I cannot find it now but I thought I read here in the Hyd. forum that the crimp spec. for hydraulic hose is +-10thou. I just crimped my first one:
Used a Weatherhead T450-1 crimper, 3/8 collet, homemade "black" press spacer
3/8 100R2AT hose (ref. Weatherhead 425). It crimped at .802" with my...