RT4

$29.99$35.99 (-17%)

In stock

  • Quickly and easily restores inch, metric, pipe, male and female threads
  • Great for home projects, industrial, automotive, farm & ranch, and technicians
  • 40mm dia. head x 8mm inside hole; Fits in a die grinder or standard drill (using RTM5 sold separately))
  • Used for reaching further down threaded rods; larger circumference provides longer tool life
  • This patented and award winning tool fixes inside or outside threads no matter the size, length, pitch or diameter
  • For bulk orders, please contact us
  • Product Specification Sheet
SKU: RT4 Category:

Frequently Bought Together

  • rt4

    RT4

    $29.99$35.99 (-17%)
  • RTM5

    $12.99$16.99
  • Total Price: $42.98


Universal Rotary Thread File

Rotary Thread Files fix inside or outside threads no matter the pitch or diameter*. Fixes UNC/UNF Threads, Metric, and Pipe. Metal, Hardened Metal, ceramic, and plastic.

Patented and Engineered in the USA. Developed by professionals in the industrial field. Tool is simple to use for home projects, but built for professional use. Thread repair doesn’t have to be confusing or complicated. Get rid of the frustration of carry hundreds of other tool and kits around project to project.

Rotary Thread Files work on one pitch crest/root at a time. Doesn’t matter the size, length, pitch, internal, or external. It’s fast, efficient, simple, convenient.

For best performance and life, we recommend using a light cutting/tapping oil or the like. Applying Non-flammable paint thinner helps clean the tool during and after restore. Use light tool pressure when using the tool, don’t force the repair.

Product Operating Specs

  • Use in Die Grinder and Standard Drill
  • Always chuck tool up to the shank shoulder
  • Max RPM: 15,000
  • Product Size: 3/4 inch diameter x 2 inch long x 1/4 inch shank size.
  • Recommend: Safety Shield, Minimum PPE: Safety Glasses.

Highlights of Tool

  1. Quickly and Easily Restores Inch, Metric, Pipe, Male and Female Threads
  2. Engineered and Patented in the USA – US 10,183,372,B2 • Global Patents Pending
  3. Great for Home Projects, Industrial, Automotive, Farm and Ranch, and Technicians
  4. Reaches into hard to reach areas with minimal operation space required.
  5. Use on metals, hardened metals, ceramics, glass, plastics

Additional information

Weight 0.5 lbs
Dimensions 7.63 × 3.69 × 0.75 in
Average Rating

5.00

02
( 2 Reviews )
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Only logged in customers who have purchased this product may leave a review.

2 Reviews For This Product

  1. 02

    by Patrick

    I used this to grind the threads on a bolt that was damaged on my fwd drive shaft. Attached this to my rotary tool that I also purchased from Amazon and this did the trick. Just make sure to use cutting oil and keep it lubed while in use.

  2. 02

    by Travis C.

    Don’t mistake this for the B218, I was looking for the buttress thread version. I have not tried it out.I have used it now a couple times, it works, but I find it is more controlable at at drill speeds than die grinder speeds.

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