Catalog Number - 83501-80

The 83501‑80 Flare Nut Wrench (6 mm × 8 mm) is a precision tool specifically selected for use with metric‑based HPLC fittings, injector valves, and column hardware. Its flare‑nut design provides enhanced surface contact on fitting flats, allowing for secure tightening and loosening without damaging critical connection points.

This wrench is particularly useful for chromatography systems that include:

• Metric fittings and valves

• Injection valves (e.g., Rheodyne™, Valco™, or similar systems)

• Column hardware with metric flats

The optimized shaft length provides the correct balance between leverage and control, enabling users to:

• Apply sufficient torque for tight, leak‑free connections

• Avoid over‑tightening and damage to fittings or threads

• Maintain consistent and repeatable installation performance

Unlike standard open‑end wrenches, the flare nut design distributes force more evenly, helping reduce the risk of:

• Rounding off fitting flats

• Slippage during tightening

• Damage to high‑value instrument components

Why Use a Flare Nut Wrench for HPLC Systems?

Standard open‑end wrenches can:

• Provide limited surface contact on fittings

• Increase risk of slipping or rounding

• Apply uneven force to precision components

The 83501‑80 flare nut wrench:

• Provides greater contact area for improved grip

• Reduces stress on fittings

• Delivers controlled, even torque

• Improves reliability of chromatography connections

Key Features

Metric Dual‑Size Compatibility

• 6 mm and 8 mm flare nut sizes

• Designed for metric HPLC fittings and valves

• Eliminates need for multiple tools

Flare Nut Design for Secure Engagement

• Increased contact surface with fittings

• Reduces risk of slippage and rounding

• Protects critical connection points

Optimized Length for Controlled Torque

• Provides sufficient leverage without excessive force

• Helps prevent over‑tightening

• Ideal for precision chromatography systems

Designed for HPLC Applications

• Suitable for injector valves and instrument plumbing

• Supports installation and maintenance workflows

• Helps maintain leak‑free system performance

Typical Applications

• Adjusting HPLC injector valves with metric fittings

• Tightening metric tubing connections

• Working with column hardware featuring metric flats

• Routine chromatography system maintenance

• Instrument installation and servicing

Made‑to‑Order & Bulk Pricing Information

This is a custom, made‑to‑order item.

• Orders cannot be canceled once placed

• Custom items are non‑returnable

• Please contact Customer Service for formal quotation, lead time, and ordering assistance. Classification:

• This item is classified as a CUSTOM ITEM. View our Custom Item policy.