JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M20 x 0.5 Widin New Helix Angle: 55° for efficient

Helix Angle: 55° for efficient chip evacuation and reduced cutting forces

This intermediate-precision taper shank reamer is designed for finishing holes to a precise size in metalworking setups and is supplied by Toolex Ltd

86mm is a precision tool designed for accurate hole finishing in metalworking

and hobbyists who require dependable precision without guesswork

repeatable hole diameters and easy integration with standard fixtures and tooling

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M20 x 0.5 Widin New Helix Angle: 55° for efficientThe JBO Thread Ring Gauge (NoGo) is a precision external thread checking tool sized for metric fine threads, specifically M20 x 0. 5, with 6g tolerance and right hand engagement. It helps inspectors, machinists, and quality teams quickly verify that threaded components meet exact size requirements. This hardened steel NoGo gauge delivers durable, repeatable performance in busy workshops, resisting wear and reducing rework by clearly flagging non