. In this position, the rear sight is adjustable for elevation via a set screw under the sight arm. 24. The nose, which screws into the body, is held by a set screw and contains the arming-firing device. 25. Knurl point set screws should not be reused because the cutting edges of the knurls are deflected when tightened. 26. It is common to machine small flats onto the shaft at the set screw locations to eliminate this problem. 27. Fittings for non-threaded conduits are either secured with set screws or with a compression nut that encircles the conduit. 28. You can bet Jim wouldn't be signing a requisition to buy set screws for $ 75 . 60 each. 29. The position is fixed using a clamping mechanism based on a cam, a set screw or similar locking mechanism. 30. The anchor plates are bolted to the wall and the escutcheons are fastened to them with hidden set screws .
