125mm Setting Ring Form C Hardened Gauge Steel, DIN 2250 / DIN 286 JS3 - Metav IndustryLine

Take advantage of a 125 mm Form C setting ring that pairs hardened, lapped gauge steel with conformity to DIN 2250 / DIN 286 (JS 3) for reliable, repeatable setups in inspection and toolmaking; order directly via Metav Werkzeuge or consult our technical advisers for application-specific guidance.

Setting ring 125 mm (DIN 2250) — setting gauge, hardened gauge steel, Form C — Metav IndustryLine

The Setting ring 125 mm (DIN 2250) is a precision ring gauge designed for ring setting and inspection tasks in production control, toolmaking and measurement labs where repeatable bore references are required.

• Hardened gauge steel, lapped finish
• Conforms to DIN 2250 and DIN 286 JS 3
• Form C geometry for standard bore fits

Repeatable setups through standardised accuracy

Manufactured to DIN 2250 and DIN 286 with tolerance class JS 3, this ring provides a defined reference that reduces uncertainty during setup. The standard conformity means the ring functions as a reliable datum for calibrating or setting bore gauges and for verifying mating parts; where a clear reference is required, the regulated tolerance class helps shorten setup cycles and decrease rework. The 125 mm nominal diameter is a common workshop size that balances accessibility and stiffness for many inspection routines.

Robust material and finished measuring surface for longevity

Work-hardened gauge steel with a lapped measuring surface offers enhanced wear resistance and a stable contact for inspection tools. The lapping process produces a flat, mirror-like surface that maintains consistent contact geometry and reduces measurement scatter caused by micro-asperities. This durability translates directly into lower life-cycle costs: fewer replacements, less drift in reference measurements and sustained repeatability over prolonged use in busy shop floors.

Designed geometry for practical inspection and tool setting

The Form C profile provides a standard contact form suitable for a wide range of bore fits and assembly checks, making the component appropriate for both bench inspection and workshop tool setting. The ring serves as a fixed-size reference when adjusting internal gauges or verifying bore dimensions on assemblies; by anchoring measurement processes to a certified geometry, production sequences become more predictable and quality control steps faster to execute. The product SKU M313.125 identifies this particular configuration for procurement and inventory purposes.

Care and handling to preserve precision

To maintain the ring’s accuracy, handle with care, avoid impacts and keep the measuring surface free of contamination and corrosion. Store the ring in a dry, cushioned environment and establish routine visual checks to spot early signs of wear. Regular cleaning with suitable, non-abrasive agents and controlled storage will preserve the lapped surface and ensure the component continues to deliver stable reference values for inspection, assembly and machine setup tasks.

For procurement or advice on integrating the Metav IndustryLine setting ring into existing inspection routines, contact Metav Werkzeuge to discuss specifications, delivery options and matching measuring equipment.

Technical data

• Article number: M313.125
• Label: Setting ring 125 mm, DIN 2250, hardened gauge steel
• GTIN: 4054469121093
• Material: hardened and lapped gauge steel
• Standards: DIN 2250; DIN 286; tolerance JS 3

Facts

• Diameter: 125 mm
• Weight: 4 kg
• ECLASS: 21170104
• Tariff number: 90173000

Special features

• Form C geometry
• Lapped measuring surface
• Hardened gauge steel
• Suitable for setting and inspection tasks
• Category: Lehren / Messstifte

FAQ

What is this ring used for?
The Setting ring 125 mm (M313.125) is a precision ring gauge used as a reference for setting and checking bore gauges and for inspection and toolmaking tasks where a repeatable internal diameter reference is required.

Which standards and tolerance apply to the ring?
This gauge is manufactured to DIN 2250 and DIN 286 with a tolerance class of JS 3, providing a defined tolerance suitable for many workshop and inspection applications.

What material and finish does the ring have?
The ring is made from hardened gauge steel with a lapped measuring surface, which combines wear resistance with a stable contact face for consistent readings.

Is the geometry suitable for general workshop applications?
Yes; the Form C geometry and the robust finish make this ring appropriate for both workshop tool setting and laboratory inspection where durable, repeatable references are required.

How should the setting ring be stored and maintained?
Keep the Setting ring 125 mm (M313.125) clean and protected from impacts, store it in a dry, cushioned place and inspect the measuring face periodically to preserve accuracy.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com