Insize 3281-SPE4 55 Degree Whitworth Thread Micrometer Setting Standard Rod 4"

Features:

• Optional accessory for INSIZE 3281 series screw thread micrometers
• Used to set/verify the micrometer at 55° thread angle for the 4-5" range
• For use with screw thread micrometer 3281-5
• 60° setting standards are supplied as standard with the micrometer; this 55° standard is an optional accessory sold separately

For more information, please see Data Sheet