What size radius should I make for the slot for an aluminum block

Slot nut ABAN-3-1 M3-4-M-P1 m3 slot As shown in the pictures, this washer can be used to bridge the slot on V-Slot or compatible extrusion to allow for the mounting of various components m303 slot Captive Screw, M3 X , Press-in, PhillipsSlot Combination, Knurled Bright Knob

m358 slot T-nut M3 for ALU 2020 V slot · Details · Files 2 · Makes & Comments 14 · Remixes 1 · Related models · Collections 72 · User print files 0