Screw Pitch Gage with 30 Blades
Details
- 30 blades, 4 to 42 pitch standard V thread
- Narrow designed blades permit use for internal and external screw threads
- Locking device at each end to secure all blades for storage or position
- Correct pitch is determined by matching blade teeth with threads
- Precisely ground and finished
- Blades marked with thread size