Chapter V: =fastening Devices.=

=Bolts=, classification of, from the shapes of their heads 112
Classification of, from the shapes of their bodies 112
Countersunk 112
Holes for, classification of 112
For foundations, various forms of 113
Hook bolts 113
The United States standard for finished bolts and nuts 113
The United States standard for rough bolts and nuts, or black
bolts 114
The Whitworth standard for bolts and nuts 114
=Screws= 114
=Studs= 115
=Set Screws= 115
=Bolts= for quick removal 116
That do not pass through the work 117
That self-lock in grooves and are readily removable 117
Heads and their bedding 117
=Nuts=, the forms of, when they are to be steam tight 118
Various forms of 118
Jamb nuts and lock nuts 119
=Differential Threads= for locking purposes 119
For fine adjustments 119
=Nuts=, taking up the wear of 120
Securing devices 120
Securing by taper pins 121
Securing by cotters 121
Securing by notched plates 121
=Pins.= Securing for exact adjustments 121
And double eyes fitting 121
Fixed 122
Working 122
=Bolts=, removing corroded 122
=Nuts=, removing corroded 122
=Washers=, standard sizes of 122
=Wrench=, the proper angles of 123
Box 124
Monkey 125
Adjustable, various forms of 125
Sockets 125
Novel for carriage bolts 125
Pin 126
Improved form of 126
=Keys=, the various kinds of 126
The bearing surfaces of 126
=Set Screws=, application of, to hubs or bosses 127
=Keys=, with set-screws 127
The draught of 127
=Feathers=, and their applications 127
=Keys=, for parallel rods 128
=Taper Pins=, proper position of, for locking purposes 128
Improved method of fitting 128