Precision Threading Limit Plug (Tol. 6H) - M 25 x 1.0 by VLKEL

A Gewinde-Grenzlehrdorn is a combination of a Gutlehrdorn and an Ausschusslehrdorn. The Ausschuss side is marked with a red ring. The Gut side should screw into the cut thread of a workpiece by hand without extra force. If it doesn't, the thread doesn't meet the desired standards (Ausschuss). The Ausschuss side should only screw in up to two turns by hand. If it goes further, the thread doesn't meet the desired standards. The reference temperature for the workpieces and gauges is 20°C. VÖLKEL can provide a Werkskalibrierschein upon request. The calibration is done in an independent lab following DIN, ISO, ANSI standards on IAC-Gewindescanner.

• Gewinde-Grenzlehrdorn: A Combination of Gut and Reject Lehrdorn
• Gut Side: Manually Screw into Cut Thread without Exertion
• Reject Side: Max Two Manual Turns in Cut Thread without Exertion
• Reference Temperature: 20°C for Workpieces and Gauges