Dormer Pramet A777 7.00 mm HSS-E STRAIGHT SHANK JOBBER DRILL DIN 338 Step Drill The JBO Thread Ring Gauge

The JBO Thread Ring Gauge (NoGo) for metric fine threads is a precision inspection tool designed to verify external thread diameters on threaded components and fasteners

Crafted from HSS-E and finished with a durable titanium coating

The ball nose geometry supports accurate curved surfaces and fine detailing

backed by a left-hand spiral flute and right-hand cutting for predictable cutting action

Dormer Pramet A777 7.00 mm HSS-E STRAIGHT SHANK JOBBER DRILL DIN 338 Step Drill The JBO Thread Ring GaugeThe Dormer Pramet A777 7. 00 mm HSS E Straight Shank Jobber Drill (DIN 338) is built for precise, dependable hole making in a wide range of materials. Its straight shank and DIN 338 designation make it a versatile choice for machine shops, fabrication benches, and DIY setups that demand consistent results. Designed for engineers, builders, hobbyists, and fabricators, this drill delivers accurate starts, clean holes, and reliable performanceeven when