JBO Thread Ring Gauge (Go/NoGo) - NPTF - Right Hand - 1 1/2 x 11.5 Power Milling Chucks It fits ER40 tool holders

It fits ER40 tool holders and standard ER40 collet nuts

Omega's BT40 Face Mill Arbor with Through Coolant securely holds face milling cutters in BT40 spindle machines while delivering coolant directly to the cutting edge

6 mm length-of-cut end mill features a 4-flute stub-cut geometry

it adheres to DIN 212-B standards and ISO H5 tolerance for consistent bore dimensions

while the left-hand flute works alongside the right-hand cutting action to provide controlled material removal

JBO Thread Ring Gauge (Go/NoGo) - NPTF - Right Hand - 1 1/2 x 11.5 Power Milling Chucks It fits ER40 tool holdersThe JBO Thread Ring Gauge (Go NoGo) for NPTF is a precision inspection tool crafted to verify National Pipe Taper Fuel thread accuracy. Built for right hand NPTF threads, its go no go design lets you rapidly determine whether a fitting meets the standard, enabling fast, reliable pass fail decisions on every part. Sized for 1 1 2 x 11. 5 and suitable for automotive, hydraulic, and fluid power workflows, this gauge supports quick setup, consistent