Mastercool 70051 45° Flaring Tool Imperial Standard

Mastercool 70051 — 45° Imperial Flaring Tool

The Mastercool 70051 is a professional-grade 45° flaring tool designed for copper tube and pipe work in HVAC/R applications. Built to imperial standard, it produces clean, leak-free flares on soft copper tubing — essential for reliable refrigerant line connections.

Key Features

• 45° flare angle — meets imperial standard for HVAC/R refrigerant pipework
• Multi-size clamp bar — accommodates tube sizes: 3/16", 1/4", 5/16", 3/8", 1/2", 5/8"
• Heavy-duty die-cast body — chrome-plated for corrosion resistance and long service life
• Yoke-style flaring cone — smooth, consistent pressure for uniform flares every time
• Wing nut clamp — quick, secure tube clamping without slippage
• Compact and portable — ideal for on-site HVAC installation and service work

Specifications

• Model: 70051
• Flare Angle: 45°
• Standard: Imperial (SAE)
• Tube Sizes: 3/16" – 5/8" OD
• Material: Die-cast zinc alloy, chrome-plated
• Brand: Mastercool (USA)

Ideal For

HVAC engineers, refrigeration engineers, and plumbers working with copper refrigerant lines, air conditioning systems, and heat pump installations requiring SAE 45° flared connections.

You May Also Need

• ACR Refrigeration Grade Copper Tube – Straight Lengths & Coils — the correct tube to flare with this tool
• Flare Nut Kit — SAE brass flare nuts to complete your connections