JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M50 x 1.5 A&NF HSS-E (M35 Cob) material for

HSS-E (M35 Cob) material for wear resistance: Cobalt-enhanced high-speed steel provides improved hardness and extended life

Designed as a No-Go gauge for metric fine threads

HSS‑E cobalt alloy with tight tolerance: Combines elevated wear resistance and heat tolerance with precise diameter control (D = 0 + 0

protecting your uptime and reducing replacement costs

Shank: Straight shank compatible with standard hand reamer setups

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M50 x 1.5 A&NF HSS-E (M35 Cob) material forThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M50 x 1. 5 is a precision tool designed to verify external thread diameters with confidence. Its ideal for engineers, buyers, tradespeople, hobbyists, and non technical users who need reliable thread checks quickly and consistently. Crafted from hardened steel, this gauge delivers durability and wear resistance for long lasting performance in busy workshops and production lines. Its meticulous