SPI Tapped Hole Location Gages UNC Set

UNC Set of 12 Gages, 2 each of UNC gage sizes in fitted wooden case

• Hardened and precision ground.
• Shaft size 1/4" (6.35 mm) dia. x 3/8" (9.52 mm) long — held to same diameter on all gages to simplify calculation of hole spread.
• Shaft diameter accuracy .250" (6.35 mm) + .0002" (0.005 mm) - .0000" (0. mm).
• Right hand thread. — Left hand thread on request.
• Made in U.S.A.