These accessories and tools are all interchangeable. 10-24 Mandrel 2 sets Add to Cart 15 sizes 16 inches tool Add to Cart 9 long mandrel rgun set Add to Cart 1/4-20 Mandrel 2 set Add to Cart 3/8-16 Mandrel 2 set Add to Cart M6 Mandrel 2 sets Add to Cart 5/16-18 Add to Cart Customer Reviews 4.7 out of 5 stars 88 4.8 out of 5 stars 28 3.9 out of 5 stars 10 4.6 out of 5 stars 51 5.0 out of 5 stars 10 4.3 out of 5 stars 13 4.4 out of 5 stars 7 Price $12.99$12.99 $89.99$89.99 $79.99$79.99 $12.99$12.99 $12.99$12.99 $12.99$12.99 $12.99$12.99 Pre bulbed rivet nut setting ✘ ✘ ✔ ✘ ✘ ✘ ✘ Stroke gauge ✔ ✔ ✔ ✘ ✘ ✘ ✘ 35CrMo material mandrel ✔ ✔ ✔ ✔ ✔ ✔ ✔ Susceptibility star rating 2 star — — 3 star 5 star 3 star 5 star Box packing ✔ ✔ ✔ ✔ ✔ ✔ ✔ Hand rivet nut tool tips Choose the right size rivnut Measure the thickness of the sheet metal and choose a rivet nut with an appropriate grip range. Drill the right size hole Holes must be circular; irregular or improperly sized holes will affect the stability of rivet nut installation. Set right stroke Adjust the stroke of the tool to prevent overloading and causing damage to the mandrel and rivet nut. Mandrels are wearing parts Mandrels are wearing parts, with smaller sizes being more susceptible to damage. Additionally, please use the tool correctly to avoid overloading.