JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 3/8 x 16 Milling Cutter Arbors Compact mini BT30 design: Reduces

Compact mini BT30 design: Reduces overhang and improves balance for rigidity and consistent cutting accuracy in tight or high-speed machining environments

which translates to better part finishes and reduced secondary processing

Left-hand spiral flute + right-hand cutting: Provides controlled cutting action and efficient chip evacuation for smoother hole finishes and reduced workpiece lift

The M2 HSS composition offers durable wear resistance

extending tool life and maintaining a smoother cutting experience

JBO Thread Plug Gauge - UNC Go-No/Go - Left Hand - 2B - 3/8 x 16 Milling Cutter Arbors Compact mini BT30 design: ReducesThe JBO Thread Plug Gauge is a precision inspection tool designed for verifying UNC left hand thread holes. Use it to quickly check 3 8 x 16 threaded holes in manufacturing, automotive, and aerospace applications, ensuring parts meet documented thread standards. Its go no go design provides immediate feedback, helping technicians confirm proper fitment and reduce rework on the shop floor. Go No Go quick check for UNC left hand threads: Two ends enable