Hi-Shear Inst. & Removal l Gages l Grip Scale 2-612
 |
1/6” Increments to 3” To save shop time for riveters and inspectors, Grip Scales measure the grip length of countersunk and flathead Hi--Shear pins and work thickness or rivet hole depths in increments corresponding to the Hi-Shear dash number system of pin grip lengths. The Scale is 0.020 spring temper stainless steel and 3/4” x 6-1/4” in size. The finish is satin with red and black lettering. |
|||
|
| To measure hole depth, hook on bottom of hole. Read highest number even with structure on other end. |
 |
||
| Reading a -7 straight hole (7/16”) | |||
 |
|||
| To measure fastener grip length, place fastener against gage as shown. Read highest number opposite last point of full shank diameter. | |||
| Measuring a -6 grip length countersunk head pin. | |||
 |
|||
| Measuring a -7 grip length protruding head pin. | |||