247E BALL ATTACHMENT FOR .300
STR51178
MFG #: 51178
$19.40
/ EA
- Country of Origin: US
- Manufacturer Name: L.S. Starrett
- Specifications: 0.2 in Ball Dia
- Suitable For Use With: 224B Through J, 238, 239, 436 Micrometer and 663 Micrometer Heads, 0.3 in Anvil and Spindle Dia
- Application
- Item Features
For measuring wall thickness of tubing, split and full bearings, sleeves and other parts with rounded surfaces
- Easily applied by snapping on to end of either anvil or spindle, thus permitting two attachments to be used together
- Balls are hardened and move freely in the retainer, insuring positive contact with anvil and spindle
- The diameters, 0.200 or 5mm, of each ball used must be subtracted from the micrometer reading