The JBO Thread Ring Gauge (GO) - UNC - Left Hand - 2A - 1 1/8 x 7 is a precision Go gauge designed to verify external UNC threads
it is built to withstand daily use in busy workshop and production settings while preserving measurement reliability
The design uses non-overlapping longitudinal slots at the center to prevent coolant loss
DIN 8093 / ISO H4 tolerance: Delivers precise hole sizing and reliable interchangeability with other high-precision components and fixtures
The reamer is well-suited for finishing operations in steel and other alloys
Europa Tools Stub Drill - HPD-SUS HSS TiN Coated - 4.9mm Face Mill Arbors The JBO Thread Ring GaugeThe Europa Tools Stub Drill HPD SUS HSS TiN Coated in 4. 9 mm diameter is a versatile drilling solution designed for stainless steels, mild steels, aluminum, copper, and plastics. Built for engineers, buyers, tradespeople, hobbyists, and serious DIYers, it delivers fast, reliable cutting with clean, repeatable holes across a wide range of materials. High vanadium HSS EX with TiN coating: Delivers higher speed and feed, longer tool life, and a superior