Runout Test Mandrels for Inspection of Machines and Testing Fixtures | ULTRA Shop

Buy high-precision runout test mandrels and inspection mandrels between centers from ULTRA and ULTRA active for the exact control of machine spindles, tailstocks, and roller blocks online.

Runout test mandrels from ULTRA and ULTRA active serve as reliable instruments for the precise inspection, alignment, and acceptance of machine tool spindles and axis geometries directly on the shop floor or during machine maintenance. Through these ultra-fine ground and cylindrically lapped testing bodies, runout deviations, axial alignment errors, and geometric variances can be accurately detected within the micrometer range. Benefit from our differentiated brand selection: choose the ULTRA brand for the most demanding measuring tasks requiring the highest possible precision, or utilize our ULTRA active brand as an economical solution for budget-conscious procurement with traditionally reliable quality.

Runout Test Mandrels for All Common Spindle Systems

Our versatile B2B portfolio seamlessly covers all common tool holding interfaces in modern machining technology. We provide test mandrels with draw-off nuts for Morse tapers (MT 3 to MT 6) as well as highly accurate test mandrels according to DIN 229 without draw-in threads (MT 2 to MT 6) from the ULTRA active brand. For rotating spindle systems, we stock precisely aligned standards for steep taper spindles (ST 30 to ST 50), HSK spindles (HSK 32 to HSK 63), and BT spindles (BT 30 to BT 50). This range is complemented by universal test mandrels with lengths from 200 mm to 750 mm from the ULTRA active series for the targeted inspection of tailstocks and alignment blocks.

Test Mandrels for Machine Spindles with the Highest Possible Precision

A technological highlight for modern CNC machining centers is our complete system test mandrel sets in cases, including calibration certificates for SK, HSK, MAS-BT, and polygonal taper shanks (PSC according to ISO 26623-1). For three-dimensional position checking and precise measuring of swiveling heads on 5-axis machines, our specialized runout test mandrels with an integrated measuring ball in a protective wooden case are ideal. All inspection equipment guarantees seamless, traceable calibration through optional or standard-included calibration certificates.