Del City has insulated ones. I have crimped them with a normal crimper.

https://www.delcity.net/store/Clear-Nylon!Insulated,-Flag-Terminals/p_805402.h_193655


Mike
1955 Chevy 6400 ex-flatbed (no bed now!) sold September 2023
In the Stovebolt Gallery
1958 Chevy 6400 flatbed W/dump
In the Stovebolt Gallery
1959 Chevy Suburban Owned for almost 20 years, Daily Driver -- sold May 2016
In the Stovebolt Gallery

Sufficient unto the day is the evil thereof