About This

• Outside micrometer with 60-degree point measures hard-to-reach areas including thread accuracy in screw-cutting operations, small flutes, recesses, grooved trolley wires, and keyways
• Digit display has 0.001" graduation intervals and Vernier scale has 0.0001" graduation intervals and an overall accuracy of 0.00016" for precise readings
• Conical anvil and spindle have a hardened and precision-ground micro-lapped finish with a 0.012" radius curvature at the extremity and a 0.21" length
• Hardened, ground and lapped spindle thread provides smooth movement, accuracy, and long life
• Ratchet stop applies constant force for repeatability between users