A2 and D1 Flanged Lathe Spindle Runout Test Bars

Test arbor for mounting to turning-center and measuring run-out. Designed for A2-5, A2-6, D1-8 etc. lathe face mounting. Also available for flat 110 and 140 lathe face.

Extended drawbar clearance versions have additional depth at the taper needed for drawbar clearance on certain lathes.

Lathe Face Arbor Cases

Lathe Spindle Face Ring

Series 492.026 ring gauges are for lathe spindle face.

Ring only: order plug gauge separately (see series 492.028 or 492.228)

Runout Arbor Upright Storage Cases

Our most popular case, the upright storage case protects a runout arbor from dirt and damage. The arbor rests vertically in the case, suspended from the flange. Upright storage of runout arbors is recommended
-- the upright case has foam guides that allow horizontal use if preferred. Case is available in tall and short configurations depending on arbor length. Case is made of 9 ply Baltic Birch.

Heavy-Duty Runout Arbor Travel Cases

The runout arbor travel case is designed for portability while protecting arbors. The case holds two arbors, with additional space for extra retention knobs, indicator, and a magnetic base. The case is virtually indestructible and waterproof. Can be used with padlocks for added security.

Carrying Cases for Steep Taper Dual Contact Arbors

TAC Rockford runout arbor cases are specifically designed to protect your precision spindle runout test arbors. These cases feature high-density, custom-cut foam interiors that secure the arbors. They ensure your critical measurement tools are shielded from dirt, damage, and impact, maintaining their accuracy and readiness for preventative maintenance.

Steep Taper Dual Contact Runout Test Arbors

Compatible with Big-Plus® steep taper spindles.

Custom Case Services

TAC Rockford can custom manufacture a gauge case to your exact requirements. Let us know what gauges you want to include in the case, and how you plan to use the case. Customized cases are available in heavy duty plastic, standard duty plastic, and Baltic Birch plywood. Foam is milled for for exact fit and optimal protection of gauges.

PSC / PSK Spindle Runout Test Arbors

Made to the ISO 26623 Standard. Maximum runout error 0.003mm / 3 micron / 0.00012”. A certificate of accuracy is included. Storage are cases not included.

Steep Taper Spindle Runout Test Arbors

-Maximum runout error 0.003mm / 3 micron / 0.00012 inch
-Cylindricity ≤ 0.002mm / 2 micron / 0.00008 inch
-Carrying cases are not included (see below for case options).
-A certificate of accuracy is included. Traceable certificates available; contact us for details.
-Contact us for other lengths, tapers, and other special requirements.