Professor Motor PMTR7017 #4-40 x 5/64″ HOLLOW Setscrews 10 pcs.
Professor Motor #4-40 Thread x 5/64″ (2mm) Length HOLLOW Setscrews – 0.050″ (1.27mm) Hex Drive – SUPER TOUGH Heat Treated Alloy Steel Material – Black Oxide Coating – 10 setscrews / package
Solves the issue that on some NSR cars that the standard setscrew rubs on the frame.
0.050″ Allen Wrench may be used in either end of this setscrew – the hex is broached all the way through
Direct replacement applications – NSR 1/32 Cars and JK / Parma / Slick 7 / Koford / Champion and all other brands of Commercial Slot Racing Products
Greatly reduces imbalance created with conventional setscrews as used in gears and wheels and substantially lighter overall