MateAuto axle spindle rethreading tool kit 10-piece — Metric & UNF chasers with 27mm extension, durable 40Cr steel case

This professional-grade thread rethreader kit replaces corroded, cross-threaded or worn threads on common axle and wheel stud sizes so you can reuse existing hardware or fit new nuts without chasing down rare replacements. The set combines metric and standard sizes, a 27mm extension bar, and a durable storage case made for shop and roadside repairs. Built from 40Cr steel with a galvanized and phosphated black finish, the tools resist rust and provide smoother engagement when reshaping threads.

Which thread sizes are included and will they fit my vehicle?

The kit covers many frequent axle and wheel-stud threads but not every possible size. Included are metric M20–M24 sizes and two common UNF sizes used on heavier vehicles, plus an extension for deeper shafts. Always confirm the thread pitch and diameter on your vehicle before ordering to ensure compatibility.

• Metric sizes: M20 x 1.25, M20 x 1.50, M22 x 1.00, M22 x 1.50, M24 x 1.50, M24 x 2.00
• Standard sizes: 3/4" x 20 UNF and 13/16" x 20 UNF
• Includes one 27mm extension bar for recessed threads
• Check axle bolt or nut markings or measure with calipers to confirm fit

How does the rethreading process work and how easy is it for DIYers?

Each chaser reshapes damaged threads by removing corrosion and realigning the profile rather than cutting away large amounts of material. For best results, clean the part of debris, secure the component, start the chaser straight, and turn evenly. The tools are straightforward to use with basic hand tools and require no power source.

• Clean threads first with brush or solvent to remove rust and grit
• Insert the correct-size chaser and turn slowly, backing off occasionally
• Use the extension bar for threads set deep in hubs or shafts
• Inspect finish with nut install test to confirm proper engagement

What materials and finish does the kit use, and why does that matter?

Tools are manufactured from 40Cr alloy steel and receive a galvanizing plus phosphated blackened finish to boost corrosion resistance and reduce friction during use. That combination helps the chasers survive workshop environments and keeps teeth from dulling quickly when used on rusty parts. The finish also eases cleaning and prolongs service life.

• 40Cr steel core for toughness and wear resistance
• Galvanized and phosphated finish prevents rust and reduces galling
• Durable case protects tools and keeps sizes organized
• Designed for repeated professional or home-garage use

Who is this for? This MateAuto rethreading set is aimed at mechanics, fleet technicians, restoration hobbyists and DIY vehicle owners who encounter damaged axle or wheel-stud threads and want a practical, reusable repair option. It’s ideal when replacement studs or specialty parts are hard to source or when you prefer to restore the original hardware. Note: verify thread size compatibility for your application before purchase.