TIME-SERT 4900 M12x1.75 Head Bolt Hole Thread Repair Kit

Includes Free Shipping. Time-Sert 4900 universal thread insert repair kit used to install solid steel thread inserts for 12.0 x 1.75 applications.

Note that this kit uses 12179 inserts which 10 are included. They are for first time repairs (holes that have not been repaired previously). If doing a 2nd time repair use the Time Sert 4900BS. Since this is a universal kit, the instructions must be followed because of several applications are covered. Marking the depth on the drill tap and driver is very important. The drill bit (Core Drill) is approximately 7" long which allows use on recessed holes.

Time Sert 4900 Kit Includes

Drill Fixture 56111

Drill Bushing 4904

Alignment Pin 4905

Core Drill 4901

Tap 4902

Insert Driver 4903

Bolts Short (2) 4906

Bolts Medium (2) 4907

Bolts Long (2) 4908

Ink Marker 7586

Metal Rule 7587

Inserts (10) 12179

Loctite 6020

Driver Oil 6010

Case

Laminated Instructions 

 See the pdf instructions for details.- Also see the YouTube video linked above for more tips for a proper repair.

Do you need more information on TIME-SERT thread repair kits? You can use our thread repair kit application tool to look up kits for certain vehicles or check out our automotive tool blog for tips, advice and answers to common thread repair questions. If you would like personal assistance, fill out our contact form and we will respond quickly. Or, you can call us at 800-734-8665.

For more info on Time Sert thread repair kits and inserts, you can refer to their TIME-SERT products pdf, which provides SAE and Metric kit info and a partial application list for various cars, trucks and motorcycles. There may be a few things we don't list on our site that we can ship directly from the manufacturer. If you need help finding the right kit for your project, please get in touch with us. It's worth noting that TIME-SERT is highly recommended by leading car manufacturers such as Toyota, General Motors Corporation, and Honda. We are an authorized stocking TIME-SERT distributor and look forward to doing business with you.