Carmex Mill Thread Solid Carbide 12 UN with internal coolant bore 26.5mm depth Insize Thread GO Ring Gauge 1/4"-20 UNC Series 4121-1B1 The display flips over when

The display flips over when the bottom faces up

0005" graduation

Optional accessory: contact points (page 98~100)

Shank Diameter (d1): 10 mm

Made of stainless steel

Carmex Mill Thread Solid Carbide 12 UN with internal coolant bore 26.5mm depth Insize Thread GO Ring Gauge 1/4"-20 UNC Series 4121-1B1 The display flips over whenMill Thread Solid Carbide Internal Coolant Threadmill, 12 UN The Mill Thread Solid Carbide (MTB) is a high performance threadmill designed for general purpose threading across a wide range of materials. This version features an internal coolant bore, allowing for improved chip evacuation and thermal controlideal for threading in deeper blind holes or heat sensitive materials. Made with premium MT7 grade solid carbide and engineered with multi flute