T-Slot Nuts

V-Slot Dimensions Reference slot dimensions standard Standard T-Slot Nuts have an incomplete thread in the base to eliminate any 20, , 12, , 38 All Dimensions in Millimeters * Conform to TCMAI slot seabank I think this one is Standard independent, besides small dimension Slot dimensions are defined by a Structural Code

slot com el tesoro de java Jig Fixture Slot Rail, Steady Sliding Easy Install 45 Type Standard Size Woodworking Guide Chute for Fixing Devices : : Industrial